Measurement and Instrumentation If the instrument is to have a wide range, the instrument should have Logarithmic scale Square-law scale Linear scale Exponential scale Logarithmic scale Square-law scale Linear scale Exponential scale ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A metal strain gauge has a gauge factor of two. Its nominal resistance is 120 ohms. If it undergoes a strain of 10-5, the value of change of resistance in response to the strain is 120 Ohm. 0.0012 Ohm. 0.0024 Ohm. 240 Ohm. 120 Ohm. 0.0012 Ohm. 0.0024 Ohm. 240 Ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In eddy current damping, disc or former is made of a material that is a Non conductor and non magnetic Non conductor but magnetic Conductor but non magnetic Conductor but magnetic Non conductor and non magnetic Non conductor but magnetic Conductor but non magnetic Conductor but magnetic 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. + 597 W. + 795 W. - 795 W. - 597 W. + 597 W. + 795 W. - 795 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Assertion(A): A low power factor wattmeter has special constructional features to ensure accurate measurment. Reason(R): Extension of wattmeter range in DC circuit can be easily done by using current and potential transformer Both A and R is true and R is correct explanation of A C. Both A and R is true and R is not correct explanation of A. A is false R is true. A is true R is false. Both A and R is true and R is correct explanation of A C. Both A and R is true and R is not correct explanation of A. A is false R is true. A is true R is false. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure high frequency currents, we mostly use ______ ammeter. Moving iron Dynamometer Thermocouple Hot wire Moving iron Dynamometer Thermocouple Hot wire ANSWER DOWNLOAD EXAMIANS APP
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