Which of the following are the applications of D.C. system ?

Related Mcqs:

A commutating rectifier consists of commutator driven by___________?

A. an induction motor B. a synchronous motor C. a D.C. series motor D. a D.C. shunt motor...

In selenium rectifiers efficiencies ranging from _______ to _______ percent are attainable?

A. 25, 35 B. 40, 50 C. 60, 70 D. 75, 85...

In a three-phase mercury arc rectifiers each anode conducts for____________?

A. one-third of a cycle B. one-fourth of a cycle C. one-half a cycle D. two-third of a cycle...

In a rotary converter I2R losses as compared to a D.C. generator of the same size will be___________?

A. same B. less C. double D. three times...

Which of the following AC. motors is usually used in large motor-generator sets?

A. Synchronous motor B. Squirrel cage induction motor C. Slip ring induction motor D. Any of the above...