Manufacturing Technology (3151912) MCQs

MCQs of Foundary Technology

Showing 11 to 20 out of 125 Questions
1 2 3 4 5 6
11.

 The dowels are

(a)

wooden nails
(b)

box nail
(c)

wire nails
(d)

none of these
Answer:

Option (a)

12.

The purpose of a gate is to

(a)

deliver molten metal into the mould cavity
(b)

act as a reservoir for the molten meta
(c)

feed the molten metal to the casting in order to compensate for the shrinkage
(d)

deliver molten metal from pouring basin to gate
Answer:

Option (a)

13.

The surface to be machined is marked on the pattern by

(a)

red colour
(b)

yellow colour
(c)

black colour
(d)

blue colour
Answer:

Option (a)

14.

 When a pattern is made in three parts, the top part, is known as a

(a)

drag
(b)

cheek
(c)

cope
(d)

none of these
Answer:

Option (c)

15.

A sand employed on the faces of the pattern before moulding, is called

(a)

green sand
(b)

dry sand
(c)

loam sand
(d)

parting sand
Answer:

Option (d)

16.

Loam sand is a mixture of

(a)

30% sand and 70% clay
(b)

50% sand and 50% clay
(c)

70% sand and 30% clay
(d)

90% sand and 10% clay
Answer:

Option (b)

17.

The shrinkage allowance for cast iron pattern is

(a)

10 mm/m
(b)

16 mm/m
(c)

20 mm/m
(d)

26 mm/m
Answer:

Option (a)

18.

A pattern maker's shrinkage rule considers

(a)

all pattern allowances
(b)

only shrinkage allowance
(c)

all materials to be cast
(d)

all materials of the pattern
Answer:

Option (b)

19.

The machining allowance provided on patterns depends upon

(a)

type of casting metal
(b)

size and shape of casting
(c)

method of casting used
(d)

all of these
Answer:

Option (d)

20.

The purpose of a riser is to

(a)

deliver molten metal into the mould cavity
(b)

act as a reservoir for the molten metal
(c)

feed the molten metal to the casting in order to compensate for the shrinkage
(d)

deliver the molten metal from pouring basin to gate
Answer:

Option (c)

Showing 11 to 20 out of 125 Questions
1 2 3 4 5 6