Which of the following motor is preferred for operation in highly explosive atmosphere ?

Related MCQs

• For which of the following applications a D.C. motor is preferred over an A.C. motor?
• By looking at which part of the motor, it can be easily confirmedthat a particular motor is D.C. motor?
• Flywheel is used with D.C. compound motor to reduce the peak demand by the motor, compound motor will have to be
• If a D.C. motor is to be selected for conveyors, which rriotor would be preferred ?
• Which D.C. motor will be preferred for machine tools ?
• Which D.C. motor is preferred for elevators ?
• Which D.C. motor is generally preferred for cranes and hoists ?
• If the field of a D.C. shunt motor gets opened while motor is running
• In case-the conditions for maximum power for a D.C. motor are established,the efficiency of the motor will be
• In a D.C. series motor, if the armature current is reduced by 50%, the torque of the motor will be equal to