AUTOMOBILE ENGINEERING MCQ SECTION 23

221. A cam with a roller follower would constitute following type of pair

(A) lower pair

(B) higher pair

(C) close pair

(D) cam pair

Answer: - higher pair

222. The property of a material which enables it to resist fracture due to high impact loads is known as

(A) elasticity

(B) endurance

(C) strength

(D) toughness

Answer: - toughness

223. Resilience of a material is important, when it is subjected to

(A) combined loading

(B) fatigue

(C) thermal stresses

(D) shock loading

Answer: - shock loading

224. Recrystallization temperature is one

(A) at which crystals first start forming from molten metal when it is cooled

(B) at which new spherical crystals first begin to form from the old deformed one when a strained

metal is heated

(C) at which change of allotropic form takes place

(D) at which crystals grow bigger in size

Answer: - at which new spherical crystals first begin to form from the old deformed one when a strained metal is heated

225. The crystal structure of gamma iron is

(A) Body Centred Cubic (BCC)

(B) Face Centred Cubic (FCC)

(C) Hexagonal Close Packed (HCP)

(D) Cubic Structure

Answer: - Face Centred Cubic (FCC)

226. A tool used to withdraw a drill from the sleeve is called

(A) Drill remover

(B) Drill puller

(C) Drift

(D) Drill drawer

Answer: - Drift

227. In a particular type of welding, flux is prepared in the form of a coarse powder and granulated flux is spread over the joint. What is this type of welding process called ?

(A) Electric arc welding

(B) Submerged arc welding

(C) MIG welding

(D) TIG welding

Answer: - Submerged arc welding

228. 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

Answer: - Multi-point cutting tool

229. Which of the following is the lightest pencil ?

(A) 2B

(B) 1B

(C) HB

(D) H

Answer: - H

230. In third angle projection method, the object is supposed to be in

(A) First quadrant

(B) Second quadrant

(C) Third quadrant

(D) Fourth quadrant

Answer: - Third quadrant