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