Measurement and Instrumentation The pointer of an indicating instrument is generally made of _______ Silver Aluminium Soft steel Copper Silver Aluminium Soft steel Copper ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving iron ammeter produces a full scale torque of 240 μNm with a deflection of 120° at a current of 10 A. The rate of change of self induction (μH/radian) of the instrument at full scale is 2.0 μH/radian. 4.8 μH/radian. 12.0 μH/radian. 114.6 μH/radian. 2.0 μH/radian. 4.8 μH/radian. 12.0 μH/radian. 114.6 μH/radian. 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 ? ± 1.5% ±0.5% ±3.5% ± 3.0% ± 1.5% ±0.5% ±3.5% ± 3.0% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A ______ device prevents the oscillation of the moving statem and enables the latter to reach its final position quickly Controlling None of the listed here Deflecting Damping Controlling None of the listed here Deflecting Damping ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In induction type ammeter, _____ damping is provided. Fluid friction Eaddy current Air friction None of the listed here Fluid friction Eaddy current Air friction None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A thermo couple ammeter gives full scale deflection of 10 A, when it reads one fifth of the scale, the current will be 2 A. 4 A. 4.47 A. 5.78 A. 2 A. 4 A. 4.47 A. 5.78 A. ANSWER DOWNLOAD EXAMIANS APP