Measurement and Instrumentation The range of a moving iron ac ammeter is extended by Changing number of turns of operating coil A multiplier A shunt None of the listed here Changing number of turns of operating coil A multiplier A shunt None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The coil of a moving coil meter has 100 turns, is 40 mm long and 30 mm wide. The control torque is 240×10-6 N-m on full scale. If magnetic flux density is 1Wb/m2 range of meter is 2 mA. 1 mA. 3 mA. 4 mA. 2 mA. 1 mA. 3 mA. 4 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the expression for momentum? change of velocity / time mass × velocity mass × acceleration force × displacement change of velocity / time mass × velocity mass × acceleration force × displacement ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Jewels are used in instruments for the purpose of Torque control Suppressing noise Damping Bearing Torque control Suppressing noise Damping Bearing ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance offered to the passage of an in-varying current by a column of mercury at the temperature of melting ice of mass 14.4521 gms of uniform cross-sectional area and length 106.3cm is One international ohm One ohm according to SI units One ohm according to working standards Standard ohm One international ohm One ohm according to SI units One ohm according to working standards Standard ohm ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The smallest change in measured variable to which instrument will respond is precision. accuracy. sensitivity. resolution. precision. accuracy. sensitivity. resolution. ANSWER DOWNLOAD EXAMIANS APP
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