Measurement and Instrumentation The pointer of an indicating instrument is generally made of _______ Aluminium Silver Copper Soft steel Aluminium Silver Copper Soft steel ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A galvanometer has Eddy current damping Spring coil damping Fluid friction damping Air friction damping Eddy current damping Spring coil damping Fluid friction damping Air friction damping ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In measurement system, the function of the signal manipulating elements is to change the quantity under measurement to an analogues signal. to perform linear operation like addition and multiplication. to perform non liner operation like clipping filtering, chopping and clamping. change the magnitude of the input signal while retaining its identity. change the quantity under measurement to an analogues signal. to perform linear operation like addition and multiplication. to perform non liner operation like clipping filtering, chopping and clamping. change the magnitude of the input signal while retaining its identity. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance of a circuit is measured from the relation R= P/I2, where P is the power fed into the circuit and I is the current flowing through it. If the limiting errors in the measurement of power and current are respectively ± 1.0% and ± 1.0%, then what will be the limiting error in measurement of resistance ? ±0.5% ± 3.0% ± 1.5% ±3.5% ±0.5% ± 3.0% ± 1.5% ±3.5% 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 A is true R is false. A is false R is true. 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 true R is false. A is false R is true. 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. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An oscilloscope indicates RMS value DC value of voltage Average value Peak to peak value of voltage RMS value DC value of voltage Average value Peak to peak value of voltage ANSWER DOWNLOAD EXAMIANS APP
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