Measurement and Instrumentation PMMC type instruments normally use Air friction damping Fluid friction damping None of these Eddy current damping Air friction damping Fluid friction damping None of these Eddy current damping 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 The range of a moving iron ac ammeter is extended by A multiplier A shunt Changing number of turns of operating coil None of the listed here A multiplier A shunt Changing number of turns of operating coil None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation _______ is used to measure the flow of air around aeroplane. nucleus. Venturimeter. Orifice. Anemometer. nucleus. Venturimeter. Orifice. Anemometer. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A set of independent current measurements taken by four observers was recorded as : 117.02 mA, 117.11 mA, 117.08 mA and 117.03 mA. What is the range of error ? ± 0.056 ± 0.054 ± 0.045 ± 0.065 ± 0.056 ± 0.054 ± 0.045 ± 0.065 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? 6.67% 10% 5% 8.33% 6.67% 10% 5% 8.33% ANSWER DOWNLOAD EXAMIANS APP
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