Measurement and Instrumentation A galvanometer with a full scale current of 10 mA has a resistance of 1000 Ω. The multiplying power (the ratio of measured current to galvanometer current) of 100 Ω shunt with this galvanometer is 100. 110. 11. 10. 100. 110. 11. 10. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A galvanometer has Spring coil damping Air friction damping Eddy current damping Fluid friction damping Spring coil damping Air friction damping Eddy current damping Fluid friction damping ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Resolution of an instrument is the minimum quantity it can measure. ability to distinguish polarity. the maximum quantity it can measure. the maximum non linearity. the minimum quantity it can measure. ability to distinguish polarity. the maximum quantity it can measure. the maximum non linearity. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following devices may be used for extending the range of instruments? Current transformers Potential transformers All of the listed here Shunt Current transformers Potential transformers All of the listed here Shunt ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation One single phase wattmeter operating on 230V and 5A for 5 hours makes 1940 revolutions. Meter constant in revolutions is 400. What is the power factor of the land? 1 0.84 0.73 0.65 1 0.84 0.73 0.65 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% & 98.75% 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% ANSWER DOWNLOAD EXAMIANS APP
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