Measurement and Instrumentation Electrostatic instruments are normally used for High voltage measurements Low current measurements High current measurements Low voltage measurements High voltage measurements Low current measurements High current measurements Low voltage measurements ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Relative permittivity can be measured by _______ bridge Schering. Hays. Desautys. Wheatstones. Schering. Hays. Desautys. Wheatstones. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors introduced by an instrument fall in which category ? Gross errors Systematic errors Environmental errors Random errors Gross errors Systematic errors Environmental errors Random errors ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A spring-controlled moving iron voltmeter draws a current of 1 mA for full scale value of 100V. If it draws a current of 0.5 mA, the meter reading is 25 V. 200 V. 50 V. 100 V. 25 V. 200 V. 50 V. 100 V. 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. Voltmeter having a resistance of 5 ΩK. None of above. Voltmeter having sensitivity of 10 KW/V. Voltmeter having sensitivity of 1 KW/V. Voltmeter having a resistance of 5 ΩK. None of above. Voltmeter having sensitivity of 10 KW/V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Why is a MISC meter not recommended for DC measurement? The error is high due to hysteresis effect The meter does not respond to DC signals The error is high due to eddy current effect The meter is calibrated for AC and it’s error for DC would be high The error is high due to hysteresis effect The meter does not respond to DC signals The error is high due to eddy current effect The meter is calibrated for AC and it’s error for DC would be high ANSWER DOWNLOAD EXAMIANS APP
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