Q.1
Which of the following conveyors cannot be recommended for transportation of abrasive material?
  • a) Apron
  • b) Belt
  • c) Chain
  • d) Flight
Q.2
Which of the following mechanical conveyors does not come under the division carriers?
  • a) Bucket
  • b) Apron
  • c) Belt
  • d) Screw
Q.3
Which of the following impellers is not an example of axial flow impeller?
  • a) Pitched turbines
  • b) Ruston
  • c) Propeller
  • d) Hydrofoils
Q.4
Which of the following combination of the flow pattern can be observed in an open turbine?
  • b) Radial only
  • c) Mixed
  • d) Radial and axial
  • a) Axial only
Q.5
Which of the following impeller is best suited in mixing operation in lead, rubber and plastics?
  • a) Flat blade turbine
  • b) Paddle
  • c) Propeller – marine
  • d) Anchor
Q.6
Which of the following type of paddle agitators are most commonly used?
  • a) Four Bladed
  • b) Two bladed and four bladed
  • c) Two Bladed
  • d) Three Bladed
Q.7
Which of the following is/are examples of paddle agitators?
  • a) Turbine agitator
  • b) Propeller agitator
  • c) Grout agitator
  • d) Hydrostatic agitators
Q.8
Which of the following is the correct unit of velocity gradient?
  • a) s-1
  • b) ms-1
  • c) m
  • d) m3s-1
Q.9
Which of the following is not a unit of power?
  • a) kgm2s-3
  • b) Joule
  • c) erg/second
  • d) Horsepower
Q.10
Which of the following gives the total volume of the particles?
  • a) Mv/Pp
  • b) Mv/Dp
  • c) Dp/ Pp
  • d) m/Pp
Q.11
Which of the following works principle of compression?
  • a) Rod mill
  • b) Knife cutter
  • c) Blake jaw crusher
  • d) Gyratory Crusher
Q.12
Which of the following is the correct unit of throughput?
  • a) Square feet per second
  • b) Meter square
  • c) Meter cube
  • d) Cubic feet per minute
Q.13
Which of the following is a modified fluidized bed dryer?
  • a) Batch fluidized bed dryers
  • b) Hybrid fluidized bed dryer
  • c) Semi-continuous fluidized bed dryer
  • d) Plug flow fluidized bed dryer
Q.14
Which of the following characteristic part of a fluidized system is not needed in every system designed?
  • a) A gas distributor
  • b) Heating and cooling coils
  • c) Plenum
  • d) Particle bed region
Q.15
Which of the following is the principle of mixing?
  • a) Centrifugal force
  • b) Perpendicular force
  • c) Shear force
  • d) Gravitational force
Q.16
Which of the following is not an example of axial flow impellers?
  • a) Hydrofoil
  • b) Low-level mixing impeller
  • c) Propeller
  • d) Pitched blade
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