A. as long as possible
B. as short as possible
C. neither too small not too large
D. very thick
A. a D.C. potentiometer directly
B. a D.C. potentiometer in conjunction with a standard resistance
C. a D.C. potentiometer in conjunction with a volt ratio box
D. none of the above
A direct current can be measured by________________? Read More »
Measurement and Instrumentation A. Small range moving coil voltmeter
B. D.C. potentiometer
C. Small range thermocouple voltmeter
D. None of the above
A. necessary to standardise the potentiometer
B. not necessary to standardise the potentiometer
C. necessary to use a volt ratio box in conjunction with the potentiometer
D. none of the above
To measure a resistance with the help of a potentiometer it is_________________? Read More »
Measurement and Instrumentation A. battery
B. permanent magnet D.C. generator
C. AC. generator
D. any of the above
The electrical power to a meggar is provided by________________? Read More »
Measurement and Instrumentation A. D.C. voltmeter
B. Ammeter and a known resistance
C. D.C. potentiometer
D. None of the above
A. moving iron instrument
B. moving coil instrument
C. dynamometer instrument
D. none of the above
An ohmmeter is a____________? Read More »
Measurement and Instrumentation A. ground fault on a cable
B. short circuit fault on a cable
C. both the ground fault and the short-circuit fault
D. none of the above
Murray loop test can be used for location of________________? Read More »
Measurement and Instrumentation A. unity
B. 0.8 lagging
C. 0.8 leading
D. zero
A. An operating torque system
B. A braking device
C. Revolution registering device
D. All of the above
Which of the following is an essential part of a motor meter ? Read More »
Measurement and Instrumentation