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Measurement and Instrumentation

Measurement and Instrumentation
PMMC Instrument can be used for

Both AC and DC
None of the listed here
AC work only
DC work only

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Measurement and Instrumentation
With a sweep time 10ms across the screen the approx. horizontal sawtooth frequency will be

100Hz
50Hz
500Hz
1kHz

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Measurement and Instrumentation
On a simple ohmmeter, the 0 Ω mark is _______ of the scale.

None of the listed here
In the middle
Far left
Far right

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Measurement and Instrumentation
The circuit in figure is used to measure the power consumed by the load. The current coil and the voltage coil of the wattmeter have 0.02 Ω and 1000 Ω resistance respectively. The measured power compared to the load power will be

 0.2% less.
 0.4% less.
 0.4 more.
 0.2% more.

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Measurement and Instrumentation
For the AC bridge circuit shown in figure at balance the value of Rd will be

 (Rc/Ra).Rb.
 (Rb/Rc).Ra.
 (Ra/Rc).Rb.
 (Rc/Rb).Ra.

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Measurement and Instrumentation
The inductance of a certain moving iron ammeter is expressed as L = 2+5θ-θ2 µH. The control spring torque is 2 × 10-6 Nm/radian. Find the deflection in radians for a current of 2A.

 4
 2
 1
 5

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MORE MCQ ON Measurement and Instrumentation

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