Measurement and Instrumentation How many fundamental units are there ? 7 8 4 6 7 8 4 6 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which one of the following units is a fundamental unit? Watt Joule/sec Newton Ampere Watt Joule/sec Newton Ampere ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Why is a MISC meter not recommended for DC measurement? 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 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 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An analog ammeter is an indicating instrument. a recording instrument. a controlling instrument. an absolute instrument. an indicating instrument. a recording instrument. a controlling instrument. an absolute instrument. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The inductance of a certain moving iron ammeter is expressed as L = 2+5θ-θ2 µH. The control spring torque is 2 × 10-6 Nm/radian. Find the deflection in radians for a current of 2A. 5 4 2 1 5 4 2 1 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of an ammeter should be Medium Very small Infinity High Medium Very small Infinity High ANSWER DOWNLOAD EXAMIANS APP