Measurement and Instrumentation The pointer of an indicating instrument is generally made of _______ Silver Aluminium Soft steel Copper Silver Aluminium Soft steel Copper ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The measurement of a quantity is a comparison of an unknown quantity with another quantity. is a comparison of an unknown quantity with standard. is a comparison of an unknown quantity with known quantity. none of these. is a comparison of an unknown quantity with another quantity. is a comparison of an unknown quantity with standard. is a comparison of an unknown quantity with known quantity. none of these. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The expected value of the voltage across a resistor is 80 V, and the measured value is 79 V. What is the percentage error and relative accuracy of the measurement ? 1.25% & 98.25% 1.5% & 98.75% 1.5% & 99% 1.25% & 98.75% 1.25% & 98.25% 1.5% & 98.75% 1.5% & 99% 1.25% & 98.75% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When using ohmmeter, applied voltage is to be disconnected from the circuit because Voltage source will increase resistance Current will decrease resistance The ohmmeter has its own internal battery None of these Voltage source will increase resistance Current will decrease resistance The ohmmeter has its own internal battery None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The electrical power to a megger is provided by Permanent magnet dc generator Any of the listed here Battery Ac generator Permanent magnet dc generator Any of the listed here Battery Ac generator ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The coil of a moving iron instrument has a resistance of 500 ohm and inductance of 1 H. It reads 250 V when a 250 V DC is applied. It series resistance is 2000 ohms its reading when fed by 250 V, 50 Hz AC will be 260 V. 248 V. 252 V. 250 V. 260 V. 248 V. 252 V. 250 V. ANSWER DOWNLOAD EXAMIANS APP
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