200 Important Measurement and instrumentation MCQ Question and Answer | PDF Free Download
1.Which of the following properties are measured by a Q-meter?
- AElectrical properties of the coils only
- BMechanical properties of the coils only
- CElectrical properties of capacitors only
- DElectrical properties of both the coils and capacitors
2.Synchro is a
- AParabolic transducer
- BAn angular position transducer
- CA synchronizing transducer
- DA variable transducer
3.Transmission channels for telemetry are
- AOptical links and Radio links
- BCables
- CUltrasonic and magnetic induction data links
- DAll of the above
4.Null type recorders are __________ recorders.
- ABridge recorders
- BLVDT recorders
- CPotentiometric recorders
- DAny of the above
5.Harmonic distortion is due to which of the following?
- ALinear behaviour of circuit elements
- BNon-linear behaviour of circuit elements
- CChange in behaviour of circuit elements due to change in temperature
- DNone of the above
6.In an oscilloscope a moving wave form can be made stationary by adjusting which of the following?
- AVertical positioning control
- BSync-ampliture control
- CCoarse frequency control
- DHorizontal position control
7.The Lissajous pattern of eight, on an oscilloscope, keeps on changing the shape when the ratio of frequencies is
- AExactly 4 : 1
- BExactly 3 : 1
- CNot Exactly 2 : 1
- DNot Exactly 1 : 1
8.Which of the following cannot be used to measure pressure?
- AStrain gauge
- BPyrometer
- CLVDT
- DPirani gauge
9.___________ can measure only pressure.
- ADisplacer
- BRadioactive method
- CBelt type meter
- DBubble gauge method
10.____________ can measure only level.
- ABellow
- BDiaphragm
- CStrain gauge
- DRadioactive method
11.By a ?Rotameter? we can measure
- ASpecific gravity
- BViscosity
- CFlow
- DRotation
12.Which of the following cannot be measured by Ring-balance meter?
- AMass flow rate
- BFlow
- CDifferential pressure
- DPressure
13.Load cell is essentially a _____________
- APhotovoltaic cell
- BStrain gauge
- CThermistor
- DNone of the above
14.Which of the following can measure pressure directly?
- ARotameter
- BBourden tube
- CLVDT
- DStrain gauge
15.Which of the following is used to measure flow of air around an aeroplane?
- AAnemometer
- BVenturimeter
- COrifice
- DRotameter
16.Which of the following is determined by a hydrometer?
- ASpecific gravity of gases
- BRelative humidity
- CSpecific gravity of liquids
- DSpecific gravity of solids
17.A differential transformer is a
- AConstant pressure transducer
- BConstant displacement transducer
- CVariable inductance transducer
- DVariable pressure transducer
18.The principle of Pirani gauge is based on ____________ of the medium.
- ACombustibility
- BThermal conductivity
- CHumidity
- DNone of the above
19.Radio frequency can be measured by which of the following frequency meters?
- AWeston frequency meter
- BHeterodyne frequency meter
- CElectrical resonant frequency meter
- DNone of the above
20.Which of the following gets varied by the focus adjustment of an oscillograph?
- AAccelerating voltage
- BSecond anode voltage
- CGrid voltage of cathode ray tube
- DFilament voltage