Measurement and Instrumentation The repeat accuracy of an instrument can be judged from its Linearity error Standard deviation of error Static error Dynamic error Linearity error Standard deviation of error Static error Dynamic error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the expression for momentum? mass × velocity force × displacement change of velocity / time mass × acceleration mass × velocity force × displacement change of velocity / time mass × acceleration ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The maximum percentage error in the sum of two voltage measurements when V1 = 100V ± 1% and V2 = 80V ± 5% is ± 6% ± 3% ± 2.8% ± 4% ± 6% ± 3% ± 2.8% ± 4% 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 3 mA. 1 mA. 2 mA. 4 mA. 3 mA. 1 mA. 2 mA. 4 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A single phase load is connected between R and Y terminals of a 415 V, symmetrical, 3-phase, 4 wire system with phase sequence RYB. A wattmeter is connected in the system as shown in figure. The power factor of the load is 0.8 lagging. The wattmeter will read + 795 W. - 597 W. - 795 W. + 597 W. + 795 W. - 597 W. - 795 W. + 597 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A resistor of 10kΩhms with 5% tolerance is connected in parallel with a 5kΩhms resistor of 10% tolerance. What is the tolerance limit for the parallel network? 10% 6.67% 8.33% 5% 10% 6.67% 8.33% 5% ANSWER DOWNLOAD EXAMIANS APP