- (A) 0.33
- (B) 0.4
- (C) 0.5
- (D) 0.55
- (E) 0.6
Mechanical Engineering Mcqs
- (A) acts when external load is applied
- (B) becomes zero when external load is removed
- (C) is independent of external loads
- (D) is always harmful
- (E) is always beneficial
- (A) increases the fatigue strength
- (B) decreases the fatigue strength
- (C) has no influence on fatigue strength
- (D) alone has no influence on fatigue strength
- (E) none of the above
- (A) surface
- (B) just below the surface
- (C) within the core
- (D) could occur anywhere
- (E) none of the above
- (A) finishing and polishing
- (B) shot-peening
- (C) decarburisation
- (D) electroplating
- (E) all of the above”.
- (A) best method
- (B) extremely hazardous
- (C) has no effect as regards fatigue strength
- (D) cheapest method
- (E) all of the above
- (A) same
- (B) higher
- (C) lower
- (D) depends on other factors
- (E) none of the above
- (A) is greatly decreased by poor surface conditions
- (B) remains same irrespective of surface conditions
- (C) depends mainly on core composition
- (D) is dependent upon yield strength of material
- (E) none of the above
- (A) self locking bolt
- (B) same as stud
- (C) provided with hexagonal depression in head
- (D) used in high speed components
- (E) provided with countersunk head
- (A) similar to small size tap bolts except that a greater variety of shapes of heads are available
- (B) slotted for a screw driver and generally used with a nut
- (C) used to prevent relative motion be-tween parts
- (D) similar to stud
- (E) none of the above
