Measurement and Instrumentation What is the approximate input impedance of a CRO? 0 100 MΩ 1 MΩ 10 MΩ 0 100 MΩ 1 MΩ 10 MΩ ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Direct method is used to measure Length Pressure Voltage Temperature Length Pressure Voltage Temperature ANSWER DOWNLOAD EXAMIANS APP
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 The two pressure coils of a single phase power factor meter have The same dimension but different number of turns None of these The same dimensions and the same number of turns The same number of turns but different dimensions The same dimension but different number of turns None of these The same dimensions and the same number of turns The same number of turns but different dimensions ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is postioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is 200 Nm. 100 Nm. 1 Nm. 2 Nm. 200 Nm. 100 Nm. 1 Nm. 2 Nm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The meter constant of an energy meter is 1500 rev/kWh, the disc makes 3000 revolution in a given time. The energy consumed is 1 kWh 2 kWh 4 kWh 3 kWh 1 kWh 2 kWh 4 kWh 3 kWh ANSWER DOWNLOAD EXAMIANS APP
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