A. Ammeters
B. Voltmeters
C. Wattmeters
D. Ampere-hour and watt-hour meters
Which of the following are integrating instruments ? Read More »
Measurement and Instrumentation A. Should be non-magnetic
B. Most be of low temperature co-efficient
C. Should have low specific resistance
D. Should not be subjected to fatigue
E. All of the above
The spring material used in a spring control device should have the following property? Read More »
Measurement and Instrumentation A. ammeter
B. voltmeter
C. flux-meter
D. ballistic galvanometer
A. Deflecting device
B. Controlling device
C. Damg device
D. All of the above
Which of the following essential features is possessed by an indicating instrument? Read More »
Measurement and Instrumentation A. Shunts
B. Multipliers
C. Current transformers
D. Potential transformers
E. All of the above
Which of the following devices may be used for extending the range of instruments ? Read More »
Measurement and Instrumentation A. deflecting
B. controlling
C. damg
D. any of the above
A. Absolute instruments
B. Indicating instruments
C. Recording instruments
D. Integrating instruments
A. switch board
B. portable
C. both A. and B.
D. moving coil
E. moving iron
F. both D. and E.
According to application, instruments are classified as_____________? Read More »
Measurement and Instrumentation A. Deflecting device
B. Controlling device
C. Damg device
D. All of the above
Which of the following essential features is possessed by an indicating instrument ? Read More »
Measurement and Instrumentation A. Must be a good insulator
B. Should be non-evaporating
C. Should not have corrosive action upon the metal of the vane
D. The viscosity of the oil should not change with the temperature
E. All of the above
Which of the following properties a damping oil must possess ? Read More »
Measurement and Instrumentation