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ESE EC : Measurements & Instrumentation Champion Quiz 5

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Question 1

A piezoelectric transducer is a voltage source of 10V with an internal impedance of 10 MΩ. It is connected to a digital oscilloscope with an input impedance of 10 MΩ directly. What is the voltage measured by the oscilloscope?

Question 2

Which one of the following statements is correct?

Question 3

The piezoelectric crystal voltage sensitivity is defined as

Question 4

OTDR is the acronym for

Question 5

Which one of the following is the most sensitive device?

Question 6

Which one of the following is used to measure temperature inside a boiler furnace?

Question 7

Variation of which of the following parameters is related to the level change in the measurement of liquid level using two parallel metal rods immersed in a liquid tank?

Question 8

Which one of the following in simple elemental forms is not a pressure sensor?

Question 9

Match List-i (Transducer) with List-ii (Measured Quantity) and select the correct answer using the code given below the Lists:
List-i List-ii
A- Hall Effect pick up 1. Pressure
B- Piezoelectric pick up 2. Velocity of a fluid
C- Hot-wire anemometer 3. Flow rate
D- Rotameter 4. Current

Codes:
A B C D

Question 10

The working principle of a Pirani gauge pressure transducer is based on which one of the following?

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ESE & GATE EC Electrical & Electronics Measurements

May 17ESE & GATE EC