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Measurement and Instrumentation

Measurement and Instrumentation
What are the SI units of mass, length and time respectively?

 kg, cm and s.
 g, m and s.
 g, cm and s.
 kg, m and s.

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Measurement and Instrumentation
The thermocouple instrument will measure

Flux
Current
None of these
Voltage

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Measurement and Instrumentation
A moving coil ammeter has a uniform scale with 50 division and gives a full scale reading 10 A. The instrument can read up to (1/5)th of a scale division with a fair degree of certainty. What is the resolution of the instrument in mA?

 80 mA.
 50 mA.
  40 mA.
 25 mA.

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Measurement and Instrumentation
Which of the following is a variable displacement transducer?

None of these
 synchros
 tachometer
 potentiometer

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Measurement and Instrumentation
It is found that 10A current passes through a resistor of 10°hms. The resistor has 5% tolerance . The error in measurement of current can be as high as 5%. What is max error in measurement of power, calculated from measured value of I and the nominal value of resistor?

200W
50W
150W
100W

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Measurement and Instrumentation
The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100°hm. If this meter is to have full deflection at 5A, what is the value of the shunt resistance to be used?

1/49.99 ohms
2 Ohms
49.99 Ohms
1 Ohm

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