Measurement and Instrumentation Which devices used to measure the temperature of an object ? Poteintiometer Thermometers Galvanometer Odometer Poteintiometer Thermometers Galvanometer Odometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors introduced by an instrument fall in which category ? Systematic errors Random errors Environmental errors Gross errors Systematic errors Random errors Environmental errors Gross errors 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. + 597 W. + 795 W. - 597 W. - 795 W. + 597 W. + 795 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation ______ instruments are most sensitive. Dynamometer Moving iron Permanent magnet moving coil Hot wire Dynamometer Moving iron Permanent magnet moving coil Hot wire ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the expression for momentum? force × displacement change of velocity / time mass × acceleration mass × velocity force × displacement change of velocity / time mass × acceleration mass × velocity ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When a potentiometer is used for measurement of voltage of an unknown source, the power consumed in the circuit of the unknown source under null condition is high. small. very high. ideally zero. high. small. very high. ideally zero. ANSWER DOWNLOAD EXAMIANS APP
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