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What is an RF Power Meter?
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asked
Mar 10, 2018
by
anonymous
What is an RF Power Meter?
rf
power
meter
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asked
Mar 10, 2018
by
anonymous
What is a digital power meter?
What is a digital power meter?
digital
power
meter
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0
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asked
Mar 10, 2018
by
anonymous
What is power quality meter?
What is power quality meter?
power
quality
meter
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asked
Apr 29, 2018
by
anonymous
What is the power factor when a single phase watt meter operating on 200 V and 5 A for 5 hours makes 2016
What is the power factor when a single phase watt meter operating on 200 V and 5 A for 5 hours makes 2016 revolutions and the meter constant in revolution is 420? A) 0.04 B) 1.04 C) 0.96 D) None of these
Last answer:
What is the power factor when a single phase watt meter operating on 200 V and 5 A for 5 hours makes 2016 revolutions and the meter constant in revolution is 420? A) 0.04 B) 1.04 C) 0.96 D) None of these
power
factor
single
phase
watt
meter
operating
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1
answer
asked
Sep 5, 2018
by
anonymous
List two types of oscillator, which generates frequency in RF range.
List two types of oscillator, which generates frequency in RF range.
Last answer:
Types of Oscillators generating frequencies in RF range: i) Hartley Oscillator ii) Colpitt’s Oscillator iii) Clapp Oscillator
two
types
oscillator
generates
frequency
rf
range
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asked
Mar 21, 2018
by
anonymous
In a single phase power factor meter the phase difference between the currents in the two pressure coils is?
Last answer:
In a single phase power factor meter the phase difference between the currents in the two pressure coils is exactly 90°.
single
phase
power
factor
meter
difference
between
currents
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asked
Sep 22, 2018
by
anonymous
Explain the “mitigation of power theft” and “faulty meter replacement” for energy conservation techniques to reduce commercial losses.
Explain the “mitigation of power theft” and “faulty meter replacement” for energy conservation techniques to reduce commercial losses.
Last answer:
Energy conservation techniques to reduce commercial losses: 1. Mitigation of Power Theft: Power theft being the most important issue which all of the service providing utilities ... agricultural sector. Prepaid meters may prove effective measures against unauthorized abstraction of energy.
mitigation
power
theft
faulty
meter
replacement
energy
conservation
techniques
reduce
commercial
losses
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1
answer
asked
Sep 6, 2018
by
anonymous
With a neat sketch explain working of 1 phase dynamometer type power factor meter.
With a neat sketch explain working of 1 phase dynamometer type power factor meter.
Last answer:
Working of 1 phase dynamometer type power factor meter : The current coil is connected in series with load. Two pressure coils marked as A and B are connected across the supply terminals ... becomes stationary and the pointer shows steady deflection corresponding to the power factor of the load.
phase
dynamometer
type
power
factor
meter
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1
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asked
Mar 21, 2018
by
anonymous
In a dynamometer 3-phase power factor meter, the planes of the two moving coils are at?
Last answer:
In a dynamometer 3-phase power factor meter, the planes of the two moving coils are at 120°.
dynamometer
3-phase
power
factor
meter
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1
answer
asked
Mar 21, 2018
by
anonymous
The two pressure coils of a single phase power factor meter have?
Last answer:
The two pressure coils of a single phase power factor meter have the same dimensions and the same number of turns.
two
pressure
coils
single
phase
power
factor
meter
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1
answer
asked
Mar 21, 2018
by
anonymous
A power factor meter has?
Last answer:
A power factor meter has one current circuit and two pressure circuits.
power
factor
meter
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asked
Mar 10, 2018
by
anonymous
What does an electric meter measure?
What does an electric meter measure?
electric
meter
measure
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54
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0
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asked
Mar 10, 2018
by
anonymous
How do you read a KWH Meter?
How do you read a KWH Meter?
read
kwh
meter
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70
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0
answers
asked
Apr 28, 2018
by
anonymous
An induction type energy meter is found to run fast. Correction for this error can be made by
An induction type energy meter is found to run fast. Correction for this error can be made by (A) Over-load compensation. (B) Voltage compensation. (C) Moving the brake magnet away from the centre of the disc. (D) Moving the brake magnet towards the centre of the disc.
Last answer:
An induction type energy meter is found to run fast. Correction for this error can be made by Moving the brake magnet away from the centre of the disc.
induction
type
energy
meter
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106
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1
answer
asked
Mar 21, 2018
by
anonymous
The adjustment of position of shading bands, in an energy meter is done to provide?
Last answer:
The adjustment of position of shading bands, in an energy meter is done to provide friction compensation.
adjustment
position
shading
bands
energy
meter
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102
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1
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asked
Mar 21, 2018
by
anonymous
An induction meter can handle current up to?
Last answer:
An induction meter can handle current up to 100 A.
induction
meter
handle
current
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78
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1
answer
asked
Sep 6, 2018
by
anonymous
What is meant by energy meter constant?
What is meant by energy meter constant?
Last answer:
Energy Meter Constant A fixed value which is used when converting meter readings to actual energy use, especially when potential transformers and similar types of equipment are used in metering. For example, K=--------rev/Kwh
energy
meter
constant
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60
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1
answer
asked
Mar 10, 2018
by
anonymous
What type of meter is used to measure current?
What type of meter is used to measure current?
Last answer:
Ammeter
type
meter
used
measure
current
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3
answers
asked
Sep 25, 2017
by
anonymous
what is mean by nano meter technology ?
Last answer:
Nanometer is a ametric measure of distance equivalent to one billionth of a meter.
vlsi
nano
meter
technology
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71
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2
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asked
Mar 10, 2018
by
anonymous
What is the use of power factor correction?
What is the use of power factor correction?
use
power
factor
correction
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asked
Mar 10, 2018
by
anonymous
What is the best power factor?
What is the best power factor?
Last answer:
It is unity power factor but difficult to achieve in dynamic loads
best
power
factor
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1
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asked
Mar 10, 2018
by
anonymous
What is power factor angle?
What is power factor angle?
power
factor
angle
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answers
asked
Mar 10, 2018
by
anonymous
What is the advantage of high power factor?
What is the advantage of high power factor?
Last answer:
Reduced copper losses Smaller conductor size Improve voltage regulation Increase system capability Less energy bill
advantage
high
power
factor
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2
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asked
Mar 10, 2018
by
anonymous
What is power logger?
What is power logger?
power
logger
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0
answers
asked
Mar 10, 2018
by
anonymous
What is harmonic in power quality?
What is harmonic in power quality?
harmonic
power
quality
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0
answers
asked
Mar 10, 2018
by
anonymous
What is a power quality analyzer?
What is a power quality analyzer?
power
quality
analyzer
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434
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0
answers
asked
Mar 10, 2018
by
anonymous
What is good power quality?
What is good power quality?
good
power
quality
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0
answers
asked
Mar 10, 2018
by
anonymous
What is power quality monitoring?
What is power quality monitoring?
power
quality
monitoring
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60
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0
answers
asked
Mar 10, 2018
by
anonymous
What is meant by power dip?
What is meant by power dip?
power
dip
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0
answers
asked
Mar 10, 2018
by
anonymous
What causes random power outages?
What causes random power outages?
causes
random
power
outages
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0
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asked
Mar 10, 2018
by
anonymous
What are the power quality disturbance?
What are the power quality disturbance?
power
quality
disturbance
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72
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0
answers
asked
Mar 10, 2018
by
anonymous
What are the different power quality issues?
What are the different power quality issues?
different
power
quality
issues
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50
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0
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asked
Mar 10, 2018
by
anonymous
What can you do to prevent a power surge?
What can you do to prevent a power surge?
prevent
power
surge
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0
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asked
Mar 10, 2018
by
anonymous
What would cause a power surge in a house?
What would cause a power surge in a house?
Last answer:
If your neibour / other flat owners / your maintainer staff switch on any type of inductive load that can cause power surge / dip
cause
power
surge
house
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72
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1
answer
asked
Sep 5, 2018
by
anonymous
Why energy meter is integrating type measuring instrument?
Why energy meter is integrating type measuring instrument?
Last answer:
Energy Meter is Integrating Type Measuring Instrument: Energy meter is used for measurement of energy, which is obtained by integration (summation) of power supplied over the particular time duration, hence it the integrating type measuring instrument.
energy
meter
integrating
type
measuring
instrument
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1
answer
asked
May 8, 2018
by
anonymous
kWh meter is the electric meter that measures the amount of electrical _________ in kWh that
kWh meter is the electric meter that measures the amount of electrical _________ in kWh that was consumed in the house. (A) Energy (B) Current (C) Voltage (D) None of the above
Last answer:
kWh meter is the electric meter that measures the amount of electrical Energy in kWh that was consumed in the house.
kwh
electric
meter
measures
electrical
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1
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asked
Apr 30, 2018
by
anonymous
For measurement of radio frequency ac signals __________ type meter is used
For measurement of radio frequency ac signals __________ type meter is used
Last answer:
For measurement of radio frequency ac signals thermo-couple type meter is used
measurement
radio
frequency
ac
signals
type
meter
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121
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1
answer
asked
Apr 29, 2018
by
anonymous
A moving coil of meter has 100 turns, and a length and depth of 10mm and 20mm respectively. It is positioned
A moving coil of meter has 100 turns, and a length and depth of 10mm and 20mm respectively. It is positioned in a uniform radial flux density of 200 mT. The coil carrier current capacity is 50 mA. The torque on the coil is
Last answer:
A moving coil of meter has 100 turns, and a length and depth of 10mm and 20mm respectively. It is positioned in a uniform radial flux density of 200 mT. The coil carrier current capacity is 50 mA. The torque on the coil is 200µNm
moving
coil
meter
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285
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1
answer
asked
Apr 28, 2018
by
anonymous
The meter which does not have any component in it to provide control torque is
The meter which does not have any component in it to provide control torque is (A) Electrodynamometer for current measurement (B) Electrodynamometer for voltage measurement (C) Electrodynamometer for power measurement. (D) Electrodynamometer for power factor measurement.
Last answer:
The meter which does not have any component in it to provide control torque is Electrodynamometer for power factor measurement.
meter
control
torque
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119
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1
answer
asked
Apr 28, 2018
by
anonymous
A 200 V, 5 A d.c. energy meter is tested at its marked ratings. The resistance of the pressure circuit is 8000 Ω
A 200 V, 5 A d.c. energy meter is tested at its marked ratings. The resistance of the pressure circuit is 8000 Ω and that of current coil is 0.1 Ω. The power consumed when testing the meter with phantom loading with current circuit excited by a 6 V battery is (A) 2.5 W (B) 5 W (C) 32.5 W (D) 35 W
Last answer:
A 200 V, 5 A d.c. energy meter is tested at its marked ratings. The resistance of the pressure circuit is 8000 Ω and that of current coil is 0.1 Ω. The power consumed when testing the meter with phantom loading with current circuit excited by a 6 V battery is 35 W
dc
energy
meter
tested
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107
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1
answer
asked
Apr 28, 2018
by
anonymous
Phantom loading for testing of energy meter is used
Phantom loading for testing of energy meter is used (A) to isolate the current and potential circuits (B) to increase power loss during testing (C) for meters having low current ratings (D) to test meters having a large current rating for which loads may not be available
Last answer:
B
phantom
loading
testing
energy
meter
used
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715
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2
answers
asked
Apr 25, 2018
by
anonymous
The disc of a single phase Induction-type energy meter makes 60 revolutions in 6 minutes. Meter Constant is
The disc of a single phase Induction-type energy meter makes 60 revolutions in 6 minutes. Meter Constant is 1200 rev/kWh. Power consumption in the load is (A) 1.2 kW (B) 1 kW (C) 600 W (D) 500 W
Last answer:
The disc of a single phase Induction-type energy meter makes 60 revolutions in 6 minutes. Meter Constant is 1200 rev/kWh. Power consumption in the load is 500 W
single
phase
induction-type
energy
meter
disc
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141
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1
answer
asked
Mar 25, 2018
by
anonymous
One newton meter is same as?
One newton meter is same as?
Last answer:
One newton meter is same as one joule.
newton
meter
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70
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1
answer
asked
Mar 21, 2018
by
anonymous
A Weston frequency meter is?
Last answer:
A Weston frequency meter is moving iron instrument.
weston
frequency
meter
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54
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1
answer
asked
Mar 21, 2018
by
anonymous
The household energy meter is?
Last answer:
The household energy meter is an integrating instrument.
household
energy
meter
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142
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1
answer
asked
Jun 26, 2020
by
anonymous
Draw venture meter and write steps to measure flow rate.
Draw venture meter and write steps to measure flow rate.
Last answer:
Venturi meter consists of three sections that is converging section, throat section and diverging section. The flow is introduced to the meter through the inlet with diameter D' . The inclined angle ... to 15o . Flow rate is proportional to the square root of the differential pressure.
venture
meter
measure
flow
rate
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32
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1
answer
asked
Jun 26, 2020
by
anonymous
List variable flow meter.
List variable flow meter.
Last answer:
1. Variable area : Rotameter 2. Variable head : a) Venturi b) Orifice c) Pitot tube d) Nozzle
list
variable
flow
meter
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19
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1
answer
asked
Aug 21, 2019
by
anonymous
working of distortion factor meter with block diagram
working of distortion factor meter with block diagram
Last answer:
Working : Initially the switch S is kept at position 1.The attenuator gets excluded and the bridge T network is adjusted for full suppression of fundamental frequency and hence we get ... is obtained on the meter.Thus the total rms distortion is indicated by the reading of attenuator.
distortion
factor
meter
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562
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1
answer
asked
Aug 21, 2019
by
anonymous
Principal of digital frequency meter.
Principal of digital frequency meter.
Last answer:
The basic block diagram of basic digital frequency meter (DFM) is shown in above figure. The signal whose frequency we have to be measured is first to be amplified through amplifier. The output of amplifier ... = Number of counts. t = Time interval between start and stop condition of the gate.
digital
frequency
meter
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97
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2
answers
asked
Aug 17, 2019
by
anonymous
State one application of clip on meter.
State one application of clip on meter.
Last answer:
Clip-on meter is used to measure the High value AC current without breaking the circuit Or without opening the circuit.
clip
on
meter
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27
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1
answer
asked
Aug 5, 2019
by
anonymous
State advantages & disadvantages of electromagnetic flow meter.
State advantages & disadvantages of electromagnetic flow meter.
Last answer:
Advantage: Provides wide linear range. 2) Ability to measure reverses flow. 3) Gives rapid response to flow changes. 4) No obstruction is created to flow. 5) It can handle corrosive as ... and pipe networks with relatively short inside diameters. 3) It is useful for electrically conducting fluid.
advantages
disadvantages
electromagnetic
flow
meter
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answer
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