Solved

Sparking, Is Discouraged in a D.C. Motor Because

Question 25

Multiple Choice

Sparking, is discouraged in a D.C. motor because

A) it increases the input power con-sumption
B) commutator gets damaged
C) both (a) and (b)
D) none of the above

Related Questions

Q15: Which D.C. motor is generally preferred for

Q16: Which of the following motor has the

Q17: Which of the following method of speed

Q18: The speed of a D.C. motor can

Q19: Speed control by Ward Leonard method gives

Q20: The speed of a motor falls from

Q21: Which one of the following is not

Q22: The armature torque of the D.C. shunt

Q23: Buses, trains, trolleys, hoists, cranes require high

Q24: Flywheel is used with D.C. compound motor