Measurement and Instrumentation Comparison methods are used because they are expensive. because they are most simple. because they take least time in measurement. when a high accuracy of measurement is required. because they are expensive. because they are most simple. because they take least time in measurement. when a high accuracy of measurement is required. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation ______ movement is most expensive. Dynamometer D'Arsonval movement None of the listed here Moving iron Dynamometer D'Arsonval movement None of the listed here Moving iron ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following devices should be used for accurate measurement of low D.C. voltage? C. potentiometer None of these Small range moving coil voltmeter Small range thermocouple voltmeter C. potentiometer None of these Small range moving coil voltmeter Small range thermocouple voltmeter 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. + 597 W. + 795 W. - 597 W. - 795 W. + 597 W. + 795 W. - 597 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A PMMC voltmeter is connected across a series combination of a DC voltage source V1 = 2 V and an AC voltage source V2 = 3sin4t, the voltmeters reads 5 V. (2 + √3/2)V. 0 V. 2 V. 5 V. (2 + √3/2)V. 0 V. 2 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When checked with an ohm meter an open resistor reads infinite. high but within tolerance. low but not zero. zero. infinite. high but within tolerance. low but not zero. zero. ANSWER DOWNLOAD EXAMIANS APP