Measurement and Instrumentation A Manganin swap resistance is connected in series with a moving coil ammeter consisting of a milli ammeter and a suitable shunt in order to Minimize the effect of stray magnetic fields. Obtaine large deflecting torque. Reduce the size of the meter. Minimize the effect of temperature variation. Minimize the effect of stray magnetic fields. Obtaine large deflecting torque. Reduce the size of the meter. Minimize the effect of temperature variation. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Deflection method direct measurements are most widely used as these are most simple and least time consuming. most simple. least time consuming. most accurate. most simple and least time consuming. most simple. least time consuming. most accurate. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Null type recorders are any one of the above. LVDT recorders. potentiometric recorders. bridge recorders. any one of the above. LVDT recorders. potentiometric recorders. bridge recorders. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Alternating current is measured by Induction ammeter Moving iron repulsion type voltmeter Permanent magnet type ammeter Electrostatic ammeter Induction ammeter Moving iron repulsion type voltmeter Permanent magnet type ammeter Electrostatic ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For power measurement of three phase circuit by two wattmeter method, when the value of power factor is less than 0.5 lagging Both give the same readings One of the wattmeters will read zero Pressure coil of the wattmeter will become ineffective. One of the wattmeter connections will have to be reversed Both give the same readings One of the wattmeters will read zero Pressure coil of the wattmeter will become ineffective. One of the wattmeter connections will have to be reversed ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A PMMC instrument can be used as flux meter By making control springs of large moment of inertia By eliminating the control springs By using a high series resistance By using a low resistance shunt By making control springs of large moment of inertia By eliminating the control springs By using a high series resistance By using a low resistance shunt ANSWER DOWNLOAD EXAMIANS APP