56. The type of D.C. motor used for shears and punches is
57. Buses, trains, trolleys, hoists, cranes require high starting torque and therefore make use of
58. The purpose of retardation test on D.C. shunt machines is to find out
59. In a D.C. shunt motor, speed is
60. To get the speed of D.C, motor below the normal without wastage of electrical energy is used.
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