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Free download in PDF Pressure Measurement MCQs 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.
81
Electrostatic instruments are generally used as …………
[A]
Ammeters
[B]
Watt-hour meters
[C]
Voltmeters
[D]
Wattmeters
82
The gravity controlled instruments has to be kept …………
[A]
Horizontal
[B]
Inclined at 45 degree
[C]
Inclined at 75 degree
[D]
Finite error
83
The undesirable characteristics of a measuring system is …………….
[A]
Non linearity
[B]
Dead zone
[C]
Drift
[D]
All of these
84
Suitable method for the reduction of systematic errors is / are ……………
[A]
Instrument must be designed carefully
[B]
By introducing an equal and opposite environmental input for compensating the effect of environmental input in a measurement system
[C]
By adding high gain feedback to measurement system
[D]
All of these
85
The measurements which can be simplified by using X – Y recorders is / are …………..
[A]
Hysteresis curves
[B]
Speed – torque characteristics of motors
[C]
Regulation curves of power supplies
[D]
All of these
86
Contact devices used for the measurement of level are …………
[A]
Decreases
[B]
Increases
[C]
Remains same
[D]
None of these
87
If at one end, the two wires made of different metals are joined together then a voltage will get produced between the two wires due to difference of temp between the two ends of wires. This effect is observed in ………..
[A]
Thermistors
[B]
RTD
[C]
Ultrasonics
[D]
Thermocouples
88
An ohmmeter is a ………… instrument.
[A]
moving coil
[B]
moving iron
[C]
dynamometer
[D]
None of the above
89
To measure a very high resistance, we should use ………..
[A]
Meggar
[B]
Kelvin’s double bridge
[C]
Wheat stone bridge
[D]
None of these
90
The electric power t a Meggar is provided by ………..
[A]
permanent magnet D.C. generator
[B]
battery
[C]
any of the above
[D]
A.C. generator
Answer: permanent magnet D.C. generator
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