A 6 pole, 50 Hz, 3 phase induction motor has a full load speed of 950 R.P.M. At half load, its speed would be
The fractional slip of an induction motor is the ratio of
What is the term, if an article is purchased?
The minimum dielectric stress in a cable is at
Total electrical degrees for a 4 pole (a) (c) machine is equal to
In a 3-phase induction-motor started by a (d)O.L. starter, protection against short circuit is given by the:
Setting up date for completing each milestone is called_______
On switching 'ON' the starter, the magnetic contractor vibrates heavily. The possible cause is
A three point starter is considered suitable for
Which gate is known as the universal gate?
Calculate slip of an induction motor if it has 4 poles, 50Hz, rotor speed is 1400 rpm.
The number of stator poles produced in the rotating magnetic field of a 3-phase induction motor having three slots per pole per phase is
What is the value of x if x-y=6 and x+y=8
In a 3-phase induction motor, the rotor field rotates at synchronous speed with respect to
In a 3-phase induction motor started by DOL starter the short circuit current is protected by......
The Primary reason for D.C. motor Preferred over A.C. motor
How does a logic gate function?
As technology advances, the way we work shall -----------
Squirrel-cage induction-motor has: (
In an induction-motor, the fractional slip(s) is given by the expression
The work undertaken by a person for a period of time is called______
It is advisable to avoid the use of a (d)O.L. starter for starting an induction-motor having 5 H.P. capacity because
What is the function of a transformer?
Buchholz relays are used on
The starting torque of a squirrel cage induction motor is low because of:
A man bought a lamp for Rs 100 and sold it for Rs 120. How much profit did he make? What is the profit percentage?
The maximum valve of torque angle in a synchronous motor is ...... degrees electrocal
The load of the electrical circuit is that part which:
The Government of India promotes apprenticeship through __________
------------- safety is very important. All companies need to incorporate -------------- in their workspaces.
What is the value of any number raised to the power of 0?
The reason of drawing high current at the time of starting by an induction-motor is:
What is the ratio of change in length to original length?
What is the unit of strain?
The number of cycles a wave completes in one second is called?
When a person is naturally good at doing something, it is his/her___________
Which one of the following 3-phase motors is NOT self starting?
Trying new things and finding new ways to do old things is called___________
In a three phase induction motor, the cage bars of the rotor are arranged in an offset pattern to the axis of rotation in order to prevent...
Which of the following is not a resource?
A --------------- is one of the ways to reach your ----------------- goal.
What is the value of x if 13+x =20?
The motor suitable for loads where constant speed is required is
The unit of resistance is
A squirrel cage motor of above 3 H.P. should not be started by a D.O.L. starter because:
A thermal overload relay is provided in a starter to protect the motor against:
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