Q.1
Which of the following explains Mechanical Operations correctly?
  • a) Deals with Science and Technology of particulate matter
  • b) Deals with Science and Technology of machine operations
  • c) Deals with Science, Technology of particulate matter and machine operations
  • d) None of the mentioned
Q.2
Which of the following is not a type of Machine Operations?
  • a) Turning
  • b) Drilling
  • c) Milling
  • d) Grating
Q.3
Which of the following is a type of Mechanical Operations generally used in industries?
  • a) Size reduction
  • b) Clarification
  • c) Screening
  • d) All of the mentioned
Q.4
Which of the following Mixers are used for Cohesive Solids?
  • a) Disperser
  • b) Tumbling mixer
  • c) Ribbon blender
  • d) Impact wheels
Q.5
Which of the following Size reduction equipment is commonly used in industries?
  • a) Impact wheels
  • b) Roller Mill
  • c) Kneader
  • d) All of the mentioned
Q.6
Which of the following works on the principle of compression and impact?
  • a) Fine crusher
  • b) Jaw crusher
  • c) Tramp crusher
  • d) Gyratory crusher
Q.7
Which of the following is used for fine crushing?
  • a) Jaw crusher
  • b) Camp crusher
  • c) Stump battery
  • d) Dodge crusher
Q.8
Which of the following is the capacity Q in tons?
  • a) 1.20 ND wds
  • b) 0.0068 ND wds
  • c) 10 N D
  • d) 5 ND wds
Q.9
Which of the following works on the principle of impact?
  • a) Gyratory Mill
  • b) Jaw crusher
  • c) Ball mill
  • d) Roll crusher
Q.10
Which of the following is true, when operating speed is less than critical speed?
  • a) Bold grinding
  • b) Effective grinding
  • c) No grinding
  • d) Best grinding
Q.11
Which of the following resides more energy?
  • a) Open circuit
  • b) Closed Circuit
  • c) By-pass
  • d) Bi-lateral
Q.12
Which of the following is a standard screen?
  • a) McCabe screen
  • b) Camp screen
  • c) Treybal screen
  • d) Tyler screen
Q.13
Which of the following involves vibrations?
  • a) Hammer mill
  • b) Ball mill
  • c) Roll mill
  • d) Grizzly screen
Q.14
Which of the following operates at the slowest speed?
  • a) Gyrating screens
  • b) Tumbler
  • c) Oscillating screen
  • d) Tromells
Q.15
Which of the following can be used for separation of pulp?
  • a) Liquid cyclone
  • b) Cone classifiers
  • c) Drag classifier
  • d) Elutriator
Q.16
Which is best of the following for fine separation?
  • a) Drag classifier
  • b) Tumbler mill
  • c) Dorr classifier
  • d) Rake classifier
Q.17
Which of the following agitation methods in a jet mixer is best suited for pH control?
  • a) Medium agitation
  • b) Mild agitation
  • c) Violent agitation
  • d) Any mode of agitation can be appropriate for pH control
Q.18
Which of the following has the lowest efficiency?
  • a) Impellor mixer
  • b) Agitator mixer
  • c) Tumbling mixer
  • d) Propeller mixer
Q.19
Which of the following is best for kneading?
  • a) Agitator
  • b) Sigma
  • c) Propeller
  • d) Impellor
Q.20
Which of the following filter may prove unsuitable for filtering volatile liquid?
  • a) Vacuum
  • b) Centrifugal
  • c) Gravity
  • d) Pressure
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