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For the following questions answer them individually
What does the reading of the first dial on the right of a 4-dial watt hour meter indicate?
Number of single units
Total watts each hour
Maximum value the meter can register
Multiplier value of the preceding dial
A demand meter is a means of indicating which of the following?
Peak power periods
A high load factor
Low kWh consumption
All options are correct
An industrial analyzer is NOT suitable for measuring which of the following?
Power
Resistance
Current
Power factor
A multimeter is often called a VOM, which is an abbreviation of volt-ohm ________.
meter
megameter
milliammeter
microammeter
Which of the following is measured with a wheat stone bridge?
Voltage
In the circuit shown below, the variable arm of the bridge is:
R1
R2
R3
R4
What is the most simple electrical indicating instrument used on a control panel?
DC voltmeter
AC ammeter
Synchroscope
Light bulb
Under full load running condition, the slip of a synchronous motor is ________.
zero
about 0.2
about 0.01
None of these
Synchronous motors generally have ________.
cylindrical rotor
salient pole rotor
Both cylindrical and salient pole rotor
The power output of a synchronous motor is ________.
directly proportional to synchronous reactance
inversely proportional to synchronous reactance
independent of synchronous reactance
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