Measurement and Instrumentation A galvanometer has Air friction damping Fluid friction damping Eddy current damping Spring coil damping Air friction damping Fluid friction damping Eddy current damping Spring coil damping ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a single phase energy meter, braking torque is provided by Permanent magnet Air friction Fluid friction None of the listed here Permanent magnet Air friction Fluid friction None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a moving coil instrument, the deflecting torque is proportional to Square of the current Current Squareroot of the current Sine of the measurand Square of the current Current Squareroot of the current Sine of the measurand ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the expression for momentum? force × displacement mass × velocity mass × acceleration change of velocity / time force × displacement mass × velocity mass × acceleration change of velocity / time ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation One single phase wattmeter operating on 230V and 5A for 5 hours makes 1940 revolutions. Meter constant in revolutions is 400. What is the power factor of the land? 0.73 0.65 0.84 1 0.73 0.65 0.84 1 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the quantity consists of SI unit as Candela? Luminous intensity Force Velocity Impulse Luminous intensity Force Velocity Impulse ANSWER DOWNLOAD EXAMIANS APP