Measurement and Instrumentation The current coil of a wattmeter is connected to the CT of R-phase. The potential coil is connected across Y and B phases. The wattmeter measures Power proportional to 3 phase power if the load is balanced Reactive power of R phase Active power of Y phase Active power in R phase Power proportional to 3 phase power if the load is balanced Reactive power of R phase Active power of Y phase Active power in R phase ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To increase Q factor of a coil, the wire should be long. thin. thick. long and thin. long. thin. thick. long and thin. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The error of an instrument is normally given as a percentage of Full-scale value Measured value Rms value Mean value Full-scale value Measured value Rms value Mean value ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An ammeter is a Secondary instrument Absolute instrument Integrating instrument Recording instrument Secondary instrument Absolute instrument Integrating instrument Recording instrument ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The scale of hot wire ammeter is Linear. Non Linear. Cramped. Absloute linear. Linear. Non Linear. Cramped. Absloute linear. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A transducer measures a range of 0 – 200 N force with a resolution of 0.15 percent of full scale. What is the smallest change which can be measured by this transducer ? 3.33 N 0.15 N 6.66 N 0.3 N 3.33 N 0.15 N 6.66 N 0.3 N ANSWER DOWNLOAD EXAMIANS APP
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