Measurement and Instrumentation Piezoelectronic accelerometer Should be used for low frequency. Should be used for high frequencies above 100 Hz. Should use a monitoring source at low input impedance. Has a low natural frequency. Should be used for low frequency. Should be used for high frequencies above 100 Hz. Should use a monitoring source at low input impedance. Has a low natural frequency. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The function of shunt in an ammeter is to By pass the current Increase the resistance of ammeter None of the listed here Increase the sensitivity of the ammeter By pass the current Increase the resistance of ammeter None of the listed here Increase the sensitivity of the ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The total current I = I1 + I2 in a circuit is measured I1 = 150 ± 3A , I2 = 250 ± 4 A, where the limits of error are given as standard deviations. I is measured as (400 ± 1) A (400 ± 3) A (400 ± 2.24) A (400 ±5) A (400 ± 1) A (400 ± 3) A (400 ± 2.24) A (400 ±5) A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the expression for acceleration? Mass x velocity Mass x acceleration Force x displacement Change in velocity / time Mass x velocity Mass x acceleration Force x displacement Change in velocity / time 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. A is true R is false. A is false R is true. Both A and R is true and R is not correct explanation of A. Both A and R is true and R is correct explanation of A C. A is true R is false. A is false R is true. Both A and R is true and R is not correct explanation of A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In induction type ammeter, _____ damping is provided. Eaddy current None of the listed here Fluid friction Air friction Eaddy current None of the listed here Fluid friction Air friction ANSWER DOWNLOAD EXAMIANS APP
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