241. In a die casting method, the molten metal is forced into mould under high pressure.
Correct
Incorrect
✅ The correct answer is option A.
Workshop Technology MCQs
242. Which of the following welding process uses non-consumable electrodes?
TIG welding
MIG welding
Manual arc welding
Submerged arc welding
✅ The correct answer is option A.
243. In shielded arc welding
large electrode is used
welding rod coated with slag is used
welding rod coated with fluxing material is used
none of the above
✅ The correct answer is option C.
245. The centrifugal casting method, is used for casting articles of
symmetrical shape about vertical axis
symmetrical shape about horizontal axis
irregular shape
non-ferrous metal only
✅ The correct answer is option B.
246. Galvanising is a
zinc diffusion process
process of coating zinc by hot dipping
process used for making thin phosphate coating on steel
none of the above
✅ The correct answer is option B.
247. The blank diameter used in thread rolling will be
equal to minor diameter of the thread
equal to pitch diameter of the thread
a little larger than the minor diameter of the thread
a little larger than the pitch diameter of the thread
✅ The correct answer is option C.
248. Thread rolling is restricted to
ferrous materials
ductile materials
hard materials
none of these
✅ The correct answer is option B.
249. The electrodes used in spot welding have a tip of
stainless steel
aluminium
copper
brass
✅ The correct answer is option C.
250. The property of sand due to which it evolves a great amount of steam and other gases is called
collapsibility
permeability
cohesiveness
adhesiveness
✅ The correct answer is option B.