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