Related Questions

PMMC type instruments normally use
A Air friction damping
B Fluid friction damping
C Eddy current damping
D None of the above
The use of _____ instruments is merely confined within laboratories as standardizing instruments.
A absolute
B indicating
C recording
D integrating
E none of the above
Coke oven gas after passing through return electrostatic tar precipitator (RETP) is used for the
A Hot scarfing of steel slabs
B Mixing with blast furnace gas
C Coke oven battery heating
D Steel ladle drying
When is the risk for electrostatic discharge the greatest?
A Day time
B High humidity
C Low humidity
D Night time
E None of the above
In pen plotters, "resolution" refers to the shortest possible line, but in electrostatic plotters it refers to:
A the number of dots per inch
B the speed per inch
C dual-axis tracking
D how accurately the plotter returns to a specific point
E None of the above
The problem of Electrostatic coupling in a transformer is acute at
A Low frequencies
B Power frequencies
C High frequencies
D High load on the transformer
Certain type of materials generates an electrostatic charge or voltage when mechanical force is applied across them. Such materials are called
A Piezo-electric
B Photo-electric
C Thermo-electric
D Photo-resistive
The electrostatic stress in underground cables is
A Same at the conductor and the sheath
B Minimum at the conductor and maximum at the sheath
C Maximum at the conductor and minimum at the sheath
D Zero at the conductor as well as on the sheath
Energy is stored by an inductor in an electrostatic field.
A True
B False
Which of the following machines are characterised by electronic tube circuitry, delay line, rotating or electrostatic memory.
A First generation
B Fifth generation
C Third generation
D Second generation
E Fourth generation

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