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Synchronous motors are not used | |
A. | in power houses and substations in parallel to bus-bars for pf correction. [Wrong Answer] |
B. | in factories having a large number of induction motors and other power apparatus operating at lagging po\ver t'actor, for pf improvement. [Wrong Answer] |
C. | for driving electric trains, cranes, machine tools and line shaft drives. [Correct Answer] |
D. | in rubber mills, textile mills, cement factories. mining industries and other big industries for power applications. [Wrong Answer] |
E. | for driving continuously operating and constant speed equipment such as centrifugal pumps, fans, blowers, ammonia and air compressors, motor generator sets etc. [Wrong Answer] |