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Directions to Solve

In each of the sentences given below a word is printed in bold. Below it four choices are given. Pick up the one which is most nearly the same in meaning as the word printer in bold and can replaces it without altering the meaning of the sentence.

Q1: Silence is mandatory for meditation to be effective.

A needed

B compulsory

C necessary

D required

Q2: The oxy-acetylene gas used in gas welding produce a flame temperature of

A 2100°C

B 2400°C

C 3200°C

D 1800°C

Q3: Metal patterns require __________ draft allowance than wooden patterns.

A less

B more

Q4: For gas welding, the presure desired at the welding torch for acetylene is

A 560 to 840 kN/m2

B 7 to 103 kN/m2

C 280 to 560 kN/m2

D 70 to 280 kN/m2

Q5: Spot welding is used for welding

A butt joints in plates having thickness above 3 mm

B lap joints in plates having thickness above 3 mm

C butt joints in plates having 0.025 mm to 1.25 mm thickness

D lap joints in plates having 0.025 mm to 1.25 mm thickness

Q6: Thermit welding is often used in

A repairing broken shears

B joining rails, truck frames and locomotive frames etc.

C all of the above

D replacing broken gear teeth

Q7: The directional solidification in casting can be improved by using

A chills and chaplets

B chills and padding

C chills, chaplets and padding

D chaplets and padding

Q8: A sand employed on the faces of the pattern before moulding, is called

A parting sand

B loam sand

C green sand

D dry sand

Q9: Which of the following statement is wrong?

A The angular clearance on dies varies from 0.5° to 1°.

B In press operation, the size of the pierced hole is independent of the size of punch.

C none of the above

D In drawing operation, the metal flows due to plasticity.

Q10: When two metal pieces of different thicknesses are to be welded by projection welding, then the projections should be made on __________ metal piece.

A thinner

B thicker