51. If the speed of a D.C. shunt motor is increased, the back e.m.f. of the motor will
52. In a differentially compounded D.C. motor, if shunt field suddenly opens
53. Speed control by Ward Leonard method gives uniform speed variation
54. For which types of D.C. motor, dynamic braking is generally used?
55. Which D.C. motor will be suitable along with flywheel for intermittent light and heavy loads?
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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