Measurement and Instrumentation Objective Type Questions with Answers - Set 09 - ObjectiveBooks

Measurement and Instrumentation Objective Type Questions with Answers - Set 09

Practice Test: Question Set - 09


1. In an Anderson bridge, the unknown inductance is measured in terms of
    (A) Known inductance and resistance
    (B) Known capacitance and resistance
    (C) Known resistance
    (D) Known inductance

2. The resistance in the circuit of the moving coil of a dynamometer wattmeter should be
    (A) Almost zero
    (B) Low
    (C) High
    (D) None of the above

3. Which of the following devices may be used for extending the range of instruments?
    (A) Shunts
    (B) Multipliers
    (C) Current transformers
    (D) All of the above

4. Which of the following essential features is possessed by an indicating instrument?
    (A) Deflecting device
    (B) Controlling device
    (C) Damping device
    (D) All of the above

5. In a Meggar controlling torque is provided by
    (A) Spring
    (B) Gravity
    (C) Coil
    (D) Eddy current

6. The ratio of maximum displacement deviation to full scale deviation of the instrument is called
    (A) Static sensitivity
    (B) Dynamic deviation
    (C) Linearity
    (D) Precision or accuracy

7. Various adjustments in an energy meter include
    (A) Light load or friction
    (B) Lag and creep
    (C) Overload and voltage compensation
    (D) All of the above

8. E.m.f. of a Weston cell is accurately measured by
    (A) Electrostatic voltmeter
    (B) Hot wire voltmeter
    (C) Isothermal voltmeter
    (D) Electrodynamic voltmeter

9. An ammeter is a
    (A) Secondary instrument
    (B) Absolute instrument
    (C) Recording instrument
    (D) Integrating instrument

10. The stator of phase shifting transformer for use in conjunction with an A.C. potentiometer usually has a
    (A) Single-phase winding
    (B) Two-phase winding
    (C) Three-phase winding
    (D) Any of the above

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