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Measurement and Instrumentation

Measurement and Instrumentation
The use of thermocouple meters for AC measurement leads to scale which is

 square law.
 logarithmic.
 linear.
 expontial.

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Measurement and Instrumentation
A pressure measurement instrument is calibrated between 10 bar and 260 bar. The scale span of the instrument is

 260 bar.
 270 bar.
 10 bar.
  250 bar.

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Measurement and Instrumentation
Magnetic deflection is inversely proportional to

 (Voltage)-0.5.
 Voltage.
 (Voltage)1.5.
 (Voltage)2.

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Measurement and Instrumentation
Resistance of a VARISTOR varies with

 Voltage
 Temperature
 Current
 Both Voltage and Temperature

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Measurement and Instrumentation
A 10MHz CRO has

5MHz sweep
10MHz supply frequency
10MHz horizontal oscillator
10MHz vertical oscillator

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Measurement and Instrumentation
A slide wire potentiometer has 10 wires of 1 m each. With the help of a standard voltage source of 1.018 V it is standardised by keeping the jockey at 101.8 cm. If the resistance of the potentiometer wires is 1000 ohm, then the value of the working current will be

 10 mA.
 1mA.
 0.5 mA.
 100 mA.

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MORE MCQ ON Measurement and Instrumentation

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