Measurement and Instrumentation A thermo couple ammeter gives full scale deflection of 10 A, when it reads one fifth of the scale, the current will be 2 A. 4.47 A. 5.78 A. 4 A. 2 A. 4.47 A. 5.78 A. 4 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation _______ instruments are those which measure the total quantity of the electricity delivered in a particular time. Indicating Recording Absolute Integrating Indicating Recording Absolute Integrating ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Why is a MISC meter not recommended for DC measurement? The error is high due to hysteresis effect The error is high due to eddy current effect The meter is calibrated for AC and it’s error for DC would be high The meter does not respond to DC signals The error is high due to hysteresis effect The error is high due to eddy current effect The meter is calibrated for AC and it’s error for DC would be high The meter does not respond to DC signals ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The coil of a moving iron instrument has a resistance of 500 ohm and inductance of 1 H. It reads 250 V when a 250 V DC is applied. It series resistance is 2000 ohms its reading when fed by 250 V, 50 Hz AC will be 250 V. 248 V. 252 V. 260 V. 250 V. 248 V. 252 V. 260 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation ______ movement is most expensive. Dynamometer None of the listed here D'Arsonval movement Moving iron Dynamometer None of the listed here D'Arsonval movement Moving iron ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a single phase energy meter, braking torque is provided by Air friction None of the listed here Fluid friction Permanent magnet Air friction None of the listed here Fluid friction Permanent magnet ANSWER DOWNLOAD EXAMIANS APP