Measurement and Instrumentation What is the expression for acceleration? Force x displacement Mass x velocity Change in velocity / time Mass x acceleration Force x displacement Mass x velocity Change in velocity / time Mass x acceleration ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A metal strain gauge has a gauge factor of two. Its nominal resistance is 120 ohms. If it undergoes a strain of 10-5, the value of change of resistance in response to the strain is 240 Ohm. 0.0012 Ohm. 120 Ohm. 0.0024 Ohm. 240 Ohm. 0.0012 Ohm. 120 Ohm. 0.0024 Ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The pressure coil of a wattmeter should be connected on the supply side of the current coil when Supply voltage is low None of these Load impedance is low Load impedance is high Supply voltage is low None of these Load impedance is low Load impedance is high ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following is not correct? A shunt should have a very low resistance. An electronic voltmeter draw appreciable current from the source. An ammeter should have a very low resitance. Voltmeter should have very high resistance. A shunt should have a very low resistance. An electronic voltmeter draw appreciable current from the source. An ammeter should have a very low resitance. Voltmeter should have very high resistance. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In two wattmeter method of power measurement if the total power is measured by one wattmeter only then power factor of the system is 1. none of above. 0. 0.5. 1. none of above. 0. 0.5. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation How many fundamental units are there ? 7 4 8 6 7 4 8 6 ANSWER DOWNLOAD EXAMIANS APP
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