Machine Design - Practice Test

(A) The pitch of the thread is 24 mm and depth is 2 mm

(B) Cross-sectional area of the threads is 24 mm 2

(C) The nominal diameter of bolt is 24 mm and pitch is 2 mm

(D) The effective diameter of bolt is 24 mm and there are 2 threads per cm

(C) The nominal diameter of bolt is 24 mm and pitch is 2 mm

(A) Joint may not open up

(B) Bolts are weakest elements

(C) The resultant load on the bolt would not be affected by the external cyclic load

(D) Bolts will not loosen during service

(C) The resultant load on the bolt would not be affected by the external cyclic load

(A) $$14{frac{1}{2}^ circ }$$ full depth involute tooth

(B) 20° full depth involute tooth

(C) 20° involute stub tooth

(D) $$14{frac{1}{2}^ circ }$$ stub tooth

(A) $$14{frac{1}{2}^ circ }$$ full depth involute tooth

(A) The Oil film pressure is generated only by the rotation of the journal

(B) The oil film is maintained by supplying oil under pressure

(C) Do not require external supply of lubricant

(D) Grease is used for lubrication

(B) The oil film is maintained by supplying oil under pressure

(A) Less than

(B) Equal to

(C) More than

(D) None of these

(A) Less than

Machine Design - Study Mode