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Electronics and Communication Engineering - Measurements and Instrumentation

Exercise : Measurements and Instrumentation - Section 8
1.

Assertion (A): CRO can be used to study waveshape accurately.

Reason (R): Input impedance of a CRO is very high.

Both A and R are true and R is correct explanation of A
Both A and R are true but R is not correct explanation of A
A is true R is false
A is false R is true
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
LVDT is used to measure
displacement
pressure
temperature
any of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
The scale of PMMC instrument is linear.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.

Assertion (A): Thermistors are commonly used to measure hot spot temperatures in electric machines.

Reason (R): Thermistor has the advantages of high temperature coefficient, small size and high speed of response.

Both A and R are true and R is correct explanation of A
Both A and R are true but R is not correct explanation of A
A is true R is false
A is false R is true
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
Absolute instruments are used in
laboratories
industries
power houses
standard laboratories
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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