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