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
Measurement and Instrumentation The resistance offered to the passage of an in-varying current by a column of mercury at the temperature of melting ice of mass 14.4521 gms of uniform cross-sectional area and length 106.3cm is One ohm according to SI units One ohm according to working standards Standard ohm One international ohm One ohm according to SI units One ohm according to working standards Standard ohm One international ohm 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? 5% 6.67% 8.33% 10% 5% 6.67% 8.33% 10% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Figure show an RC potentiometer to measure AC voltage. It is desire that Vo/Vi should be independent of frequency. The value of C shoud be 0.1 µF. 0.09 µF. 10 µF. 11 µF. 0.1 µF. 0.09 µF. 10 µF. 11 µF. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A current of is measured with a thermocouple, 5 A full scale meter. What is the meter reading? 4.06 A. 2.03 A. 6.09 A. 5 A. 4.06 A. 2.03 A. 6.09 A. 5 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A sampling wattmeter is used to measure the average power of a load. The peak to peak voltage of a square wave is 10 V and the current is triangular wave of 5 Amp P-P as shown in the figure. The period is 20 ms. The reading in W will be 25 W. 0 W. 50 W. 100 W. 25 W. 0 W. 50 W. 100 W. ANSWER DOWNLOAD EXAMIANS APP
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