Measurement and Instrumentation Which of following are needed both for protection and metering? Instrument transformer. Energy meter. Power factor meters. Wattmeters. Instrument transformer. Energy meter. Power factor meters. Wattmeters. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following voltmeters would you use for measuring voltage across 20KΩ resistance Voltmeter having sensitivity of 1 KW/V. None of above. Voltmeter having sensitivity of 10 KW/V. Voltmeter having a resistance of 5 ΩK. Voltmeter having sensitivity of 1 KW/V. None of above. Voltmeter having sensitivity of 10 KW/V. Voltmeter having a resistance of 5 ΩK. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Figure show an RC potentiometer to measure AC voltage. It is desire that Vo/Vi should be independent of frequency. The value of C shoud be 0.09 µF. 10 µF. 0.1 µF. 11 µF. 0.09 µF. 10 µF. 0.1 µF. 11 µF. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Two voltmeters have the same range 0-400V. The internal impedance are 30,000 Ohms and 20,000 Ohms. If they are connected in series and 600V be applied across them, the readings are 400V and 200V One of the meters out of the range and other 100V 360V and 240V 300V each 400V and 200V One of the meters out of the range and other 100V 360V and 240V 300V each ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Resistances can be measured with the help of Wattmeters Voltmeters Ammeters Ohmmeters and resistance bridges Wattmeters Voltmeters Ammeters Ohmmeters and resistance bridges ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A spring controlled indicating instrument has a deflection of 90deg for maximum current I. The corresponding deflection for a gravity controlled instrument is 0° 120° 30° 90° 0° 120° 30° 90° ANSWER DOWNLOAD EXAMIANS APP