Measurement and Instrumentation The EMF of Weston standard cell is measured using Digital Volt meter Potentiometer Moving-coil meter Moving- iron meter Digital Volt meter Potentiometer Moving-coil meter Moving- iron meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC potentiometer is designed to measure up to about 2V with a slide wire of 800 mm. A standard cell of emf 1.18 V obtains balances at 600 mm. A test cell is seen to obtain balance at 680 mm. The emf of test cell is 1.7 V. 1.5 V. 1 V. 1.34 V. 1.7 V. 1.5 V. 1 V. 1.34 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation One single phase wattmeter operating on 230V and 5A for 5 hours makes 1940 revolutions. Meter constant in revolutions is 400. What is the power factor of the land? 0.84 0.73 1 0.65 0.84 0.73 1 0.65 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the quantity consists of unit as kg m/sec ? Acceleration Speed Impulse Momentum Acceleration Speed Impulse Momentum ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An instrument to be used for measurement and control should preferably have Linear output and fast response Dead zone and dead time Non-linear output A highly damped response Linear output and fast response Dead zone and dead time Non-linear output A highly damped response ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A null type instrument as compared to a deflected type instrument has a faster response. All of these a higher accuracy. a lower sensitivity. a faster response. All of these a higher accuracy. a lower sensitivity. ANSWER DOWNLOAD EXAMIANS APP
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