Workshop Technology - Section 1 (4)

Directions to Solve

Workshop Technology - Section 1

25.

The centrifugal casting method, is used for casting articles of

A.	symmetrical shape about vertical axis
B.	symmetrical shape about horizontal axis
C.	irregular shape
D.	non-ferrous metal only

Answer: Option B

Explanation:

No answer description available for this question.

26.

The property of sand due to which it evolves a great amount of steam and other gases is called

A.	collapsibility
B.	permeability
C.	cohesiveness
D.	adhesiveness

Answer: Option B

Explanation:

No answer description available for this question.

27.

The cold chisels are made by

A.	drawing
B.	rolling
C.	piercing
D.	forging

Answer: Option D

Explanation:

No answer description available for this question.

28.

The fullers are used

A.	for finishing flat surfaces
B.	for necking down a piece of work
C.	for punching a hole
D.	to finish the punched hole

Answer: Option B

Explanation:

No answer description available for this question.

29.

The low pressure acetylene is produced at the welding site by the chemical reaction between water and calcium carbonate.

A.	Correct
B.	Incorrect

Answer: Option B

Explanation:

No answer description available for this question.

30.

A saw which cuts wood during the return stroke of the saw is known as

A.	push saw
B.	pull saw or draw saw

Answer: Option B

Explanation:

No answer description available for this question.

31.

Which of the following methods can be used for manufacturing 2 metre long seamless metallic tubes?

A.	Drawing
B.	Extrusion
C.	Rolling
D.	Extrusion and rolling

Answer: Option D

Explanation:

No answer description available for this question.

32.

The temperature of oxy-hydrogen flame is __________ oxy-acetylene flame.

A.	same as
B.	less than
C.	more than

Answer: Option B

Explanation:

No answer description available for this question.

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