Measurement and Instrumentation What are the SI units of mass, length and time respectively? kg, cm and s. kg, m and s. g, cm and s. g, m and s. kg, cm and s. kg, m and s. g, cm and s. g, m and s. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil permanent magnet instrument can be used as ______ by using a low resistance shunt. Ammeter Flux meter Voltmeter Ballastic galvanometer Ammeter Flux meter Voltmeter Ballastic galvanometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Piezoelectric effect is carried out in m derived. crystal filter. composite filter. constant k prototype. m derived. crystal filter. composite filter. constant k prototype. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In DC potentiometer measurments, a second reading is often taken after reversing the polarities of the DC supply and the unknown voltage and the average of the two reading is taken. This is with a view of eliminate the effects of Stray thermal emfs. Errorneous standardisation. Stray magnetic fields. Ripples of the DC supply. Stray thermal emfs. Errorneous standardisation. Stray magnetic fields. Ripples of the DC supply. 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 4 mA. 2 mA. 3 mA. 1 mA. 4 mA. 2 mA. 3 mA. 1 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of Weston standard cell is of order of 1 ohm. 1000 ohm. 100 ohm. 10 ohm. 1 ohm. 1000 ohm. 100 ohm. 10 ohm. ANSWER DOWNLOAD EXAMIANS APP
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