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Large capacity generators are invariably?
asked
Mar 20, 2018
by
anonymous
large
capacity
generators
invariably
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Mar 20, 2018
by
anonymous
Large capacity generators are invariably
hydrogen cooled.
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Mar 20, 2018
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anonymous
_______ is invariably used as base load plant.
Last answer:
Nuclear power plant is invariably used as base load plant.
invariably
used
base
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plant
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Mar 20, 2018
by
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Generators for peak load plants are usually designed for maximum efficiency at?
Last answer:
Generators for peak load plants are usually designed for maximum efficiency at 50 to 75 percent full load.
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peak
load
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86
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Mar 20, 2018
by
anonymous
In a power plant if the maximum demand on the plant is equal to the plant capacity, then?
Last answer:
In a power plant if the maximum demand on the plant is equal to the plant capacity, then plant reserve capacity will be zero.
power
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maximum
demand
capacity
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101
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1
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asked
Mar 20, 2018
by
anonymous
Generating capacity connected to the bus bars and ready to take load when switched on is known as ?
Last answer:
Generating capacity connected to the bus bars and ready to take load when switched on is known as spinning reserve.
generating
capacity
bus
bars
load
switched
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109
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1
answer
asked
Mar 20, 2018
by
anonymous
For high value of diversity factor, a power station of given installed capacity will be in a position to supply?
Last answer:
For high value of diversity factor, a power station of given installed capacity will be in a position to supply more number of consumers.
high
value
diversity
factor
power
station
installed
capacity
position
supply
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96
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1
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asked
Mar 20, 2018
by
anonymous
Power plant having maximum demand more than the installed rated capacity will have utilisation factor?
Last answer:
Power plant having maximum demand more than the installed rated capacity will have utilisation factor more than unity.
power
plant
maximum
demand
installed
rated
capacity
utilisation
factor
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68
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1
answer
asked
Apr 29, 2018
by
anonymous
A large AC generator, supplying power to an infinite bus, has a sudden short-circuit occurring at its terminals
A large AC generator, supplying power to an infinite bus, has a sudden short-circuit occurring at its terminals. Assuming the prime mover input and the voltage behind the transient reactance to remain constant immediately after the fault, acceleration of the generator rotor is
Last answer:
A large AC generator, supplying power to an infinite bus, has a sudden short-circuit occurring at its terminals. Assuming the prime mover input and the voltage behind the transient reactance ... , acceleration of the generator rotor is inversely proportional to the moment of inertia of the machine
large
ac
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1
answer
asked
Mar 21, 2018
by
anonymous
A sensitive galvanometer produces large deflection for a?
Last answer:
A sensitive galvanometer produces large deflection for a small value of current.
sensitive
galvanometer
large
deflection
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1
answer
asked
Mar 20, 2018
by
anonymous
Interruption of large currents by relay requires?
Last answer:
Interruption of large currents by relay requires arc suppressing blow out coils, wide separation of the opened contacts, high speed opening of contacts.
interruption
large
currents
relay
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1
answer
asked
Jun 18, 2018
by
anonymous
As per Shannon’s channel capacity theorem, if samples are transmitted in ‘T’ seconds over a noisy channel
As per Shannon’s channel capacity theorem, if samples are transmitted in ‘T’ seconds over a noisy channel which is bandlimited to ‘B’ Hz. The number of samples ‘n’ is given by (symbols/notations carry their usual meaning) A) B/T B) T/B C) 2BT D) BT/2
Last answer:
As per Shannon’s channel capacity theorem, if samples are transmitted in ‘T’ seconds over a noisy channel which is bandlimited to ‘B’ Hz. The number of samples ‘n’ is given by ( ... /notations carry their usual meaning) A) B/T B) T/B C) 2BT D) BT/2
shannons
channel
capacity
theorem
transmitted
noisy
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1
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asked
Aug 19, 2019
by
anonymous
Why are generators rated in kVA not in kW ?
Why are generators rated in kVA not in kW ?
Last answer:
Because It's rating of generator kva is apparent power. Kw is active power which we use. And one is kvar reactive power.
generators
kva
kw
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3
answers
asked
May 3, 2018
by
anonymous
Two synchronous generators G1, G2 are operating in parallel and are equally sharing KVAR (Lag) component
Two synchronous generators G1, G2 are operating in parallel and are equally sharing KVAR (Lag) component of load. To shift part of KVAR from G2 to G1, while keeping terminal voltage fixed, the following action must be done
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Two synchronous generators G1, G2 are operating in parallel and are equally sharing KVAR (Lag) component of load. To shift part of KVAR from G2 to G1, while keeping terminal voltage fixed, the following action must be done Raise If1 and lower If2
synchronous
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1
answer
asked
Mar 21, 2018
by
anonymous
When two D.C. series generators are running in parallel, an equilizer bar is used?
Last answer:
If equalising bar is connected to the 2 DC generators the current will be equal in 2 generators irrespective of parallel connection so that we connect equaliser bar
series
generators
dc
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2
answers
asked
Mar 20, 2018
by
anonymous
Compensating windings are used in D.C. generators?
Last answer:
Compensating windings are used in D.C. generators to neutralise the cross-magnetising effect of the armature reaction.
compensating
windings
generators
dc
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1
answer
asked
Mar 20, 2018
by
anonymous
D.C. generators are connected to the busbars or disconnected from them only under the floating condition?
Last answer:
D.C. generators are connected to the busbars or disconnected from them only under the floating condition to avoid sudden loading of the primemover, to avoid mechanicaljerk to the shaft, to avoid burning of switch contacts.
dc
generators
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1
answer
asked
Mar 20, 2018
by
anonymous
In D.C. generators the pole shoes are fastened to the pole core by?
Last answer:
In D.C. generators the pole shoes are fastened to the pole core by counter sunk screws.
dc
generators
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1
answer
asked
Mar 20, 2018
by
anonymous
D.C. generators are installed near the load centres to reduce?
Last answer:
D.C. generators are installed near the load centres to reduce line losses.
dc
generators
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1
answer
asked
Mar 20, 2018
by
anonymous
D.C. generators are normally designed for maximum efficiency around?
Last answer:
D.C. generators are normally designed for maximum efficiency around full-load.
dc
generators
normally
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69
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1
answer
asked
Mar 3, 2018
by
anonymous
In DC generators lamination core are generally made of?
In DC generators lamination core are generally made of?
Last answer:
In DC generators lamination core are generally made of silicon steel.
dc
generators
lamination
core
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130
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1
answer
asked
Jun 18, 2018
by
anonymous
What is the channel capacity of a noisy channel with conditional probability of error p = 1/2?
What is the channel capacity of a noisy channel with conditional probability of error p = 1/2? A) 0 B) 1 C) Infinity D) 2
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What is the channel capacity of a noisy channel with conditional probability of error p = 1/2? A) 0 B) 1 C) Infinity D) 2
channel
capacity
noisy
conditional
probability
error
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88
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1
answer
asked
Apr 30, 2018
by
anonymous
Breaking capacity of a circuit breaker is usually expressed in terms of
Breaking capacity of a circuit breaker is usually expressed in terms of (1) Ampere (2) Volts (3) MW (4) MVA
Last answer:
Breaking capacity of a circuit breaker is usually expressed in terms of MVA
breaking
capacity
circuit
breaker
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146
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1
answer
asked
Apr 29, 2018
by
anonymous
Power station having Load factor = 70%, capacity factor = 50%, used factor = 60%, maximum demand = 20MW
Power station having Load factor = 70%, capacity factor = 50%, used factor = 60%, maximum demand = 20MW then annual energy production is (1) 122.8 GWh (2) 198.55 GWh (3) 128.2 GWh (4) 188.82 GWh
Last answer:
Power station having Load factor = 70%, capacity factor = 50%, used factor = 60%, maximum demand = 20MW then annual energy production is 122.8 GWh
power
station
load
factor
capacity
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1
answer
asked
Mar 22, 2018
by
anonymous
Overload capacity of diesel engines is usually restricted to?
Last answer:
Overload capacity of diesel engines is usually restricted to 2 percent.
overload
capacity
diesel
engines
usually
restricted
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103
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1
answer
asked
Apr 30, 2018
by
anonymous
Identify the increasing order of voltage regulation of the following dc generators a same load :
Identify the increasing order of voltage regulation of the following dc generators a same load : (A) differential compound, shunt and under compound (B) shunt, differential compound and under compound (C) under compound, shunt and differential compound (D) shunt, under compound and differential compound
Last answer:
Identify the increasing order of voltage regulation of the following dc generators a same load : under compound, shunt and differential compound
voltage
regulation
dc
generators
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83
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1
answer
asked
Apr 28, 2018
by
anonymous
Two synchronous generators operating in parallel supply a common load of 2.5 MW. The frequency-power
Two synchronous generators operating in parallel supply a common load of 2.5 MW. The frequency-power characteristics have a common slope of 1 MW/Hz and the no-load frequencies of the generators are 51.5 Hz and 51.0 Hz, respectively. Then the system frequency is (A) 50 Hz (B) 51 Hz (C) 51.25 Hz (D) 51.5 Hz
Last answer:
Two synchronous generators operating in parallel supply a common load of 2.5 MW. The frequency-power characteristics have a common slope of 1 MW/Hz and the no-load frequencies of the generators are 51.5 Hz and 51.0 Hz, respectively. Then the system frequency is 50 Hz
synchronous
generators
operating
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82
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1
answer
asked
Mar 20, 2018
by
anonymous
In D.C. generators the polarity of the interpoles?
Last answer:
In D.C. generators the polarity of the interpoles is the same as that of the main pole ahead.
dc
generators
polarity
interpoles
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77
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1
answer
asked
Mar 20, 2018
by
anonymous
For the parallel operation of two or more D.C. compound generators, we should ensure that?
Last answer:
For the parallel operation of two or more D.C. compound generators, we should ensure that series fields of all generators should be either on positive side or negative side of the armature.
parallel
operation
dc
compound
generators
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127
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1
answer
asked
Mar 20, 2018
by
anonymous
In D.C. generators, the brushes on commutator remain in contact with conductors which?
Last answer:
In D.C. generators, the brushes on commutator remain in contact with conductors which lie under interpolar region.
dc
generators
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159
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1
answer
asked
Mar 20, 2018
by
anonymous
In D.C. generators, current to the external circuit from armature is given through?
Last answer:
In D.C. generators, current to the external circuit from armature is given through commutator commutator.
dc
generators
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104
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1
answer
asked
Apr 10, 2018
by
anonymous
In large capacity transformers, 5% of the turns at the end of hv winding are provided with extra insulation so...
In large capacity transformers, 5% of the turns at the end of hv winding are provided with extra insulation so as to provide protection (1) against corona (2) against lightning (3) due to surges occurring during switching operation (4) All of these
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91
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0
answers
asked
May 13, 2018
by
anonymous
Large size steam plants and nuclear plants are suitable for
Large size steam plants and nuclear plants are suitable for (a) Intermediate loads (b) Base loads (c) Both base and peak loads (d) Peak loads
Last answer:
Large size steam plants and nuclear plants are suitable for Base loads
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61
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1
answer
asked
Jan 7
by
anonymous
The following graph represents the installed capacity for cement production (in tonnes) and the actual production (in tonnes) of nine cement plants of a cement company. Capacity utilization of a plant is defined as ratio of actual production of cement to installed capacity. A plant with installed capacity of at least 200 tonnes is called a large plant and a plant with lesser capacity is called a small plant. The difference between total production of large plants and small plants, in tonnes is _____
Last answer:
Correct answer is 120.
gate
ee
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10
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1
answer
asked
Jun 4, 2018
by
anonymous
A large hydropower station has a head of 324 metre and an average flow of 1370 metre3 / second.
A large hydropower station has a head of 324 metre and an average flow of 1370 metre3 / second. The available hydraulic power from this station will be: A) 4.35 MW B) 4.15 MW C) 4.47 MW D) 4.73 MW
Last answer:
A large hydropower station has a head of 324 metre and an average flow of 1370 metre3 / second. The available hydraulic power from this station will be: 4.35 MW
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1
answer
asked
Jul 14, 2020
by
anonymous
List any two Thermal Power Station in Maharashtra with their installed capacity.
List any two Thermal Power Station in Maharashtra with their installed capacity.
Last answer:
Thermal Power Station in Maharashtra with their installed capacity :
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40
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1
answer
asked
Mar 25, 2018
by
anonymous
In AC. circuits, laminated iron is invariably used in order to?
In AC. circuits, laminated iron is invariably used in order to?
Last answer:
In AC. circuits, laminated iron is invariably used in order to reduce eddy current loss.
ac
circuits
laminated
iron
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75
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1
answer
asked
May 25, 2018
by
anonymous
Shunt generators are most suited for stable parallel operation as their voltage characteristics are
Shunt generators are most suited for stable parallel operation as their voltage characteristics are (a) drooping (b) identical (c) linear (d) rising
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51
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0
answers
asked
Apr 12, 2018
by
anonymous
Polyphase generators produce simultaneous multiple sinusoidal voltages that are separated by certain...
Polyphase generators produce simultaneous multiple sinusoidal voltages that are separated by certain constant: A. Phase -angles B. Frequency C. Voltage D. Current
Last answer:
Polyphase generators produce simultaneous multiple sinusoidal voltages that are separated by certain constant: Phase -angles
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87
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1
answer
asked
1 day
ago
by
anonymous
A market in which there are a few number of large firms is called as (1) Duopoly (2) Competition (3) Oligopoly (4) Monopoly
A market in which there are a few number of large firms is called as (1) Duopoly (2) Competition (3) Oligopoly (4) Monopoly
Last answer:
Oligopoly
economics
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2
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1
answer
asked
2 days
ago
by
anonymous
If an industry is characterised by economies of scale then (1) barriers to entry are not very large (2) long run unit costs of production decreases as the quantity the firm produces increases (3) capital requirement are small due to the efficiency of the large scale operation (4) the costs of entry into the market are likely to be substantial
If an industry is characterised by economies of scale then (1) barriers to entry are not very large (2) long run unit costs of production decreases as the quantity the firm produces increases (3) capital requirement are small due to the efficiency of the large scale operation (4) the costs of entry into the market are likely to be substantial
Last answer:
long run unit costs of production decreases as the quantity the firm produces increases
economics
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1
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asked
3 days
ago
by
anonymous
Maps on large scale, representing both natural and man-made features are called (1) Wall maps (2) Topographic maps (3) Thematic maps (4) Atlas maps
Maps on large scale, representing both natural and man-made features are called (1) Wall maps (2) Topographic maps (3) Thematic maps (4) Atlas maps
Last answer:
Topographic maps
physical-geography
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4
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1
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asked
4 days
ago
by
anonymous
Plantation of trees on a large scale to check soil erosion are called: (1) Shelter belts (2) Contour ploughing (3) Strip cropping (4) Afforestation
Plantation of trees on a large scale to check soil erosion are called: (1) Shelter belts (2) Contour ploughing (3) Strip cropping (4) Afforestation
Last answer:
Afforestation
physical-geography
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4
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1
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asked
Apr 14, 2018
by
anonymous
The large d.c. motors used in steel rolling mills are always provided with compensating . windings for
The large d.c. motors used in steel rolling mills are always provided with compensating . windings for (a) opposing the armature mmf (b) maintaining the voltage (c) maintaining the speed (d) none of these
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79
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0
answers
asked
Mar 25, 2018
by
anonymous
The substances which have a large number of free electrons and offer a low resistance are called?
The substances which have a large number of free electrons and offer a low resistance are called?
Last answer:
The substances which have a large number of free electrons and offer a low resistance are called conductors.
electrons
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212
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1
answer
asked
Mar 19, 2018
by
anonymous
Large internal faults are protected by?
Last answer:
Large internal faults are protected by merz price percentage differential protection.
internal
faults
protected
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124
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1
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asked
Jan 11
by
anonymous
A bus and a truck are available to cross a jungle. The speed of the truck is thrice that of the bus. The capacity of the truck is 60 persons and that of bus is 40 persons. The average occupancy of the bus is twice that of the truck. The tickets for the bus and the truck cost Re 1 and Re 1.50 respectively. What is the ratio of the average rupee collection of the truck to that of the bus in a day? Assume there is no wastage time between trips and the occupancy of the bus/truck is defined as the ratio of the actual number of persons boarding it and its capacity. a) 9:17 b) 17:9 c) 8:27 d) 27:8 e) None of these
A bus and a truck are available to cross a jungle. The speed of the truck is thrice that of the bus. The capacity of the truck is 60 persons and that of bus is 40 persons. The average occupancy of the bus is twice that of the truck. The tickets for the bus and the truck cost Re 1 and Re 1.50 respectively. What is the ratio of the ... bus/truck is defined as the ratio of the actual number of persons boarding it and its capacity. a) 9:17 b) 17:9 c) 8:27 d) 27:8 e) None of these
Last answer:
Answer: D Average Rupee collection = Speed× capacity × Occupancy × Ticket rate Ratio of average Rupee collection of truck to that of bus= product of above rate According to question, (3×60×1×1.5):(1×40×2×1)= 270:80=27:8
ratio-and-proportion
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asked
Jan 11
by
anonymous
Two jars having a capacity of 3 and 5 litres respectively are filled with mixtures of milk and water. In the smaller jar 25% of the mixture is milk and in the larger 25% of the mixture is water. The jars are emptied into a 10 litre cask whose remaining capacity is filled up with water. Find the percentage of milk in the cask. a) 55% b) 50% c) 45% d) 25% e) None of these
Two jars having a capacity of 3 and 5 litres respectively are filled with mixtures of milk and water. In the smaller jar 25% of the mixture is milk and in the larger 25% of the mixture is water. The jars are emptied into a 10 litre cask whose remaining capacity is filled up with water. Find the percentage of milk in the cask. a) 55% b) 50% c) 45% d) 25% e) None of these
Last answer:
Answer: D 0.75+3.75=4.5/10+8*100=4.5/18*100=25%
ratio-and-proportion
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asked
Apr 9, 2018
by
anonymous
The bandwidth and S/N of a communication system are 3MHz and 30dB respectively. The channel capacity...
The bandwidth and S/N of a communication system are 3MHz and 30dB respectively. The channel capacity (in Mbps) is around A) 30 B) 300 C) 0.3 D) None of these
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80
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0
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asked
Mar 29, 2018
by
anonymous
Two condensers of capacity 2F and 3F are connected in Series and a...
Two condensers of capacity 2F and 3F are connected in Series and a third condenser of 1F is connected in parallel to them. The resultant capacity will
Last answer:
Two condensers of capacity 2F and 3F are connected in Series and a third condenser of 1F is connected in parallel to them. The resultant capacity will 11/5 F
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76
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1
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asked
Mar 29, 2018
by
anonymous
To increase the ampere hour capacity of secondary cells, the cells are to be connected in
Last answer:
To increase the ampere-hour capacity of secondary cells, the cells are to be connected in Parallel.
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1
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Jul 24, 2019
by
anonymous
What are the criteria for selection of site for hydroelectric power plant?
What are the criteria for selection of site for hydroelectric power plant?
Last answer:
Following Factors to be kept while site selecting for Hydro power plant: 1. It should be located where high rain fall occurs. 2. A large catchments area must be available to store water. 3. It ... 12. Cost of land should be less. 13. Skilled and unskilled man power should be available nearby.
hydroelectric
power
plant
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