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