MCQs of Composite Materials (Advanced Manufacturing Processes - 3161922)

Showing 21 to 30 out of 37 Questions

21.

The controlling parameter (s) in compression molding process includes____________.

22.

Choose the CORRECT sequence during the injection molding cycle.

(a)	Mold close - Fill - Hold -Cool - Mold open - Part ejection
(b)	Mold close - Fill - Hold - Mold open - Cool - Part ejection
(c)	Mold open - Fill - Hold -Cool – Mold close- Part ejection
(d)	Mold close - Fill - Cool- Hold - Mold open - Part ejection

23.

Higher the length to diameter (L/D) ratio, greater opportunity for mixing of polymer and fiber.

(a)	True
(b)	False

24.

In which of the following process, the fiber volume fraction is difficult to control?

25.

What is the primary purpose of Vacuum Bagging in autoclave processing?

(a)	It helps in removing the air from the interfaces
(b)	It helps to make the size smaller
(c)	In autoclave processing Vacuum Bagging is not used
(d)	None of the mentioned

26.

Hand lay-up process predominantly uses ______________.

27.

Lay-up process is used where ____________________.

(a)	low production volume and low performance is required
(b)	low production volume and high performance is required
(c)	high production volume and high performance is required
(d)	high production volume and low performance is required

28.

Filament winding is ________________.

(a)	used to produce cylindrical surfaces only
(b)	used to produce curvature surfaces only
(c)	a process in which resin-impregnated fibers are wound over a rotating mandrel at the desired angle
(d)	none of the mentioned

29.

Which process is used to fabricate large axi-symmetric hollow cylindrical polymer matrix composite parts?

30.

In the resin transfer molding process, the uniformity of resin flow can be enhanced by using_______________.

Showing 21 to 30 out of 37 Questions