Measurement and Instrumentation What is the expression for momentum? change of velocity / time mass × velocity force × displacement mass × acceleration change of velocity / time mass × velocity force × displacement mass × acceleration ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The meter constant of a single phase 240 V induction watthour meter is 400 revolutions per KWh. The speed of the meter disc for a current of 10 Amperes of 0.8 p.f lagging will be 12.8 rpm. 16.02 rpm. 18.2 rpm. 21.1 rpm. 12.8 rpm. 16.02 rpm. 18.2 rpm. 21.1 rpm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following quantities consists of S.I. unit as Hertz? Power Frequency Charge Force Power Frequency Charge Force ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The form factor in AC is the ratio of Peak value to rms value Rms value to peak value Rms value to average value Peak value to average value Peak value to rms value Rms value to peak value Rms value to average value Peak value to average value ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Standardization of potentiometer is done in order that, they become accurate and direct reading. precise. accurate and precise. accurate. accurate and direct reading. precise. accurate and precise. accurate. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Assertion (A): A hot wire ammeter has a cramped scale. Reason (R): The heat is proportional to square of current. A is false and R is ture. Both A and R are true and R is correct explanation of A. A is ture and R is false. Both A and R are true and R is not correct explanation of A. A is false and R is ture. Both A and R are true and R is correct explanation of A. A is ture and R is false. Both A and R are true and R is not correct explanation of A. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS