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Free download in PDF Pressure Measurement Short Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams. These short solved questions or quizzes are provided by Gkseries.
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
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
51
Mutual inductance can be measured by using ……………
[A]
Heaviside bridge
[B]
Anderson bridge
[C]
Maxwell’s bridge
[D]
any of the above
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
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
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
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