Earthing plate electrodes should be buried such that the top edge is at a depth not less than
in a shunt generator the voltage builds up till constrained by
. Which instrument is used to measure armature winding resistance?
standard wire gauge used for earthing lead should not be thinner than
Which type of motor would you choose for starting the transport vehicles?
The most frequently asked question in an interview is…
What is the direction of frictional force against a motional object?
Primary storage devices are ---------------
The efficiency of fluorescent tube is _________to lumens/watt.
The E.M.F. induced in a D.C. motor while running, is lo...............
What is the formula to calculate back EMF in a DC motor?
What is the purpose of lubricant ?
Miscommunication can lead to…..
Which of the following motors is suitable for high starting torque?
Which is used to reduce the friction in machine parts?
Which one of the following acts in between the wheels and roads, if vehicles are able to run on roads?
Which is the correct statement?
What is the name of the equipment?
All of us ---------------------- on completion of the course
Which rule determines the direction of rotation of armature in D.C motor?
The singular form of lenses is_____
Which method of speed control gives below the rated speed in DC series motor?
Which way the coolant acts as a lubricant?
What is the name of D.C motor?
ISO stands for -----------------
The rotating part of a d.c. motor is known as
There are many dos and don’ts to be ----------------------------- -- while preparing for/attending an ------------------------.
Which speed control method of D.C series motor is used for electric train?
Productivity can be increased by offering -----------
How co-efficient of friction is expressed?
The business idea should -----------------
How many diodes are used in a bridge rectifier?
Electric bell works on the principle of -
The back emf of a DC motor depends on the
A series motor is wound with:
What is the name of the speed control method of DC motor?
Which type of D.C motor is used for constant speed drives?
Why starters are required to start D.C motors in industries?
the magnet used for construction of electric motor is
Motor used in electric traction is
Which instrument is used to test armature winding for short and open circuit?
Factories Act was introduced in -----------------.
The speed of a series motor at no-load is
Which symbol is used to denote co-efficient of friction?
In a shunt motor, a starter is used for:
Which is the law of friction?
Which is depends on the frictional force?
a maintenance free battery