Measurement and Instrumentation Two capacitance, C1 = 150 ± 2.4µF and C2 = 120 ± 1.5 µF are connected in parallel. What is the limiting error of the resultant capacitance C (in µF) ? 0.9µF 3.9µF 1.5µF 2.4µF 0.9µF 3.9µF 1.5µF 2.4µF ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A single phase load is connected between R and Y terminals of a 415 V, symmetrical, 3-phase, 4 wire system with phase sequence RYB. A wattmeter is connected in the system as shown in figure. The power factor of the load is 0.8 lagging. The wattmeter will read - 795 W. + 795 W. - 597 W. + 597 W. - 795 W. + 795 W. - 597 W. + 597 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The best type of meter moment is ______ moment. Iron- vane D'Arsonval None of the listed here Dynamometer Iron- vane D'Arsonval None of the listed here Dynamometer 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% ± 3.4% ± 1% ± 2.4% ± 1.4% ± 3.4% ± 1% ± 2.4% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Wagner earthing device is used to eliminate errors due to Both A and B Electrostatic coupling None of these Electromagnetic coupling Both A and B Electrostatic coupling None of these Electromagnetic coupling ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Jewels are used in instruments for the purpose of Suppressing noise Bearing Torque control Damping Suppressing noise Bearing Torque control Damping ANSWER DOWNLOAD EXAMIANS APP