In this article we see learn about some Machine tools and processes mcq questions, the questions are important for an exam point of view, so let's discuss,
Machine Tools and Processes MCQ Questions
1) Continuous chips are formed during machining of
a) cast iron
b) mild steel
c) aluminum
d) none of above
Ans:- (b)
2) Material having highest cutting speed is
a) cast iron
b) bronze
c) aliminium
d) all of these
Ans:- (c)
3) Flank wear occurs mainly on
a) lead relief face and side relief face
b) nose parts and top face
c) cutting edges
d) none of above
Ans:- (a)
4) Tool life is affected by
a) tool geometry
b) cutting speed
c) feed and depth
d) microstructure of material
Ans:- (a)
5) Material having lowest cutting speed is
a) bronze
b) cast iron
c) aluminum
d) high carbon steel
Ans:- (d)
6) Metal cutting operations, chips formed due to
a) liner deformation
b) shear deformation
c) linear translation
d) none of above
Ans:- (b)
7) With increase of cutting speed, the build up edge
a) become longer
b) smaller
c) may or may not form
d) none of above
Ans:- (b)
8) For copper, the rake provided
a) zero
b) negative
c) positive
d) none of above
Ans:- (b)
9) Carbide tripped tools generally have rake angle
a) positive
b) negative
c) zero
d) none of above
Ans:- (b)
10) Which strength of tool depends angle on
a) lip angle
b) cutting angle
c) rake angle
d) clearance angle
Ans:- (a)
11) Negative rake angels are used for
a) heavy loads
b) carbide tools
c) hard materials
d) all of above
Ans:- (d)
12) Cemented carbide tool are generally poor in
a) torsion
b) compresion
c) shear
d) both (a) and (b)
Ans:- (c)
13) Feed depends on
a) depth of cut
b) rigidity of machine
c) finish required
d) all of the above
Ans:- (d)
14) Cutting tool is generated low for
a) castings
b) soft material
c) regular shape materials
d) none of above
Ans:- (a)
15) Piercing and quenching operations, angle of shear is provided on
a) die
b) punch
c) both on punch and die
d) not provided to all
Ans:- (b)
16) Piercing operation, clearance is provided on
a) punch
b) die
c) provided on any member
d) half on punch
Ans:- (b)
17) Forward and return stroke shaper ratio
a) 1:3
b) 1:2
c) 2:3
d) 3:2
Ans:- (d)
18) Lathe spindle has got
a) internal threads
b) external threads
c) taper threads
d) no threads
Ans:- (b)
19) Machine tools, chatter due to
a) free vibrations
b) random vibrations
c) forced vibrations
d) self excited vibrations
Ans:- (d)
20) Best all around coolant for carbide tool
a) kerosene
b) turpentine oil
c) soluble oil
d) compressed air
Ans:- (a)
21) velocity of tool relative to work piece known as
a) cutting velocity
b) chip velocity
c) shear velocity
d) None of these
Ans:- (a)
22) In metal cutting operations, chips are formed due to
a) elastic deformation
b) plastic deformation
c) elastic and plastic deformation
d) all of above
Ans:- (b)
23) Which of the following is a non-traditional machining process?
a) Milling
b) Turning
c) Electrochemical Machining (ECM)
d) Drilling
Ans:- (C)
24) The process of removing metal by a cutter which is rotated against the workpiece is called:
a) Turning
b) Milling
c) Planning
d) Broaching
Ans:- (C)
25) Lathe machine, cutting tool is fed
a) parallel to the axis of rotation of the workpiece
b) Perpendicular to the axis of rotation of the workpiece
c) Both perpendicular and parallel to the axis of rotation of the workpiece
d) None of these
Ans:- (C)
26) Which of the following processes is used for finishing operations?
a) Grinding
b) Drilling
c) Turning
d) Casting
Ans:- (A)
27) Broaching is a process used to:
a) Produce holes
b) Enlarge existing holes
c) Produce external and internal surfaces
d) all of above
Ans:- (C)
28) The main purpose of using a coolant in a machining operation is to:
a) Increase cutting speed
b) Reduce friction between the cutting tool and the workpiece
c) Increase the hardness of the cutting tool
d) None of these
Ans: (C)
29) Which machine tool is primarily used for producing a flat or plane surface?
a) Lathe
b) Shaper
c) Milling machine
d) Drill press
Ans:- (B)
30) Electro-discharge machining (EDM) is used for:
a) Hard materials only
b) Soft materials only
c) Both hard and soft materials
d) Ferrous materials only
Ans:- (A)
31) The cutting speed for machining is usually expressed in:
a) Meters per minute (m/min)
b) Revolutions per minute (rpm)
c) Feet per second (fps)
d) Inches per minute (ipm)
Ans:- (A)
32) In CNC machines, 'G-code' is used to:
a) Indicate tool movement
b) Provide machine maintenance information
c) Identify cutting tool materials
d) all of above
Ans:- (A)
So in this article we discussed Machine Tools and Processes MCQ Questions , hope you understand well.
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