Measurement and Instrumentation An analog ammeter is an indicating instrument. an absolute instrument. a recording instrument. a controlling instrument. an indicating instrument. an absolute instrument. a recording instrument. a controlling instrument. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Kelvin’s double bridge is used to measure low resistance because there is no thermo electric emf. it has high sensitivity. effect of contact and lead resistance is eliminated. resistance variation due to temperature. there is no thermo electric emf. it has high sensitivity. effect of contact and lead resistance is eliminated. resistance variation due to temperature. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The effect of load resistance is important in measurement of resistance of shunt. resistance of shunt winding. resistance of ammeter. both A and B. resistance of shunt. resistance of shunt winding. resistance of ammeter. both A and B. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For power measurement of three phase circuit by two wattmeter method, when the value of power factor is less than 0.5 lagging One of the wattmeters will read zero Both give the same readings One of the wattmeter connections will have to be reversed Pressure coil of the wattmeter will become ineffective. One of the wattmeters will read zero Both give the same readings One of the wattmeter connections will have to be reversed Pressure coil of the wattmeter will become ineffective. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The smallest change in measured variable to which instrument will respond is accuracy. resolution. sensitivity. precision. accuracy. resolution. sensitivity. precision. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measurement of high direct voltage, one would use _____ voltmeter. Electrostatic PMMC Moving iron Hot wire Electrostatic PMMC Moving iron Hot wire ANSWER DOWNLOAD EXAMIANS APP
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