Measurement and Instrumentation What is the expression for momentum? force × displacement mass × acceleration mass × velocity change of velocity / time force × displacement mass × acceleration mass × velocity change of velocity / time ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If two 300V full scale voltmeters V1 and V2 having sensitivities of 100 kOhm/V and 150 kOhm/V are connected in series to measure 500V then V1 = 250V and V2 = 250V. V1 = 200V and V2 = 300V. V1 = 0V and V2 = 0V. V1 = 300V and V2 = 200V. V1 = 250V and V2 = 250V. V1 = 200V and V2 = 300V. V1 = 0V and V2 = 0V. V1 = 300V and V2 = 200V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following statement are correct in case of power factor meter? It consist of two coils mounted at right angles to each other. Both B and C. The deflection is proportional to phase angle between field coil and crossed coil. The restoring torque is provided by a controlling torque. It consist of two coils mounted at right angles to each other. Both B and C. The deflection is proportional to phase angle between field coil and crossed coil. The restoring torque is provided by a controlling torque. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC A-h meter is rated for 15 A, 250 V. The meter constant is 14.4 A-sec/rev. The meter constant at rated voltage may be expressed as 960 rev/KWh. 3600 rev/KWh. 1000 rev/KWh. 3750 rev/KWh. 960 rev/KWh. 3600 rev/KWh. 1000 rev/KWh. 3750 rev/KWh. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is positioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is 100 µNm. 200 µNm. 1 µNm. 2 µNm. 100 µNm. 200 µNm. 1 µNm. 2 µNm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following is not correct? An electronic voltmeter draw appreciable current from the source. A shunt should have a very low resistance. Voltmeter should have very high resistance. An ammeter should have a very low resitance. An electronic voltmeter draw appreciable current from the source. A shunt should have a very low resistance. Voltmeter should have very high resistance. An ammeter should have a very low resitance. ANSWER DOWNLOAD EXAMIANS APP
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