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The increased load during summer months is due to?
asked
Mar 20, 2018
by
anonymous
increased
load
summer
months
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1
Answer
answered
Mar 20, 2018
by
anonymous
The increased load during summer months is due to
increased use of fans and air conditioners.
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Related questions
asked
Mar 20, 2018
by
anonymous
As the load is increased the speed of D.C. shunt motor will?
Last answer:
As the load is increased the speed of D.C. shunt motor will reduce slightly.
load
increased
speed
dc
shunt
motor
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106
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1
answer
asked
Mar 18, 2018
by
anonymous
If the load of the normally excited synchronous motor is increased the power factor will?
If the load of the normally excited synchronous motor is increased the power factor will?
Last answer:
If the load of the normally excited synchronous motor is increased the power factor will become lagging.
load
normally
excited
synchronous
motor
increased
power
factor
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81
views
1
answer
asked
Mar 19, 2018
by
anonymous
If the supply frequency to the transformer is increased, the iron loss will?
Last answer:
If the supply frequency to the transformer is increased, the iron loss will increase.
supply
frequency
transformer
increased
iron
loss
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102
views
1
answer
asked
Mar 20, 2018
by
anonymous
The steady state stability of the power system can be increased by?
Last answer:
The steady state stability of the power system can be increased by connecting lines in parallel.
steady
state
stability
power
system
increased
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94
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1
answer
asked
May 8, 2018
by
anonymous
Stability of a transmission line can be increased by
Stability of a transmission line can be increased by
Last answer:
Stability of a transmission line can be increased by Shunt capacitor, Series capacitor
stability
transmission
line
increased
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266
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1
answer
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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112
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1
answer
asked
Apr 29, 2018
by
anonymous
In a synchronous generator if the excitation increased from a low value to normal value, with a fixed load
In a synchronous generator if the excitation increased from a low value to normal value, with a fixed load (A) The armature current increases and the power factor decreases (B) The armature current decreases and the power factor also decreases (C) The armature current decreases and the power factor increases but is lagging (D) The armature current decreases and the power factor increases and is leading
Last answer:
In a synchronous generator if the excitation increased from a low value to normal value, with a fixed load The armature current decreases and the power factor increases and is leading
synchronous
generator
excitation
normal
value
fixed
load
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1
answer
asked
Apr 29, 2018
by
anonymous
In order to have a lower cost of electrical energy generation the load factor
In order to have a lower cost of electrical energy generation the load factor (1) and the diversity factor should be low (2) should be low but the diversity factor should be high (3) should be high but the diversity factor should be low (4) and the diversity factor both should be high
Last answer:
In order to have a lower cost of electrical energy generation the load factor and the diversity factor both should be high
lower
cost
electrical
energy
generation
load
factor
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1
answer
asked
Mar 20, 2018
by
anonymous
Load curve is useful in deciding the?
Last answer:
Load curve is useful in deciding the operating schedule of generating units, sizes of generating units, total installed capacity of the plant.
load
curve
useful
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98
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1
answer
asked
Mar 20, 2018
by
anonymous
The load factor of domestic load is usually?
Last answer:
The load factor of domestic load is usually 10 to 15%.
load
factor
domestic
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119
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1
answer
asked
Mar 20, 2018
by
anonymous
_______ is invariably used as base load plant.
Last answer:
Nuclear power plant is invariably used as base load plant.
invariably
used
base
load
plant
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81
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1
answer
asked
Mar 20, 2018
by
anonymous
Load factor of a power station is generally?
Last answer:
Load factor of a power station is generally less than unity.
load
factor
power
station
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1
answer
asked
Mar 20, 2018
by
anonymous
Load factor of a power station is defined as?
Last answer:
Load factor of a power station is defined as average load/maximum demand.
load
factor
power
station
defined
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88
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1
answer
asked
Jul 24, 2019
by
anonymous
Explain the concept of following terms : (i) Connected load (ii) Maximum demand
Last answer:
1. Connected Load: It is the sum of load of all equipment's connected to supply system which are in use or not in use of each consumer. OR The sum of connected load of all consumers ... is the maximum load which a consumer uses at a particular time period out of his total connected load.
connected
load
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1
answer
asked
Mar 20, 2018
by
anonymous
In a load curve the highest point represents?
Last answer:
In a load curve the highest point represents peak demand.
load
curve
highest
point
represents
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1
answer
asked
Mar 20, 2018
by
anonymous
The area under a load curve gives?
Last answer:
The area under a load curve gives energy consumed.
area
load
curve
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1
answer
asked
Jul 24, 2019
by
anonymous
Compare base load plant with peak load plant.
Compare base load plant with peak load plant.
Last answer:
Sr.No. Points Base load plant Peak load plant 1 Definition The power plant which supplies base load of load curve is known as base load plant The power ... power station Small capacity storage hydro, pumped storage hydro, gas, diesel power station.
peak
load
plant
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87
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1
answer
asked
Mar 20, 2018
by
anonymous
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.
generators
peak
load
plants
designed
maximum
efficiency
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1
answer
asked
Mar 20, 2018
by
anonymous
Which plant can never have 100 percent load factor ?
Last answer:
Peak load plant can never have 100 percent load factor.
plant
load
factor
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1
answer
asked
Mar 20, 2018
by
anonymous
In two part tariff, variation in load factor will affect?
Last answer:
In two part tariff, variation in load factor will affect operating or running charges.
two
part
tariff
variation
load
factor
affect
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54
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1
answer
asked
Mar 20, 2018
by
anonymous
A load curve indicates?
Last answer:
A load curve indicates average kWh (kW) energy consumption during the period.
load
curve
indicates
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1
answer
asked
Mar 20, 2018
by
anonymous
High load factor indicates?
Last answer:
High load factor indicates total plant capacity is utilised for most of the time.
high
load
factor
indicates
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1
answer
asked
Jun 18, 2018
by
anonymous
An SSB transmitter produces a peak-to-peak voltage of 200 V across a 100 Ω antenna load. What is the Peak
An SSB transmitter produces a peak-to-peak voltage of 200 V across a 100 Ω antenna load. What is the Peak Envelope Power? A) 49.98 W B) 79.98 W C) 99.96 W D) 199.93 W
Last answer:
An SSB transmitter produces a peak-to-peak voltage of 200 V across a 100 Ω antenna load. What is the Peak Envelope Power? A) 49.98 W B) 79.98 W C) 99.96 W D) 199.93 W
ssb
transmitter
peak-to-peak
voltage
antenna
load
peak
envelope
power
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208
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1
answer
asked
Mar 20, 2018
by
anonymous
If the synchronous motor, properly synchronised to the supply is running on no load and is having negligible loss then?
Last answer:
If the synchronous motor, properly synchronised to the supply is running on no load and is having negligible loss then the stator current will be zero.
synchronous
motor
synchronised
supply
running
load
negligible
loss
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87
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1
answer
asked
Apr 29, 2018
by
anonymous
Load compensation in power systems is a process to :
Load compensation in power systems is a process to : (A) Maintain better voltage profile (B) Increase short circuit capacity of the system (C) Generate required harmonics for loads like arc furnaces (D) Compensate for the line reactance
Last answer:
Load compensation in power systems is a process to : Maintain better voltage profile
load
compensation
power
systems
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62
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1
answer
asked
Apr 16, 2020
by
anonymous
Explain with neat circuit diagrams the procedures to perform no load and blocked rotor tests on three phase induction motor
Explain with neat circuit diagrams the procedures to perform no load and blocked rotor tests on three phase induction motor.
no
load
and
blocked
rotor
tests
on
three
phase
induction
motor
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85
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0
answers
asked
Sep 22, 2018
by
anonymous
Define the following terms related to tariff: (i) Connected load (ii) Unit consumed (iii) Fixed charges (iv) Electricity Tax
Define the following terms related to tariff: (i) Connected load (ii) Unit consumed (iii) Fixed charges (iv) Electricity Tax
Last answer:
(i) Connected load It is the sum of the power ratings (Watts or kW or MW) of all devices and machines existing (installed) in the premises of consumer. It is used to decide the ... a percentage of the total electricity bill which includes all amounts that go to the electricity supply agency.
tariff
connected
load
unit
consumed
fixed
charges
electricity
tax
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406
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1
answer
asked
Apr 28, 2018
by
anonymous
The sequence components of current of a single-phase load connected to a 3-phase system are
The sequence components of current of a single-phase load connected to a 3-phase system are (A) equal positive and negative sequence components (B) equal positive, negative and zero sequence components (C) vector sum of sequence currents is zero (D) algebraic sum of sequence currents is zero
Last answer:
The sequence components of current of a single-phase load connected to a 3-phase system are equal positive, negative and zero sequence components
sequence
components
current
single-phase
load
connected
3-phase
system
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394
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1
answer
asked
Mar 19, 2018
by
anonymous
In an actual transformer the iron loss remains practically constant from no load to full load because?
Last answer:
In an actual transformer the iron loss remains practically constant from no load to full load because core flux remains practically constant.
transformer
iron
loss
constant
load
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77
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1
answer
asked
Mar 20, 2018
by
anonymous
A synchronous motor running with normal excitation adjusts to load increases essentially by increase in?
Last answer:
A synchronous motor running with normal excitation adjusts to load increases essentially by increase in armature current.
synchronous
motor
running
normal
excitation
load
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87
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1
answer
asked
Mar 26, 2018
by
anonymous
If load on a d.c. shunt motor is increased, its speed is decreased due primarily to?
If load on a d.c. shunt motor is increased, its speed is decreased due primarily to?
Last answer:
If load on a d.c. shunt motor is increased, its speed is decreased due primarily to decrease in back e.m.f.
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106
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1
answer
asked
Apr 30, 2018
by
anonymous
Load factor is the
Load factor is the (1) Ratio of maximum load on the station to sum of consumer's maximum load. (2) Ratio of average demand to maximum demand. (3) Factor used for increasing load. (4) Reciprocal of (1).
Last answer:
Load factor is the Ratio of average demand to maximum demand.
load
factor
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1
answer
asked
Apr 30, 2018
by
anonymous
Generally in a power system network, the load is represented as a :
Generally in a power system network, the load is represented as a : (A) Constant power in both load flow study and in stability study (B) Constant power in load flow study and constant impedance in stability study (C) Constant power in stability study and constant impedance in load flow study (D) Constant impedance in both load flow study and in stability study
Last answer:
Generally in a power system network, the load is represented as a : Constant power in load flow study and constant impedance in stability study
power
system
network
load
represented
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1
answer
asked
Apr 29, 2018
by
anonymous
A 3 -phase, fully controlled, converter is feeding power into a DC load at a constant current of 150 A, the rms
A 3 -phase, fully controlled, converter is feeding power into a DC load at a constant current of 150 A, the rms value of the current flowing through each thyristor of the converter is
Last answer:
A 3 -phase, fully controlled, converter is feeding power into a DC load at a constant current of 150 A, the rms value of the current flowing through each thyristor of the converter is 150/√3
fully
controlled
converter
feeding
power
dc
load
constant
current
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175
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1
answer
asked
Apr 28, 2018
by
anonymous
The power consumed by a balanced 3-ph load is measured by two-wattmeter method. The meter readings are
The power consumed by a balanced 3-ph load is measured by two-wattmeter method. The meter readings are 8 kW and 4 kW. The power factor of the load is (A) zero (B) 0.5 (C) between zero and 0.5 (D) between 0.5 and unity
Last answer:
The power consumed by a balanced 3-ph load is measured by two-wattmeter method. The meter readings are 8 kW and 4 kW. The power factor of the load is between 0.5 and unity
power
consumed
balanced
load
measured
two-wattmeter
method
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106
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1
answer
asked
Apr 28, 2018
by
anonymous
The effect of increasing load on a synchronous motor running with normal excitation is
The effect of increasing load on a synchronous motor running with normal excitation is (A) Increase both its Ia and power factor. (B) Decrease Ia, but increase power factor. (C) Increase Ia, but decrease power factor (D) Decrease both Ia and power factor.
Last answer:
The effect of increasing load on a synchronous motor running with normal excitation is Increase Ia, but decrease power factor
effect
load
synchronous
motor
running
normal
excitation
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401
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1
answer
asked
Mar 25, 2018
by
anonymous
Sparking occurs when a load is switched off because the circuit has high?
Sparking occurs when a load is switched off because the circuit has high?
Last answer:
Sparking occurs when a load is switched off because the circuit has high inductance.
sparking
load
switched
circuit
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100
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1
answer
asked
Mar 20, 2018
by
anonymous
The speed/load characteristics of a universal motor is same as that of?
Last answer:
The speed/load characteristics of a universal motor is same as that of D.C. series motor.
speed
load
characteristics
universal
motor
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69
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1
answer
asked
Mar 20, 2018
by
anonymous
The coupling angle or load angle of synchronous motor is defined as the angle between the?
Last answer:
The coupling angle or load angle of synchronous motor is defined as the angle between the rotor and the stator poles of opposite polarity.
coupling
angle
load
synchronous
motor
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136
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1
answer
asked
Mar 20, 2018
by
anonymous
Series capacitors on transmission lines are of little use when the load VAR requirement is?
Last answer:
Series capacitors on transmission lines are of little use when the load VAR requirement is small.
series
capacitors
transmission
lines
use
load
var
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146
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1
answer
asked
Mar 19, 2018
by
anonymous
Negative voltage regulation is indicative that the load is?
Negative voltage regulation is indicative that the load is?
Last answer:
Negative voltage regulation is indicative that the load is capacitive.
negative
voltage
regulation
indicative
load
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108
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1
answer
asked
Mar 19, 2018
by
anonymous
The maximum load that a power transformer can carry is limited by its?
The maximum load that a power transformer can carry is limited by its?
Last answer:
The maximum load that a power transformer can carry is limited by its voltage ratio.
maximum
load
power
transformer
carry
limited
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104
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1
answer
asked
Mar 19, 2018
by
anonymous
Minimum voltage regulation occurs when the power factor of the load is?
Minimum voltage regulation occurs when the power factor of the load is?
Last answer:
Minimum voltage regulation occurs when the power factor of the load is leading.
minimum
voltage
regulation
power
factor
load
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113
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1
answer
asked
Mar 19, 2018
by
anonymous
In a step-down transformer, there is a change of 15 A in the load current. This results in change of supply current of?
In a step-down transformer, there is a change of 15 A in the load current. This results in change of supply current of?
Last answer:
In a step-down transformer, there is a change of 15 A in the load current. This results in change of supply current of less than 15A.
step-down
transformer
load
current
change
supply
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90
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1
answer
asked
Mar 18, 2018
by
anonymous
The synchronous motor which works on leading power factor and does not drive any mechanical load is called?
The synchronous motor which works on leading power factor and does not drive any mechanical load is called?
Last answer:
The synchronous motor which works on leading power factor and does not drive any mechanical load is called synchronous condenser.
synchronous
motor
leading
power
factor
drive
mechanical
load
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69
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1
answer
asked
Mar 18, 2018
by
anonymous
The synchronous motor will develop maximum power when the load angle is?
The synchronous motor will develop maximum power when the load angle is?
Last answer:
The synchronous motor will develop maximum power when the load angle is 900.
synchronous
motor
develop
maximum
power
load
angle
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80
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1
answer
asked
Aug 12, 2018
by
anonymous
A balanced Delta connected load supplied with 440 V 50 Hz three phase AC supply has R=10 Ohm and L=0.6 mH in is each arm. Calculate line and phase current, active power.
A balanced Delta connected load supplied with 440 V 50 Hz three phase AC supply has R=10 Ohm and L=0.6 mH in is each arm. Calculate line and phase current, active power.
balanced
three-phase
delta
connected
load
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173
views
0
answers
asked
May 8, 2018
by
anonymous
In load flow Study, a PV bus is treated as a PQ bus when
In load flow Study, a PV bus is treated as a PQ bus when
Last answer:
Voltage at the bus becomes high
load
flow
study
pv
pq
bus
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2.5k
views
2
answers
asked
Apr 30, 2018
by
anonymous
A transformer has negative voltage regulation when its load power factor is
A transformer has negative voltage regulation when its load power factor is (1) Zero (2) Unity (3) Leading (4) Lagging
Last answer:
Leading
transformer
negative
voltage
regulation
load
power
factor
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1.1k
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2
answers
asked
Apr 30, 2018
by
anonymous
A transformer operates 24 hours day at full -load. It's full -load efficiency is :
A transformer operates 24 hours day at full -load. It's full -load efficiency is : (A) equal all day efficiency (B) more than all -day efficiency (C) less than all -day efficiency (D) equal to maximum efficiency
Last answer:
A transformer operates 24 hours day at full -load. It's full -load efficiency is : equal all day efficiency
transformer
operates
full
load
efficiency
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1
answer
...