A. instrumental errors
B. environmental errors
C. observational errors
D. all of the above
Systematic errors are_________________? Read More »
Measurement and Instrumentation A. electrostatic voltmeter
B. hot wire voltmeter
C. isothermal voltmeter
D. electrodynamic voltmeter
E.m.f. of a Weston cell is accurately measured by________________? Read More »
Measurement and Instrumentation A. deflecting and control
B. deflecting and damg
C. deflecting, control and damg
D. vibration and balancing
Operating torques in analogue instruments are_______________? Read More »
Measurement and Instrumentation A. balancing weight
B. deflection angle
C. sine of deflection angle
A. square law
B. logarithmic law
C. uniform law
D. none of the above
If an instrument has cramped scale for larger values, then it follows________________? Read More »
Measurement and Instrumentation A. small value of current
B. large value of current
C. large value of power
D. large value of voltage
E. none of the above
A sensitive galvanometer produces large deflection for a_______________? Read More »
Measurement and Instrumentation A. extend voltage range
B. measure voltage
C. compare voltage in a box
D. none of the above
Volt box is a component to_____________? Read More »
Measurement and Instrumentation A. spherical type
B. concentric cylindrical type
C. electrostatic type
D. multilayer parallel plate type
Commonly used standard capacitor is______________? Read More »
Measurement and Instrumentation A. induction
B. moving coil or iron
C. rectifier
D. electrostatic
Commonly used instruments in power system measurement are_______________? Read More »
Measurement and Instrumentation A. bus-bars
B. incoming alternator
C. fixed coils
D. any of the above
In Weston synchronoscope the moving coil is connected across______________? Read More »
Measurement and Instrumentation