1. Sphericity of a cubical particle, when its equivalent diameter is taken as height of the cube is ______

a) 0.5

b) 1

c) 2^{0.5}

d) 3^{0.5}

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2. Mass flow of a granular solid (M) through a circular opening of diameter, D follows ___

a) M directly proportional to D^{0.5}

b) M directly proportional to D^{2}

c) M directly proportional to D^{3}

d) M directly proportional to D

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^{3}.

3. For a non-spherical particles, the sphericity __________

a) The ratio of sphere area to the actual surface area

b) Has the dimension of the length

c) Always less than 1

d) Greater than 1

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4. The inlet pressure in a constant rate filtration _____

a) Increases continuously

b) Decreases continuously

c) Remains constant

d) No effect

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5. 200 mesh screen mean 200 opening per_______

a) cm^{2}

b) inch

c) cm

d) inch^{2}

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6. Flow of filtrate through the cake in plate and frame filter press is best described by the ______ equation.

a) Kozney Carman

b) Hagen Poiseullie

c) Fanning

d) Kremser

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7. Apron conveyors are used for _________

a) Heavy loads and short runs

b) Small loads and long runs

c) Heavy loads and small runs

d) Small load and small runs

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8. Cyclones are used primarily for separating ____

a) Solid

b) Liquid

c) Solid from liquid

d) Solid from solid

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9. Moore filter is a filter_____

a) Leaf

b) Press

c) Rotary

d) Sand

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10. Mesh indicates the number of holes per____

a) Square inch

b) Square foot

c) Linear inch

d) Linear foot