Category: Measurement and Instrumentation

A. an indicating instrument
B. a recording instrument
C. an integrating instrument
D. none of the above

A. moving iron instrument
B. electrostatic instrument
C. thermocouple instrument
D. none of the above

A. wattmeters
B. voltmeters
C. ammeters
D. ohmmeters and resistance bridges
E. all of the above

A. instrumental errors
B. environmental errors
C. observational errors
D. all of the above

A. extend voltage range
B. measure voltage
C. compare voltage in a box
D. none of the above

A. moving coil instrument
B. moving iron instrument
C. dynamometer instrument
D. none of the above

A. linear
B. non-linear
C. either A. or B.
D. neither A. nor B.

A. deflecting
B. controlling
C. damping
D. any of the above

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

A. D.C. voltmeter
B. Ammeter and a known resistance
C. D.C. potentiometer
D. None of the above