MECHANICAL ENGINEERING MCQ SECTION 22

211. Which among the following is a type of destructive test?

(A) Magnetic particle test

(B) Cupping test

(C) Dye penetrant

(D) All of these

Answer: - Cupping test

212. Which process is used to remove internal stresses from a metal?

(A) Annealing

(B) Cold working

(C) Both A and B

(D) None of these

Answer: - Annealing

213. As percentage of carbon increases in steel its ________ decreases.

(A) Corrosion resistance

(B) Ultimate strength

(C) Hardness

(D) Ductility

Answer: - Ductility

214. High speed steel belongs to the category of ________ steel

(A) Alloy

(B) Stainless

(C) Low carbon

(D) Medium carbon

Answer: - Alloy

215. Slip gauges are generally made of ________

(A) Alloy steel

(B) Cast iron

(C) Bronze

(D) None of these

Answer: - Alloy steel

216. _______ is the upper half of the mold.

(A) Cope

(B) Drag

(C) Flask

(D) None of these

Answer: - Cope

217. A tap is a cutting tool used to create which one of the following geometries?

(A) External threads

(B) Flat planar surfaces

(C) Internal threads

(D) Square holes

Answer: - Internal threads

218. Diamond pyramid indenter is used for

(A) Brinell Hardness Test

(B) Vickers Hardness Test

(C) Rockwell B Hardness Test

(D) None of these

Answer: - Vickers Hardness Test

219.Which of the following processes are classified as fusion welding?

(A) Diffusion Welding

(B) Forge welding

(C) Laser-beam welding

(D) Ultrasonic welding

Answer: - Laser-beam welding

220.Which of the following metals are used in solder alloys?

(A) Aluminum

(B) Gold

(C) Iron

(D) Silver

Answer: - Silver