Measurement and Instrumentation Which one of the following units is a fundamental unit? Watt Newton Joule/sec Ampere Watt Newton Joule/sec Ampere 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 252 V. 260 V. 250 V. 248 V. 252 V. 260 V. 250 V. 248 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Kelvin’s double bridge is used to measure low resistance because effect of contact and lead resistance is eliminated. it has high sensitivity. there is no thermo electric emf. resistance variation due to temperature. effect of contact and lead resistance is eliminated. it has high sensitivity. there is no thermo electric emf. resistance variation due to temperature. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The thermocouple instruments do not have Independence of ambient temperature High sensitivity High degree of measuring accuracy Absence of frequency error Independence of ambient temperature High sensitivity High degree of measuring accuracy Absence of frequency error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Following is a 16-bit register for 8085 microprocessor Register B Accumulator Stack pointer Register C Register B Accumulator Stack pointer Register C ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The effect of stray magnetic fields on the actuating torque of a portable instrument is maximum when the operating field of the instrument and stray fields are parallel. perpendicular. inclined at 30o. inclined at 60o. parallel. perpendicular. inclined at 30o. inclined at 60o. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS