Measurement and Instrumentation Which of following are needed both for protection and metering? Energy meter. Instrument transformer. Wattmeters. Power factor meters. Energy meter. Instrument transformer. Wattmeters. Power factor meters. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following devices should be used for accurate measurement of low D.C. voltage? Small range moving coil voltmeter None of these C. potentiometer Small range thermocouple voltmeter Small range moving coil voltmeter None of these C. potentiometer Small range thermocouple voltmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the name of physical quantities which are independent of each other? Numerical quantity None of these Derived quantity Fundamental quantity Numerical quantity None of these Derived quantity Fundamental quantity ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following quantities consists of S.I. unit as Hertz? Frequency Charge Power Force Frequency Charge Power Force 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 2 kWh 3 kWh 1 kWh 4 kWh 2 kWh 3 kWh 1 kWh 4 kWh ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The measurement of a quantity is a comparison of an unknown quantity with standard. is a comparison of an unknown quantity with known quantity. is a comparison of an unknown quantity with another quantity. none of these. is a comparison of an unknown quantity with standard. is a comparison of an unknown quantity with known quantity. is a comparison of an unknown quantity with another quantity. none of these. ANSWER DOWNLOAD EXAMIANS APP
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