Measurement and Instrumentation A PMMC instrument can be used as flux meter By eliminating the control springs By using a low resistance shunt By using a high series resistance By making control springs of large moment of inertia By eliminating the control springs By using a low resistance shunt By using a high series resistance By making control springs of large moment of inertia ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 10MHz CRO has 10MHz supply frequency 5MHz sweep 10MHz horizontal oscillator 10MHz vertical oscillator 10MHz supply frequency 5MHz sweep 10MHz horizontal oscillator 10MHz vertical oscillator ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The expected value of the voltage across a resistor is 80 V, and the measured value is 79 V. What is the percentage error and relative accuracy of the measurement ? 1.25% & 98.25% 1.5% & 99% 1.5% & 98.75% 1.25% & 98.75% 1.25% & 98.25% 1.5% & 99% 1.5% & 98.75% 1.25% & 98.75% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following statement are correct in case of power factor meter? Both B and C. The deflection is proportional to phase angle between field coil and crossed coil. The restoring torque is provided by a controlling torque. It consist of two coils mounted at right angles to each other. Both B and C. The deflection is proportional to phase angle between field coil and crossed coil. The restoring torque is provided by a controlling torque. It consist of two coils mounted at right angles to each other. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The effect of load resistance is important in measurement of resistance of ammeter. both A and B. resistance of shunt. resistance of shunt winding. resistance of ammeter. both A and B. resistance of shunt. resistance of shunt winding. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A resistor of 10kΩhms with 5% tolerance is connected in parallel with a 5kΩhms resistor of 10% tolerance. What is the tolerance limit for the parallel network? 8.33% 6.67% 5% 10% 8.33% 6.67% 5% 10% ANSWER DOWNLOAD EXAMIANS APP