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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 compulsory

B necessary

C required

D needed

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

A 1800°C

B 2100°C

C 2400°C

D 3200°C

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

A more

B less

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

A 7 to 103 kN/m2

B 70 to 280 kN/m2

C 280 to 560 kN/m2

D 560 to 840 kN/m2

Q5: The process extensively used for making bolts and nuts is

A hot piercing

B extrusion

C cold peening

D cold heading

Q6: Spot welding is used for welding

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

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 butt joints in plates having thickness above 3 mm

Q7: Thermit welding is often used in

A replacing broken gear teeth

B repairing broken shears

C joining rails, truck frames and locomotive frames etc.

D all of the above

Q8: The directional solidification in casting can be improved by using

A chills and chaplets

B chills and padding

C chaplets and padding

D chills, chaplets and padding

Q9: 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

Q10: Which of the following statement is wrong?

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

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

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

D none of the above