Measurement and Instrumentation The problem of Electrostatic coupling in a transformer is acute at High load on the transformer High frequencies Low frequencies Power frequencies High load on the transformer High frequencies Low frequencies Power frequencies ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The difference between the measured value and the true value is called absolute error probable error relative error gross error absolute error probable error relative error gross error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The three resistors R1, R2 and R3 have the following ratings: R1 = 25Ω ± 4%, R2 = 65 Ω ± 4%; R3 =45 Ω ± 4%. If the resistance are connected in series, then limiting error produced in equivalent resistance is 1% 4% 3% 2% 1% 4% 3% 2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the expression for momentum? change of velocity / time mass × acceleration mass × velocity force × displacement change of velocity / time mass × acceleration mass × velocity force × displacement ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The chemical effect of current is used in C. energy meter C. ammeter C. ammeter hour meter None of these C. energy meter C. ammeter C. ammeter hour meter None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Commonly used instruments in power system measurement are Rectifier Electrostatic Induction Moving coil or iron Rectifier Electrostatic Induction Moving coil or iron ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS