Measurement and Instrumentation
A metal strain gauge has a gauge factor of two. Its nominal resistance is 120 ohms. If it undergoes a strain of 10-5, the value of change of resistance in response to the strain is

 120 Ohm.
 240 Ohm.
 0.0012 Ohm.
 0.0024 Ohm.

ANSWER DOWNLOAD EXAMIANS APP

Measurement and Instrumentation
The measurment of very low and very high frequencies is invariably done using a frequency counter in which one of the following?

 Period measurment modes only.
  Period and frequency measurement modes respectively.
 Frequency measurment modes only.
 Frequency and period measurment modes, respectively.

ANSWER DOWNLOAD EXAMIANS APP

Measurement and Instrumentation
Why is a MISC meter not recommended for DC measurement?

The error is high due to eddy current effect
The meter does not respond to DC signals
The error is high due to hysteresis effect
The meter is calibrated for AC and it’s error for DC would be high

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Measurement and Instrumentation