Top 250+ Solved Process Planning and Cost Estimation MCQ Questions Answer
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. 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
Q. Which of the following is an advantage of the Green sand molding process used in a foundry?
a. appropriate for long production run
b. very low cost process
c. sand is reusable
d. all of the mentioned
Q. The directional properties are imparted to the castings made in foundries.
a. single
b. double
c. spherical
d. multiple