Measurement and Instrumentation The errors introduced by an instrument fall in which category ? Random errors Systematic errors Gross errors Environmental errors Random errors Systematic errors Gross errors Environmental errors ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A galvanometer with a full scale current of 10 mA has a resistance of 1000 Ω. The multiplying power (the ratio of measured current to galvanometer current) of 100 Ω shunt with this galvanometer is 10. 110. 100. 11. 10. 110. 100. 11. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A voltmeter has 100 scale divisions and can measure up to 100 V. Each division can be read to ½ division. The resolution of the voltmeter is 1 V 0.5 V 2 V 1.5 V 1 V 0.5 V 2 V 1.5 V 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 4 kWh 2 kWh 3 kWh 1 kWh 4 kWh 2 kWh 3 kWh ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The electrical power to a megger is provided by Any of the listed here Ac generator Permanent magnet dc generator Battery Any of the listed here Ac generator Permanent magnet dc generator Battery ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Potentiometer method of DC voltage measurement is more accurate than direct measurement using a voltmeter because It does not load the circuit at all. It loads the circuit moderately. It uses centre zero galvanometer instead of voltmeter. It loads the circuit to maximum extent. It does not load the circuit at all. It loads the circuit moderately. It uses centre zero galvanometer instead of voltmeter. It loads the circuit to maximum extent. ANSWER DOWNLOAD EXAMIANS APP