Related Questions

An alternator is an electromechanical ac generator.
A True
B False
Cross regulators in main canals are provided
A To regulate water supply in the distributaries
B To increase water head upstream when a main canal is running with low supplies
C To overflow excessive flow water
D None of these
In an SCR circuit the supply voltage is generally ___________ that of breakover voltage
A Equal to
B Less than
C Greater than
D None of the above
When drain voltage equals the pinch-off-voltage, then drain current ___________ with the increase in drain voltage
A decreases
B increases
C remains constant
D none of the above
Pure oxide refractories are generally monocrystaliine in nature and are self bonded __________ bricks are generally used as moderator in nuclear reactors.
A Beryllia
B Carborundum
C Corundum
D Thoria
The material generally used for armour of high voltage cables is
A Aluminium
B Steel
C Brass
D Copper
In a shunt generator the voltage build up is generally restricted by
A speed limitation
B armature heating
C insulation restrictions
D saturation of iron
Generally, the mesh current method results in fewer equations than the node voltage method.
A True
B False
In a color television set using a picture tube a high voltage is used to accelerate electron beams to light the screen. That voltage is about?
A 500 volts
B 5 thousand volts
C 25 thousand volts
D 100 thousand volts
When the resistor voltage in a series RL circuit becomes less than the inductor voltage, the phase angle
A Increases
B Decreases
C Is not affected
D Cannot be determined

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