1000+ Machine Design Questions and Answers Pdf - 1

Question: 1

Which of the following materials is used in the manufacture of resistance grids to be used in the starters of large motors?

(A) aluminium

(B) cast iron

(C) copper

(D) steel

Question: 2

The design of electromagnets is based upon which of the following fundamental equations?

(A) voltage equation

(B) magnetic circuit equation

(C) force equation

(D) all of the above

Question: 3

The slip rings of wound rotor machines are made of

(A) cast iron

(B) electrolytic copper

(C) mild steel

(D) brass

Question: 4

_____ is usually used for brush rockers.

(A) cast iron

(B) aluminum

(C) copper

(D) mild steel

Question: 5

The distance between the starts of two consecutive coils measured in terms of coil sides is called

(A) back pitch

(B) commutator pitch

(C) winding pitch

(D) front pitch