Measurement and Instrumentation With a sweep time 10ms across the screen the approx. horizontal sawtooth frequency will be 500Hz 1kHz 50Hz 100Hz 500Hz 1kHz 50Hz 100Hz ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A voltage of 2.70 V is being measured by an analog indicating instrument having a scale range of 0 – 5.0 V. If the instrument reads 2.65 V, then absolute error in measurement is 0.25V 0.05V 0.01V 0.01V 0.25V 0.05V 0.01V 0.01V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Alternating current is measured by Electrostatic ammeter Moving iron repulsion type voltmeter Permanent magnet type ammeter Induction ammeter Electrostatic ammeter Moving iron repulsion type voltmeter Permanent magnet type ammeter Induction ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The power factor of a single phase load can be calculated if the instruments available are One voltmeter and one ammeter One ammeter, one voltmeter and one energy meter One voltmeter, one ammeter and one wattmeter Any of the listed here One voltmeter and one ammeter One ammeter, one voltmeter and one energy meter One voltmeter, one ammeter and one wattmeter Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For a circuit given that I = 2 ± 5 % A, R = 100 ± 0.2 % Ω the limiting error in the power dissipation I2 R in the resistor R is 1.2% 10.2% 5.2% 25.2% 1.2% 10.2% 5.2% 25.2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A PMMC instrument can be used as flux meter 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 By eliminating the control springs By using a low resistance shunt By using a high series resistance ANSWER DOWNLOAD EXAMIANS APP