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MEASUREMENT AND INSTRUMENTATION QUIZ

A current of is measured with a thermocouple, 5 A full scale meter. What is the meter reading?

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

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The resistance of a circuit is found by measuring current flowing and the power fed into the circuit. If the limiting errors in the measurement of power and current are ± 1.5% and ± 1.0% respectively, the limiting error in the measurement of resistance

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When checked with an ohm meter an open resistor reads

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PMMC Instrument can be used for

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

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In AC circuits, the connection of measuring instruments cause loading effect errors which may effect

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Which devices used to measure the temperature of an object ?

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A spring controlled indicating instrument has a deflection of 90deg for maximum current I. The corresponding deflection for a gravity controlled instrument is

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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

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