Measurement and Instrumentation The thermocouple instruments do not have Absence of frequency error Independence of ambient temperature High sensitivity High degree of measuring accuracy Absence of frequency error Independence of ambient temperature High sensitivity High degree of measuring accuracy 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 + 597 W. - 795 W. + 795 W. - 597 W. + 597 W. - 795 W. + 795 W. - 597 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The maximum percentage error in the sum of two voltage measurements when V1 = 100V ± 1% and V2 = 80V ± 5% is ± 4% ± 3% ± 2.8% ± 6% ± 4% ± 3% ± 2.8% ± 6% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A set of independent current measurements taken by four observers was recorded as : 117.02 mA, 117.11 mA, 117.08 mA and 117.03 mA. What is the range of error ? ± 0.065 ± 0.045 ± 0.054 ± 0.056 ± 0.065 ± 0.045 ± 0.054 ± 0.056 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The calibration of a voltmeter can be carried out by using An ammeter. A function generator. A potentiometer. A frequency meter. An ammeter. A function generator. A potentiometer. A frequency meter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A galvanometer has Fluid friction damping Spring coil damping Air friction damping Eddy current damping Fluid friction damping Spring coil damping Air friction damping Eddy current damping ANSWER DOWNLOAD EXAMIANS APP
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