Measurement and Instrumentation Which meter is suitable for the measurement of 10mV at 50MHz? CRO Moving coil voltmeter VTVM Moving iron voltmeter CRO Moving coil voltmeter VTVM Moving iron voltmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a moving iron meter, the deflecting torque is proportional to Sine of the measurand Current through the coil Square of the current through the coil Squareroot of the measurand Sine of the measurand Current through the coil Square of the current through the coil Squareroot of the measurand ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When the pointer of an indicating instrument comes to rest in the final deflected position, ______ Only controlling torque acts Only deflecting torque acts None of the listed here Both deflecting and controlling torques act Only controlling torque acts Only deflecting torque acts None of the listed here Both deflecting and controlling torques act ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When testing a coil having a resistance of 10 ohms, resonance occurred when the oscillator frequency was 10 MHz and rotating capacitor was set at 500/2π pF. The effective value of the Q of the coil is 54.2. 25.4. 31.4. 20. 54.2. 25.4. 31.4. 20. 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 Both give the same readings Pressure coil of the wattmeter will become ineffective. One of the wattmeter connections will have to be reversed One of the wattmeters will read zero Both give the same readings Pressure coil of the wattmeter will become ineffective. One of the wattmeter connections will have to be reversed One of the wattmeters will read zero ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In measurement system, the function of the signal manipulating elements is to to perform linear operation like addition and multiplication. to perform non liner operation like clipping filtering, chopping and clamping. change the magnitude of the input signal while retaining its identity. change the quantity under measurement to an analogues signal. to perform linear operation like addition and multiplication. to perform non liner operation like clipping filtering, chopping and clamping. change the magnitude of the input signal while retaining its identity. change the quantity under measurement to an analogues signal. ANSWER DOWNLOAD EXAMIANS APP
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