Measurement and Instrumentation An electric pyrometer is an instrument used to measure Frequency Phase None of the listed here High temperatures Frequency Phase None of the listed here High temperatures ANSWER DOWNLOAD EXAMIANS APP
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 1mA. 10 mA. 100 mA. 0.5 mA. 1mA. 10 mA. 100 mA. 0.5 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure 5 volts, if one selects a 0-100 volt range voltmeter which is accurate with in ± 1%, then the error in this measurement may be up to ± 20% ± 7.5 % ± 1.5% ± 2.5% ± 20% ± 7.5 % ± 1.5% ± 2.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The coil of a moving coil meter has 100 turns, is 40 mm long and 30 mm wide. The control torque is 240×10-6 N-m on full scale. If magnetic flux density is 1Wb/m2 range of meter is 2 mA. 1 mA. 4 mA. 3 mA. 2 mA. 1 mA. 4 mA. 3 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A resistance is measured by the voltmeter-ammeter method employing dc excitation and a voltmeter of very high resistance connected directly across the unknown resistance. If the voltmeter and ammeter reading are subject to maximum possible errors of ± 2.4 % and ± 1.0 % respectively, then the magnitude of the maximum possible percentage error in the value of resistance deduced from the measurement is nearly ± 1.4% ± 2.4% ± 3.4% ± 1% ± 1.4% ± 2.4% ± 3.4% ± 1% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The material of the shunt should have _______ temperature co-efficient of resistance. None of the listed here Negative Positive Negligible None of the listed here Negative Positive Negligible ANSWER DOWNLOAD EXAMIANS APP