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