A. secondary instrument
B. absolute instrument
C. recording instrument
D. integrating instrument
Related Mcqs:
- The function of shunt in an ammeter is to______________?
A. by pass the current
B. increase the sensitivity of the ammeter
C. increase the resistance of ammeter
D. none of the above - __________ instruments are those which measure the total quantity of electricity delivered in a particular time ?
A. Absolute
B. Indicating
C. Recording
D. Integrating - The chemical effect of current is used in ______________?
A. D.C. ammeter hour meter
B. D.C. ammeter
C. D.C. energy meter
D. none of the above - The switch board instruments________________?
A. should be mounted in vertical position
B. should be mounted in horizontal position
C. either A. or B.
D. neither A. nor B. - The operating voltage of a meggar is about_______________?
A. 6 V
B. 12 V
C. 40 V
D. 100 V - A voltage of about 200 V can be measured__________________?
A. directly by a D.C. potentiometer
B. a D.C. potentiometer in conjunction with a volt ratio box
C. a D.C. potentiometer in conjunction with a known resistance
D. none of the above - To avoid the effect of stray magnetic field in A.C. bridges we can use_______________?
A. magnetic screening
B. Wagner earthing device
C. wave filters
D. any of the above - In a single phase power factor meter the phase difference between the currents in the two pressure coils is___________________?
A. exactly 0°
B. approximately 0°
C. exactly 90°
D. approximately 90° - In an energy meter braking torque is produced to________________?
A. safe guard it against creep
B. brake the instrument
C. bring energy meter to stand still
D. maintain steady speed and equal to driving torque - Which of the following is measured by using a vector voltmeter ?
A. Amplifier gain and phase shift
B. Filler transfer functions
C. Complex insersion loss
D. All of the above