Measurement and Instrumentation A PMMC voltmeter is connected across a series combination of a DC voltage source V1 = 2 V and an AC voltage source V2 = 3sin4t, the voltmeters reads (2 + √3/2)V. 2 V. 5 V. 0 V. (2 + √3/2)V. 2 V. 5 V. 0 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An instrument to be used for measurement and control should preferably have Dead zone and dead time Linear output and fast response A highly damped response Non-linear output Dead zone and dead time Linear output and fast response A highly damped response Non-linear output ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When using ohmmeter, applied voltage is to be disconnected from the circuit because Current will decrease resistance None of these Voltage source will increase resistance The ohmmeter has its own internal battery Current will decrease resistance None of these Voltage source will increase resistance The ohmmeter has its own internal battery ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A potentiometer may be used for All of the listed here Measurrment of resistance Measurement of current Calibration of ammeter All of the listed here Measurrment of resistance Measurement of current Calibration of ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The spring material used in a spring control device should have the following property. Most be of low temperature co-efficient Should have low specific resistance Should non magnetic All of the listed here Most be of low temperature co-efficient Should have low specific resistance Should non magnetic All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A resistance of 105 ohms is specified using significant figures as indicated below : 1. 105 ohms 2. 105.0 ohms 3. 0.000105 mega ohms Among these, 1 represents greater precision than 2 and 3. 2 represents greater precision but 1 and 3 represent same precision. 1, 2 and 3 represent same precision. 2 and 3 represent greater precision than 1. 1 represents greater precision than 2 and 3. 2 represents greater precision but 1 and 3 represent same precision. 1, 2 and 3 represent same precision. 2 and 3 represent greater precision than 1. ANSWER DOWNLOAD EXAMIANS APP
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