1. . In electrical measuring instruments, electrical energy is converted to
(A) Mechanical energy
(B) Heat energy
(C) Chemical energy
(D) Light energy
2. . A measuring system consists of
(A) Sensors
(B) Variable conversion elements
(C) All of these
(D) Signal processing elements
3. . In hot wire instrument, the sensing wire is made of
(A) Platinum-iridium
(B) Silver
(C) Copper
(D) Copper-Nickel
4. . Which of the following is not an integrating instrument?
(A) Ampere-hour meter
(B) Watt-hour meter
(C) All of the above
(D) Voltmeter
5. . Electronic voltmeters can be designed to measure
(A) Only very small voltages
(B) Only very high voltages
(C) None of these
(D) Both very small and very high voltages
6. . The measurement range of digital voltmeter is
(A) 1V to 1MV
(B) 1V to 1kV
(C) 1kV to 1MV
(D) 100kV to 100MV
7. . Damping torque in instruments is generally not produced
(A) Electro-statically
(B) Electro-magnetically
(C) Pneumatically
(D) By fluid friction
8. . The multiplier and the meter coil in a voltmeter are in
(A) Parallel
(B) Series
(C) Series-Parallel
(D) None of the above
9. . An ammeter is a
(A) Secondary instrument
(B) Absolute instrument
(C) Recording instrument
(D) Integrating instrument