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1000 Mechanical Operations
Quiz 1
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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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