16.
The purpose of a riser is to

17.
Which of the following welding method uses a pool of molten metal?

18.
A casting defect which occurs due to improper venting of sand is known as

19.
Which one of the following material will require the largest size of riser for the same size of casting?

Read More Section(Workshop Technology)

Each Section contains maximum 70 questions. To get more questions visit other sections.