Measurement and Instrumentation The errors mainly caused by human mistakes are observational error. gross error. instrumental error. systematic error. observational error. gross error. instrumental error. systematic error. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Deflection method direct measurements are most widely used as these are most accurate. most simple. most simple and least time consuming. least time consuming. most accurate. most simple. most simple and least time consuming. least time consuming. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following are integrating instruments? Voltmeters Ampere hour and watt hour meters Wattmeters Ammeters Voltmeters Ampere hour and watt hour meters Wattmeters Ammeters 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 0.5. 0. 1. none of above. 0.5. 0. 1. none of above. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In figure Z1 = 200∠60° ohm. Z2 = 400∠-90° ohm, Z3 = 300∠0° ohm. Then Z4 for bridge to be balanced is 150∠30° ohm. 300∠90° ohm. 400∠-90° ohm. 600∠-150° ohm. 150∠30° ohm. 300∠90° ohm. 400∠-90° ohm. 600∠-150° ohm. 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. ideally zero. very high. high. small. ideally zero. very high. ANSWER DOWNLOAD EXAMIANS APP
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