Questions
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Free download in PDF Lathe Machine Multiple Choice Questions and Answers for competitive exams. These short objective type questions with answers are very important for competitive exams as well as Board exams. These short solved questions or quizzes are provided by Gkseries.
1
Multiple turning head is mainly used on
A
Centre lathe
B
Turret lathe
C
Capstan lathe
D
All of the above
View Answer
2
In which of the following type of lathe, lead screw is provided for thread cutting?
A
Centre
B
Turret
C
Capstan
D
All of the above
View Answer
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3
In which of the following type of lathe, very high skill of labour is required?
A
Centre
B
Turret
C
Capstan
D
All of the above
View Answer
4
The greater the ________, stronger is the tool
A
Nose radius
B
Lip angle
C
Clearance angle
D
Side cutting edge angle
View Answer
5
When the tool face is ground to slope from the nose towards the rear end, it is called
A
Positive rake
B
Negative rake
C
Zero rake
D
None of the above
View Answer
6
An operation performed for enlarging an existing hole up to only a limited length from its one end.
A
Boring
B
Drilling
C
Counter-boring
D
Counter-sinking
View Answer
7
A single point cutting tool has (have)
A
Positive rake
B
Negative rake
C
Zero rake
D
All of the above
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8
Filing on the machined surface is done to
A
Remove burrs
B
Finish feed marks
C
To make the sharp corners perfectly square
D
All of the above
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9
In cutting Right hand threads, the spindle and lead screw rotates in the
A
Same direction
B
Opposite direction
C
Same or Opposite direction
D
Spindle rotates but lead screw does not rotate
View Answer
10
The axial advancement in one rotation of the screwed part is known as ____ of the threads.
A
Pitch
B
Lead
C
Pitch diameter
D
Helix
View Answer
11
Which of the following attachments can be used on Centre lathe?
A
Grinding
B
Milling
C
Copying
D
All of the above
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12
The following is used to turn very long job between centers on a lathe.
A
Steady rest
B
Follower rest
C
Compound rest
D
All of the above
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13
The following is used to support too flexible job very close to the cutting edge.
A
Steady rest
B
Follower rest
C
Compound rest
D
All of the above
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14
For correct setting for turning operation in a lathe machine, the tool nose should touch the workpiece _____ horizontal line which is parallel to and at the same level as the axis of correctly centred workpiece.
A
Exactly on a
B
Above the
C
Below the
D
Any of the above
View Answer
15
A desired speed of _____ can be obtained by selecting the suitable change gears having proper number of teeth.
A
Lead screw
B
Countershaft
C
Spindle
D
Feed gear box
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16
In Lathe, the back gears are used for affecting _______ in spindle speeds, thereby facilitating wider range of speeds
A
Increase
B
Reduction
C
Increase or reduction
D
None of the above
View Answer
17
The following type of Lathe is operated through Cams and Cam plate.
A
Precision Lathe
B
Crankshaft Lathe
C
Screw cutting Lathe (Automatic)
D
Duplicating Lathe
View Answer
Answer: Screw cutting Lathe (Automatic)
18
In lathe work, when the tool is fed parallel to the rotation of job work, it will produce
A
Cylindrical surface
B
Spherical surface
C
Tapered surface
D
All of the above
View Answer
Answer: Cylindrical surface
19
In taper operation, which type of surface is produced?
A
flat
B
curve
C
circular
D
none of the mentioned
View Answer
Answer: none of the mentioned
20
What is the necessary condition for turning?
A
material of work piece should be harder than the cutting tool
B
cutting tool should be harder than the material of work piece
C
hardness of the cutting tool and material of of piece should be same
D
none of the mentioned
View Answer
Answer: cutting tool should be harder than the material of work piece
