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 A spring controlled indicating instrument has a deflection of 90deg for maximum current I. The corresponding deflection for a gravity controlled instrument is 120° 90° 0° 30° 120° 90° 0° 30° ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A resistance of 105 ohms is specified using significant figures as indicated below : 1. 105 ohms 2. 105.0 ohms 3. 0.000105 mega ohms Among these, 2 and 3 represent greater precision than 1. 2 represents greater precision but 1 and 3 represent same precision. 1 represents greater precision than 2 and 3. 1, 2 and 3 represent same precision. 2 and 3 represent greater precision than 1. 2 represents greater precision but 1 and 3 represent same precision. 1 represents greater precision than 2 and 3. 1, 2 and 3 represent same precision. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a single phase energy meter, braking torque is provided by Permanent magnet Air friction None of the listed here Fluid friction Permanent magnet Air friction None of the listed here Fluid friction ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Relative error is same as ratio of absolute error and true value. None of these absolute error. true error. ratio of absolute error and true value. None of these absolute error. true error. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The meter constant of an energy meter is 1500 rev/kWh, the disc makes 3000 revolution in a given time. The energy consumed is 4 kWh 2 kWh 3 kWh 1 kWh 4 kWh 2 kWh 3 kWh 1 kWh ANSWER DOWNLOAD EXAMIANS APP