Measurement and Instrumentation The use of __________________ instruments is merely confined within laboratories as standardizing instrument. integrating. absolute. indicating. recording. integrating. absolute. indicating. recording. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Relative permittivity can be measured by _______ bridge Hays. Wheatstones. Desautys. Schering. Hays. Wheatstones. Desautys. Schering. 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 small. very high. high. ideally zero. small. very high. high. ideally zero. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation One single phase wattmeter operating on 230V and 5A for 5 hours makes 1940 revolutions. Meter constant in revolutions is 400. What is the power factor of the land? 0.73 1 0.65 0.84 0.73 1 0.65 0.84 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For a circuit given that I = 2 ± 5 % A, R = 100 ± 0.2 % Ω the limiting error in the power dissipation I2 R in the resistor R is 25.2% 1.2% 10.2% 5.2% 25.2% 1.2% 10.2% 5.2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation How many fundamental units are there ? 6 4 7 8 6 4 7 8 ANSWER DOWNLOAD EXAMIANS APP