Measurement and Instrumentation In a wheatstone bridge, a change of 6 Ω in the unknown arm of bridge is required to produce a change in deflection of 2.4 mm of the galvanometer. The sensitivity is 0.8 mm/Ω 5.0 mm/Ω 0.4 mm/Ω 2.5 mm/Ω 0.8 mm/Ω 5.0 mm/Ω 0.4 mm/Ω 2.5 mm/Ω ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An analog ammeter is an absolute instrument. an indicating instrument. a controlling instrument. a recording instrument. an absolute instrument. an indicating instrument. a controlling instrument. a recording instrument. 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% 10% 8.33% 5% 6.67% 10% 8.33% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following are needed both for protection and metering? Power factor meters. Instrument transformer. Wattmeters. Energy meter. Power factor meters. Instrument transformer. Wattmeters. Energy meter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a moving coil instrument, the deflecting torque is proportional to Sine of the measurand Square of the current Squareroot of the current Current Sine of the measurand Square of the current Squareroot of the current Current ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To increase Q factor of a coil, the wire should be long. thick. long and thin. thin. long. thick. long and thin. thin. ANSWER DOWNLOAD EXAMIANS APP