Electrical strain gauge works on the principle of
A) variation of resistance
B) variation of capacitance
C) variation of inductance
D) variation of area
Correct Answer:
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Q3: Various adjustments in an energy meter include
A)light
Q4: Dipsticks are used for the
A)pressure measurement
B)flow measurement
C)displacement
Q5: In ultrasonic level gauge, the ultrasonic source
Q6: What is the principle of operation of
Q7: LVDT used for measurement of
A)temperature
B)displacement measurement
C)resistance
D)voltage
Q9: Commonly used elements for wire strain gauges
Q10: C.R.O gives
A)actual representation
B)visual representation
C)approximate representation
D)incorrect representation
Q11: CRO is a
A)fast x-y plotter
B)slow x-y plotter
C)medium
Q12: Gauge factor in a strain gauge must
Q13: Strain gauge measurement involves
A)wheatstone bridge
B)kelvin bridge
C)de sauty's
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