Measurement and Instrumentation In a single phase energy meter, braking torque is provided by Air friction None of the listed here Permanent magnet Fluid friction Air friction None of the listed here Permanent magnet Fluid friction ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An oscilloscope indicates Peak to peak value of voltage RMS value Average value DC value of voltage Peak to peak value of voltage RMS value Average value DC value of voltage ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation PMMC Instrument can be used for AC work only Both AC and DC DC work only None of the listed here AC work only Both AC and DC DC work only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The use of thermocouple meters for AC measurement leads to scale which is logarithmic. expontial. linear. square law. logarithmic. expontial. linear. square law. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In figure Z1 = 200∠60° ohm. Z2 = 400∠-90° ohm, Z3 = 300∠0° ohm. Then Z4 for bridge to be balanced is 600∠-150° ohm. 300∠90° ohm. 400∠-90° ohm. 150∠30° ohm. 600∠-150° ohm. 300∠90° ohm. 400∠-90° ohm. 150∠30° ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The pointer of an indicating instrument should be Either light or heavy None of the listed here Very heavy Very light Either light or heavy None of the listed here Very heavy Very light ANSWER DOWNLOAD EXAMIANS APP