Measurement and Instrumentation An average reading digital multimeter reads 10 V when fed a triangular wave, symmetric about the axis. For the same input, an rms reading meter will read 20. 20√3. 10√3. 10. 20. 20√3. 10√3. 10. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a wheatstone bridge, a change of 6 Ω in the unknown arm of bridge is required to produce a change in deflection of 2.4 mm of the galvanometer. The sensitivity is 0.4 mm/Ω 5.0 mm/Ω 0.8 mm/Ω 2.5 mm/Ω 0.4 mm/Ω 5.0 mm/Ω 0.8 mm/Ω 2.5 mm/Ω ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The terminals across the source are ______________________________ if a current source is to be neglected. replaced by a capacitor short circuited replaced by a source resistance open circuited replaced by a capacitor short circuited replaced by a source resistance open circuited ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A thermometer having first order dynamics is subjected to a sudden temperature change of 30oc to 150oc. If it has he time constant of 5 sec, what temperature will be indicated by after 5 sec? 30o. 105.6o. 63.25o. 150o. 30o. 105.6o. 63.25o. 150o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A single phase load is connected between R and Y terminals of a 415 V, symmetrical, 3-phase, 4 wire system with phase sequence RYB. A wattmeter is connected in the system as shown in figure. The power factor of the load is 0.8 lagging. The wattmeter will read - 597 W. + 795 W. - 795 W. + 597 W. - 597 W. + 795 W. - 795 W. + 597 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following meter is most suitable for measuring radio frequency currents? Moving - iron meter. Thermocouple meter. Moving - coil meter. VTVM. Moving - iron meter. Thermocouple meter. Moving - coil meter. VTVM. ANSWER DOWNLOAD EXAMIANS APP
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