MECHANICAL ENGINEERING MCQ SECTION 14

131. The function of a washer is to

(A) provide cushioning effect

(B) provide bearing area

(C) absorb shocks and vibrations

(D) provide smooth surface in place of rough surface

132. The cutting force in up milling ________ per tooth movement of the cutter.

(A) Is zero

(B) Is maximum

(C) Decreases from maximum to zero

(D) Increases from zero to maximum

133. The type of tool used on milling machine and broaching machine is

(A) Single point cutting tool

(B) Two point cutting tool

(C) Three point cutting tool

(D) Multi-point cutting tool

134.PERT is the

(A) time oriented technique

(B) event oriented technique

(C) activity oriented technique

(D) target oriented technique

135. The performance of a specific task in CPM is known as

(A) dummy

(B) event

(C) activity

(D) contract

136. The difference between the time available to do the job and the time required to do the job, is known as

(A) event

(B) float

(C) duration

(D) constraint

137. Positive slack on a PERT indicates that project is

(A) ahead of schedule

(B) beyond schedule

(C) as per schedule

(D) on critical path

138. The ability of a material to resist softening at high temperature is known as

(A) creep

(B) hot tempering

(C) hot hardness

(D) fatigue

139. Slow plastic deformation of metals under a constant stress is known as

(A) creep

(B) fatigue

(C) endurance

(D) plastic deformation

140. This is the smallest diameter of a screw thread

(A) Internal thread diameter

(B) Minor diameter

(C) Major diameter

(D) External thread diameter