Exercise: Measurements And Instrumentation

Questions for: Measurements And Instrumentation

Watthour meter is an integrating instrument
A:
True
B:
False
C:
D:
Answer: A
No answer description is available. Let's discuss.
The instrument used to check insulation of household wiring is
A:
megger
B:
ohmmeter
C:
multimeter
D:
high resistance voltmeter
Answer: A
No answer description is available. Let's discuss.
Which of these instruments is dynamometers type?
A:
Wattmeter
B:
Power factor meter
C:
Frequency meter
D:
Both (a) and (b)
Answer: D
No answer description is available. Let's discuss.
Magnetic effect of current is used in
A:
ammeters
B:
voltmeters
C:
wattmeters
D:
ammeters, voltmeters, wattmeters and energy meters
Answer: D
No answer description is available. Let's discuss.
In figure the output V0 is
A:
2V1 + V2 - 2V3
B:
2(V1 + V2) - V3
C:
V1 + V2 + V3
D:
V1 + 2V2 - V3
Answer: A
No answer description is available. Let's discuss.
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