UPSC Senior Scientific Assistant Electronics Model Paper

If You are appearing in UPSC exam for Senior Scientific Assistant (Electronics) post in Directorate General of Aeronautical Quality Assurance (DGAQA), Department of Defence, Ministry of Defence which will be conducting on 29th Jan 2022 at various exam centers and searching the UPSC Senior Scientific Assistant (Electronics) Previous year papers. Then you are at right place. Here we are providing the UPsC Senior Scientific Assistant (Electronics) Model paper on Electronic Measurement And Instrumentation

Which one among the following is NOT a characteristic of measuring device ?
(a) Accuracy
(b) Sensitivity
(c) Dependability
(d) Linearity

Which of the following devices may be used for extending the range of instruments ?
(a) Shunts
(b) Multipliers
(c) Current transofrmers
(d) All of the above

A poteniometer may be used for
(a) Measurement of resistance
(b) Measurement of current
(c) Calibration of voltmeter
(d) All of the above

LVDT is a/an
(a) Capacitance transducer
(b) Resistive transducer
(c) Inductive tranducer
(d) None of them

Capacitance tranducers are normally employed for ________measurement.
(a) Static
(b) Dynamic
(c) Both static and dynamic
(d) Transient

In an open loop control system
(a) output is independent of control input
(b) output is dependent on control input
(c) only system parameters have effect on the control output
(d) None of the above

In closed loop control system with positive value of feedback gain of the system will
(a) Decrease
(b) Increase
(c) Be unaffected
(d) None of the above

Resistance can be measured with the help of
(a) Wattmeter
(b) Voltmeter
(c) Ammeter
(d) Ohmmeter and resistance bridge

Transducer is a device which
(a) transfers a signal from one circuit to other
(b) convert a physical quantity to be measured into equivalent electrical signal
(c) converts ac into dc
(d) amplified a signal for the purpose of measurement

Which of the following is an active tranducer ?
(a) Thermistor
(b) LVDT
(c) Photo transistor
(d) Thermocouple

Which of the following is NOT a pressure measurement tranducer ?
(a) Peizoelectric tranducer
(b) Strain gauge
(c) LVDT
(d) Thermocouple

RTD is
(a) Resistance Temperature Detector
(b) Resistance Transistor Device
(c) Resistance Time Detector
(d) None of the above

What is the unit of strain ?
(a) Ohm/W
(b) A/Ohm
(c) Dimensionless
(d) J/Hz

Current and potential transformers are used to increase the ranges of
(a) a.c ammeter and voltmeter respectively
(b) a.c ammeter and d.c voltmeter respectively
(c) d.c ammeter and voltmeter respectively
(d) d.c ammeter and a.c. vlotmeter respectively