Computer Programming MCQs

5739 MCQs  (Page 292 of 574)

If an inductance is connected in one arm of bridge and resistances in the remaining three arms____________?
A. The bridge can always be balanced
B. The bridge cannot be balanced
C. The bridge can be balanced if the resistances have some specific values
A Weston frequency meter is_____________?
A. Moving coil instrument
B. Moving iron instrument
C. Dynamometer instrument
D. None of the above
The desirable static characteristics of a measuring system are______________?
A. Accuracy and reproducibility
B. Accuracy, sensitivity and reproducibility
C. Drift and dead zone
D. Static error
Damping of the Ballistic galvanometer is made small to_______________?
A. Get first deflection large
B. Make the system oscillatory
C. Make the system critically damped
D. Get minimum overshoot
Instrument transformers are_______________?
A. Potential transformers
B. Current transformers
C. Both a. and b.
D. Power transformers
Alternating current is measured by_______________?
A. Induction ammeter
B. Permanent magnet type ammeter
C. Electrostatic ammeter
D. Moving iron repulsion type voltmeter
Wattmeter cannot be designed on the principle of_________________?
A. Electrostatic instrument
B. Thermocouple instrument
C. Moving iron instrument
D. Electrodynamic instrument