In ultrasonic level gauge, the ultrasonic source is placed at the
A) bottom of the vessel containing the liquid
B) top of the vessel containing the liquid
C) middle of the vessel containing the liquid
D) far from the vessel containing the liquid
Correct Answer:
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Q1: The adjustment of position of shading bands,
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Q3: Various adjustments in an energy meter include
A)light
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A)pressure measurement
B)flow measurement
C)displacement
Q6: What is the principle of operation of
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A)temperature
B)displacement measurement
C)resistance
D)voltage
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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
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