Top 250+ Solved Process Planning and Cost Estimation MCQ Questions Answer
Q. Shaping of metal by squeezing them in between two or more dies in order to obtain desire shape is done by?
a. forming
b. forging
c. welding
d. grinding
Q. Forging is carried out at which temperature?
a. below recrystallization temperature
b. above recrystallization temperature
c. below or above recrystallization temperature
d. above melting point
Q. Which of the following is a type of forging?
a. open die
b. closed die
c. impression dies
d. hold dies
Q. In which of the following forging metal is kept in the lower die?
a. open die
b. closed die
c. impression dies
d. hold dies
Q. In which of the forging process metal is kept in between a pair of dies and a gutter is provided in the lower die?
a. open die
b. closed die
c. impression dies
d. hold dies
Q. In which of the forging process metal is kept in between a pair of dies and no gutter is provided in the lower die?
a. open die
b. closed die
c. impression dies
d. hold dies
Q. The extra metal which settles down in the gutter is known as?
a. flash
b. slag
c. flux
d. barrelling
Q. In which of the following forging process no flash is formed?
a. open die
b. closed die
c. impression dies
d. hold dies
Q. In which of the following forging process poor material utilization occurs?
a. open die
b. closed die
c. impression dies
d. hold dies
Q. Cogging, which is also called as drawing out, is basically?
a. open die forging operation
b. closed die forging operation
c. impression dies forging operation
d. hold die forging operation
Q. In rolling operation, the roll rotates with surface velocity?
a. exceeding the speed of incoming metal
b. lower than the speed of incoming metal
c. equal to speed of the incoming metal
d. very higher than the speed of incoming metal
Q. A round billet made of 70-30 brass is extruded at a temperature of 675°C. The billet diameter is 125 mm, and the diameter of the extrusion is 50 mm. Calculate the extrusion force required.
a. 4 mn
b. 5 mn
c. 5.6 mn
d. none of the mentioned
Q. In which type of extrusion, a billet is placed in a chamber?
a. forward
b. indirect
c. hydrostatic
d. impact
Q. In which type of extrusion, the die moves toward the unextruded billet?
a. forward
b. indirect
c. hydrostatic
d. impact
Q. In which type of extrusion, the billet is smaller in diameter than the chamber?
a. forward
b. indirect
c. hydrostatic
d. impact