Related Questions

The EMF of Weston standard cell is measured using
A Moving- iron meter
B Moving-coil meter
C Digital Volt meter
D Potentiometer
In Weston synchronoscope the moving coil is connected across
A bus-bars
B incoming alternator
C fixed coils
D any of the above
A Weston synchronoscope is a
A moving coil instrument
B moving iron instrument
C dynamometer instrument
D none of the above
In a Weston frequency meter, the magnetic axes of the two fixed coils are
A Parallel
B Perpendicular
C Inclined at 60°
D Inclined at 15°
In a Weston synchronoscope, the fixed coils are connected across
A bus-bars
B incoming alternator
C a lamp
D none of the above
A Weston frequency meter is
A moving coil instrument
B moving iron instrument
C dynamometer instrument
D none of the above
The resistance can be measured most accurately by
A Voltmeter-ammeter method
B Bridge method
C Multimeter
D Megger
Shaft/rotor speed is most accurately measured by a
A Frequency counter
B Tachometer
C Strobometer
D Speedometer
Dome temperature of blast furnace stove is most accurately measured by a
A Radiation pyrometer
B Platinum-platinum/rhodium ther-mocuple
C Iron-constantan thermocouple
D Platinum resistance thermometer
Small furnace draught is accurately measured by an inclined tube manometer, in which the manometric liquid used most commonly is
A Water
B Carbon tetrachloride
C Paraffin
D Ethylene glycol

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