Pressure Measurement MCQs | Pressure Measurement Short Questions and Answers

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Questions
41 The chemical effect of current is used in …….
A D.D. ammeter
B D.C. energy meter
C D.C. ammeter hour meter
D none f the above

Answer: D.C. ammeter hour meter
42 An ammeter is a …………….. instrument.
A absolute instrument
B recording instrument
C integrating instrument
D secondary instrument

Answer: secondary instrument
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43 To measure current at high frequency, we must use ……..
A thermocouple instrument
B moving iron instrument
C electrostatic instrument
D none of the above

Answer: thermocouple instrument
44 The adjustment of position of shading bands, in an energy meter is done to provide ……….
A creep compensation
B braking torque
C friction compensation
D none of the above

Answer: friction compensation
45 Murray loop test can be used for location of …………..
A ground fault on a cable
B short circuit fault on a cable
C both the ground fault and short-circuit fault
D none of the above

Answer: both the ground fault and short-circuit fault
46 The best device to measure the true open circuit e.m.f. of a battery is ………….
A D.C. voltmetr
B D.C. potentiometer
C ammeter and a known resistance
D none of the above

Answer: D.C. potentiometer
47 A phase shifting transformer is used in conjunction with ………..
A Drysdale potentiometer
B D.C. potentiometer
C Crompton potentiometer
D A.C. co-ordinate potentiometer

Answer: Drysdale potentiometer
48 The stator of phase shifting transformer for use in conjunction with an A.C. potentiometer usually has a ………….
A two-phase winding
B single-phase winding
C three-phase winding
D None of the above

Answer: two-phase winding
49 In an A.C. co-ordinate potentiometer, the currents in the phase and quadrature potentiometer are adjusted to be …………..
A out of phase by 180°
B out of phase by 60°
C out of phase by 90°
D None of these

Answer: out of phase by 90°
50 For measurements on high voltage capacitors, the suitable bridge is ………….
A Wein bridge
B Modified De Santy’s bridge
C Schering bridge
D none of the above

Answer: Schering bridge
51 Mutual inductance can be measured by using ……………
A Heaviside bridge
B Anderson bridge
C Maxwell’s bridge
D any of the above

Answer: Heaviside bridge
52 The full range of audibility in audio frequency oscillator is …………
A 20 Hz to 2 kHz
B 0 to 20 Hz
C 20 Hz to 20 MHz
D 20 Hz to 20 kHz

Answer: 20 Hz to 2 kHz
53 Optical sensors used for the displacement measurement works on the principal that ………….
A Intensity of light decreases with distance
B Intensity of light increases with distance
C Intensity of light increases with time
D Intensity of light remains constant with distance

Answer: Intensity of light decreases with distance
54 The ionization gauge an instrument used for the measurement of …………….
A Medium pressure
B Very high pressure
C Very low pressure
D High pressure

Answer: Very low pressure
55 Dead weight gauge is used for the measurement of pressure of ………………
A About 7000 bar
B About 1000 bar
C About 2000 bar
D None of the mentioned

Answer: About 7000 bar
56 The resistances of potential transformer winding is minimized by using ……………….
A Thin conductors and small length of turns
B Thin conductors and large length of turns
C Thick conductors and large length of turns
D Thick conductors and small length of turns

Answer: Thick conductors and small length of turns
57 Moving iron power factor meter are suitable for 3 phase balanced circuits. It consists of ………..
A No control spring
B One control spring
C Two control spring
D Three control spring

Answer: No control spring
58 A moving iron frequency meter consists of ………….
A One inductive and one non inductive circuit connected in parallel
B Two inductive circuits connected in parallel
C One inductive and one non inductive circuit connected in series
D Two non inductive circuits connected in parallel

Answer: One inductive and one non inductive circuit connected in parallel
59 The electrodynamic frequency meters have ………….
A Non linear scale and their readings depends on voltage
B Non linear scale and their readings does not depends on voltage
C Linear scale and their readings does not depends on voltage
D Linear scale and their readings depends on voltage

Answer: Linear scale and their readings does not depends on voltage
60 Electrical equipments are generally earthed through an electrode to avoid shocks when someone touches the body of the equipment. The earth resistance is effected by …………..
A Specific resistance of the soil surrounding the electrode
B Shape and material of earth electrodes
C Depth of electrodes buried in the soil
D All of these

Answer: All of these

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