The ratio of maximum displacement deviation to full scale deviation of the instrument is called_______________?
A. static sensitivity
B. dynamic deviation
C. linearity
D. precision or accuracy
A. static sensitivity
B. dynamic deviation
C. linearity
D. precision or accuracy
A. multiple shunt or series resistances inside the meter
B. multicoii arrangement
C. variable turns of coil
D. multi range meters inside the measurement system
E. any of the above
A multirangq instrument has________________? Read More »
Measurement and Instrumentation A. that it works on the principle of complex variation
B. that it measures the response of linear ramp voltage
C. same as digital meter
D. that it measures the amplitude of a single at two points and at the same time measures their phase difference
The principle on which vector voltmeter is based is_____________? Read More »
Measurement and Instrumentation A. safe guard it against creep
B. brake the instrument
C. bring energy meter to stand still
D. maintain steady speed and equal to driving torque
In an energy meter braking torque is produced to________________? Read More »
Measurement and Instrumentation A. (n – 1) wattmeter elements
B. n wattmeter elements
C. (n + 1) wattmeter elements
D. 2n wattmeter elements
The power of a n-phase circuit can be measured by using a minimum of_______________? Read More »
Measurement and Instrumentation A. Amplifier gain and phase shift
B. Filler transfer functions
C. Complex insersion loss
D. All of the above
Which of the following is measured by using a vector voltmeter ? Read More »
Measurement and Instrumentation A. light load or friction
B. lag and creep
C. overload and voltage compensation
D. temperature compensation
E. all of the above
Various adjustments in an energy meter include_______________? Read More »
Measurement and Instrumentation A. induction instrument
B. electrostatic instrument
C. moving coil instrument
D. any of the above
An instrument transformer is used to extend the range of______________? Read More »
Measurement and Instrumentation A. temperature error
B. wave shape error
C. frequency error
D. all of the above
The rectifier instrument is not free from_______________? Read More »
Measurement and Instrumentation A. elastic galvanometer
B. vibration galvanometer
C. Duddlb galvanometer
D. spot ballistic galvanometer
Most sensitive galvanometer is_____________? Read More »
Measurement and Instrumentation