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ESE 2019 Technical (Measurements: Quiz 1)

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Question 1

Inductance of a coil having Q value in the range of (1< Q< 10), can be measured by using

Question 2

Positive displacement flowmeter mainly concerns with the:

Question 3

A voltage is generated across a piezoelectric material, 0.5 cm thick, subjected to an impact of 5 N/m2. The voltage coefficient of the material is 23 kV-m/N. The magnitude of the voltage generated will be

Question 4

The advantages of an LVDT is/are
1) Linearity
2) Infinite resolution
3) Low Hysteresis
Which of the above advantages is/are correct?

Question 5

A single even parity check bit in telemetry data transmission has which capability?

Question 6

Which is the most suitable thermocouple transducer for the measurement of temperature in the range of 1300 °C to 1500 °C?

Question 7

A strain gauge with a nominal resistance of 120 Ω and gauge factor of 2 undergoes a strain of 10-5. What is the change in resistance in response to the strain?

Question 8

Match List-i (Thermocouple) with List-ii (Temperature range) and select the correct answer using the code given below the lists:
List-i
A- Copper constantan
B- (Platinum Rhodium)-Platinum
C- (Rhodium-Indium)-Indium
D- Iron-constantan
List-ii
1. -200 to +850
2. -200 to +350
3. 0 to1000
4. 1200 to 2000
Codes:
A B C D

Question 9

Assertion (A): A thermocouple is an active component.
Reason (R): It is activated by a temperature gradient.

Question 10

Assertion (A): Effect of frequency on calibration is also due to spurious capacitive currents.
Reason (R): Spurious capacitive current does not occur in thermocouple instruments.
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May 17ESE & GATE EC