Molding Processes MCQs : Here you will find MCQ Questions related to "Molding Processes" in Casting, Forming & Welding. These Molding Processes MCQ Questions Will help you to improve your Casting, Forming & Welding knowledge and will prepare you for various Examinations like Competitive Exams, Placements, Interviews and other Entrance Exmaniations.
Question 1
___________ is a moulding process that involves the use of furan (chemical binders) to bond the moulding sand.
A. Clay-bentonite
B. Wood saw
C. Furan
D. Nobake
Question 2
In Nobake moulding process, the chemical process of hardening of binder starts when ___________
A. The sand is poured into the mixture
B. The sand is taken out of the mixture
C. The mixture is poured into the moulding flask
D. When the molten metal is poured into the cavity
Question 3
The Nobake mould have a higher strength as compared to other moulds due to _________
A. Its higher moisture content
B. Its lower moisture content
C. The property to withstand higher metallostatic pressures during casting
D. The property to adapt to any volume
Question 4
Which type of metals are compatible with mould made though Nobake process?
A. ferrous
B. non-ferrous
C. Both A and B
D. None of the above
Question 5
The degree or intensity of ramming _________
A. Increases bulk density
B. Decreases bulk density
C. Does not change bulk density
D. Can increase as well as decrease bulk density
Question 6
The permeability of green sand decreases with an intensity of ramming done on the sand.
A. TRUE
B. FALSE
C. Can be true or false
D. Can not say
Question 7
Natural moulding sand have which of the following quality(/ies) ?
A. Freely available in abundance
B. Contains clay in a large amount
C. Moisture content range is wider
D. All of the above
Question 8
RPM is also known as?
A. Silicone moulding
B. Plaster moulding
C. Rough moulding
D. Raisin moulding
Question 9
The preset mould is ignited to burn off the volatile content in the set gel to a temperature range of?
A. 50°-100°
B. 80°-120°
C. 120°-260°
D. 250°-300°
Question 10
The dried plaster moulds have extremely low permeability, about?
A. 1 to 2 AFS.
B. 2 to 3 AFS.
C. 2 to 4 AFS.
D. 1 to 3 AFS.