- (A) metric
- (B) buttress
- (C) acme
- (D) square
- (E) BSW
Mechanical Engineering Mcqs
- (A) metric
- (B) square
- (C) buttress
- (D) acme
- (E) BSW
- (A) one smaller nut is tightened over main nut and main nut tightened against smaller one by loosening, creating friction jamming
- (B) a slot is cut partly in middle of nut and then slot reduced by tightening screw
- (C) a hard fiber or nylon cotter is recessed in the nut and becomes threaded as the nut is screwed on the bolt causing a tight grip
- (D) through slots are made at top and a cotter-pin is passed through these and a hole in the bolt, and cotter pin splitted and bent in reverse direction at the other end
- (E) none of the above
- (A) provide cooling action
- (B) lubricate the dies
- (C) help remove chips
- (D) all of the above
- (E) none of the above
- (A) metric
- (B) buttress
- (C) square
- (D) acme
- (E) NPT (national pipe threads)
- (A) lighter and easier to handle
- (B) greater shock absorption
- (C) smoother inside walls
- (D) all of the above
- (E) none of the above
- (A) butt weld
- (B) fillet weld
- (C) sleeve weld
- (D) socket weld
- (E) tube weld
- (A) the ratio of volumes of air in cylinder before compression stroke and after compression stroke
- (B) volume displaced by piston per stroke and clearance volume in cylinder
- (C) ratio of pressure after compression and before compression
- (D) swept volume/cylinder volume
- (E) cylinder volume/swept volume
- (A) supplying the intake of an engine with air at a density greater than the density of the surrounding atmosphere
- (B) providing forced cooling air
- (C) injecting excess fuel for raising more load
- (D) supplying compressed air to remove combustion products fully
- (E) raising exhaust pressure
- (A) metric threads of 33 nos in 2 cm.
- (B) metric threads with cross-section of 33 mm
- (C) metric threads of 33 mm outside diameter and 2 mm pitch
- (D) bolt of 33 mm nominal diameter having 2 threads per cm
- (E) none of the above
