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F192213 Pages:5

Which of the following casting methods utilises wax pattern ?
a) Shell moulding b) Investment casting ©) Plaster moulding d) Slush casting

The thickness of a metallic sheet is reduced from an initial value of 16 mm to a final value 10 mm in one
single pass rolling with a pair of cylindrical rollers each of diameter 400 mm. The true strain is

a) 5.936 b) 7.936 c) 8.936 d) 9.936
The process used to make different designs on each side of work piece is

a) embossing b) heading c) piercing d) coining
The 3-2-1 principle of locating is also known as

a) Fool proofing b) Six point locating 0) datum d) Zero point location
principle principle
Which of the following forming processes is suitable for making utensils and cup shaped objects?

a) Forging b) Rolling c) Deep drawing d) Wire drawing

The method of joining metal surface by introducing a non ferrous alloy with melting point above 400° C
is known as

a) Soldering b) Brazing c) Welding d) None of the above
Which of the following is an extensive property?

a) Surfacetension ൧) Heat capacity c) Refractive index d) Viscosity

The crystal structure of brass is

a) BCC b) FCC c) HCP d) Mixture of all of
the above

For pumping highly viscous fluids the type of pump generally used is

a) Centrifugal b) Multistage © Sliding vane d) Screw pump
centrifugal
If J = number of binary joints in the kinematic chain, H = number of higher kinematic pairs, L =

number of links, The equation for criterion of constraint is given by,
a) H ௦)

+ = 2 9 +1 >1 1
i iar ച്ചി

d)

3 3
J+H=5(L-1) J+H=S5(L+))

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