Measurement and Instrumentation No eddy current and hysteresis losses occur in PMMC instruments Electrostatic instruments Electrodynamo meter instruments Moving iron instruments PMMC instruments Electrostatic instruments Electrodynamo meter instruments Moving iron instruments ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Resistances can be measured with the help of Ammeters Ohmmeters and resistance bridges Wattmeters Voltmeters Ammeters Ohmmeters and resistance bridges Wattmeters Voltmeters 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 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. One of the wattmeters will read zero Both give the same readings One of the wattmeter connections will have to be reversed ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An analog ammeter is a controlling instrument. a recording instrument. an indicating instrument. an absolute instrument. a controlling instrument. a recording instrument. an indicating instrument. an absolute instrument. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Consider the following statement - 1. The compensating coil of a low power factor wattmeter compensates the effect of the impedance of the current coil. 2. The compensating coil of a low power factor wattmeter compensates the effect of the impedance of the voltage coil circuit. 1 is true but 2 is false. Both 1 and 2 are true. 1 is false but 2 is true. Both 1 and 2 are false. 1 is true but 2 is false. Both 1 and 2 are true. 1 is false but 2 is true. Both 1 and 2 are false. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil permanent magnet instrument can be used as ______ by using a low resistance shunt. Flux meter Voltmeter Ballastic galvanometer Ammeter Flux meter Voltmeter Ballastic galvanometer Ammeter ANSWER DOWNLOAD EXAMIANS APP
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