The manufacturer has mentioned a medium starting torque and 15% speed regulation. The most appropriate motor for his requirement is

Inspite of heavy initial investments, dc motors are used due to

Long back ago, magnetic casette were in use, having permanent magnet dc motors which had

Most commercial compound dc generator are normally supplied by manufacturers as over compound machines because

Hoists, cranes and battery powered vehicles use _________ motors in the locomotive.

Maximum torque in dc series motor is limited by

Separately excited dc generators are used in

If a dc shunt motor is stopped by forcing starter handle back to OFF position, then

Centrifugal pumps, fans-blowers use

A 200 V dc motor has external resistances of Ra and Rf in armature and field circuits respectively. The starting current is reduced when

Which of the following are applied with differential compound motor?

A d.c. generator has been provided tappings on the armature winding at intervals of 120 degrees from the side of commutator. The connection will be

Most commercial compound dc generator are normally supplied by manufacturers as ______ compounded machines.

Interpoles are used to start the dc motor above the base speed.

There is an application which required pulsating loads, punch presses. The most preferred machines would be