Measurement and Instrumentation The watt hour meter is ______ instrument. An indicating A transfer An integrating A recording An indicating A transfer An integrating A recording ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation ______ instruments are most sensitive. Moving iron Permanent magnet moving coil Dynamometer Hot wire Moving iron Permanent magnet moving coil Dynamometer Hot wire ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The quantity 1/√(∈0 × μ0) in SI units has the dimension LT-1. none of these. both ‘a’ and ‘b’. speed of light. dimension LT-1. none of these. both ‘a’ and ‘b’. speed of light. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following devices should be used for accurate measurement of low D.C. voltage? C. potentiometer None of these Small range thermocouple voltmeter Small range moving coil voltmeter C. potentiometer None of these Small range thermocouple voltmeter Small range moving coil voltmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors mainly caused by human mistakes are instrumental error. gross error. systematic error. observational error. instrumental error. gross error. systematic error. observational error. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation PMMC type instruments normally use Air friction damping Eddy current damping None of these Fluid friction damping Air friction damping Eddy current damping None of these Fluid friction damping ANSWER DOWNLOAD EXAMIANS APP