Mechanical Operations MCQ Questions & Answers | Chemical Engineering

A. < 5

B. 10 to 25

C. < 74

D. > 1000

A. Μ > tan α

B. Μ ≥ tan α

C. Μ > tan 2α

D. Μ ≤ tan α

A. Gravity separation

B. Wettability

C. Particle shape

D. None of these

A. Parabola

B. Straight line

C. Hyperbola

D. Exponential curve

A. Abrasive

B. Large quantity of very fine

C. Coarse

D. Non-sticky

A. Plastic chips are called non-cohesive solids

B. Kick's crushing law is, $$\frac{{\text{P}}}{{\text{m}}} = {\text{K}}.\ln \left( {\frac{{{{\overline {\text{D}} }_{{\text{sa}}}}}}{{{{\overline {\text{D}} }_{{\text{sb}}}}}}} \right)$$

C. Communition is a generic term for size enlargement operation

D. Energy required in kwh per ton of product, such that 80% of it passes through a 200 mesh screen, is called 'Work index'

A. Filter medium

B. Cake

C. Channel carrying the slurry to the upstream side of the cake and filtrate away from the filter medium

D. All of the above

A. 0.33-0.45

B. 1.33-1.45

C. 0.5-2

D. 1.5-2.5

A. Jaw crusher

B. Rod mill

C. Ball mill

D. Fluid energy mill

A. Rod mill

B. Fluid energy mill

C. Gyratory crusher

D. Ball mill