Measurement and Instrumentation A megger is usually Electro-static type instrument Moving iron type instrument Hot-wire type instrument Moving coil type instrument Electro-static type instrument Moving iron type instrument Hot-wire type instrument Moving coil type instrument ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which wave has the least form factor? Sine wave Triangular wave Square wave Rectangular wave Sine wave Triangular wave Square wave Rectangular wave 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? 0.65 0.73 1 0.84 0.65 0.73 1 0.84 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 0.0024 Ohm. 0.0012 Ohm. 240 Ohm. 120 Ohm. 0.0024 Ohm. 0.0012 Ohm. 240 Ohm. 120 Ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The difference between the indicated value and the true value of a quantity is Absolute error Gross error Relative error Dynamic error Absolute error Gross error Relative error Dynamic error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure ac as well as dc power, we use None of the listed here Induction wattmeter Sometimes induction and sometimes dynamometer wattmeter Dynamometer wattmeter None of the listed here Induction wattmeter Sometimes induction and sometimes dynamometer wattmeter Dynamometer wattmeter ANSWER DOWNLOAD EXAMIANS APP
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