Measurement and Instrumentation The transfer instrument which is used for standardization of a polar type AC potentiometer is an electrostatic instrument. a moving coil instrument. a dynamometer instrument. a thermal instrument. an electrostatic instrument. a moving coil instrument. a dynamometer instrument. a thermal instrument. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC A-h meter is rated for 15 A, 250 V. The meter constant is 14.4 A-sec/rev. The meter constant at rated voltage may be expressed as 1000 rev/KWh. 960 rev/KWh. 3600 rev/KWh. 3750 rev/KWh. 1000 rev/KWh. 960 rev/KWh. 3600 rev/KWh. 3750 rev/KWh. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the unit of plane angle? Steradian Candela Radian Degree Steradian Candela Radian Degree ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The circuit in figure is used to measure the power consumed by the load. The current coil and the voltage coil of the wattmeter have 0.02 Ω and 1000 Ω resistance respectively. The measured power compared to the load power will be 0.2% less. 0.4% less. 0.4 more. 0.2% more. 0.2% less. 0.4% less. 0.4 more. 0.2% more. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which one of the following meters has maximum loading effect on the circuit under measurement ? 1000 Ω/volt 100 Ω/volt 1 MΩ/volt 10 MΩ/volt 1000 Ω/volt 100 Ω/volt 1 MΩ/volt 10 MΩ/volt ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The dynamometer principle can be used for wattmeter only. ammeter, voltmeter and wattmeter. ammeter only. voltmeter only. wattmeter only. ammeter, voltmeter and wattmeter. ammeter only. voltmeter only. ANSWER DOWNLOAD EXAMIANS APP