Measurement and Instrumentation Wagner earthing device is used to eliminate errors due to Electrostatic coupling None of these Electromagnetic coupling Both A and B Electrostatic coupling None of these Electromagnetic coupling Both A and B ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The given figure shows wein bridge connection for frequency measurement. C and R are variables and gang together. For balanced condition the expression for frequency is f = 1/2πCR when R1 = 3R2. R1 = R2. R1 = R2/2. R1 = 2R2. R1 = 3R2. R1 = R2. R1 = R2/2. R1 = 2R2. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Commonly used instruments in power system measurement are Rectifier Induction Electrostatic Moving coil or iron Rectifier Induction Electrostatic Moving coil or iron ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which one the following statements is correct? The application of the instrument in wrong manner in the procedure of measurement results in a/an gross error instrument error random error systematic error gross error instrument error random error systematic error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 150 V moving iron voltmeter of accuracy class 1-0 reads 75 V when used in a circuit under standard condition. The maximum possible percentage error in the reading is 1.5% 2% 1% 2.5% 1.5% 2% 1% 2.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The absolute measurement of resistance is done by Bridge Method Rayleigh method Lorenz method Ohm’s law method Bridge Method Rayleigh method Lorenz method Ohm’s law method ANSWER DOWNLOAD EXAMIANS APP
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