LATHE MACHINE MCQ 1
1) Which one of the following is not a part of the centre lathe?
Saddle
Feed rod
Arbor
Lead screw
Correct Answer- (C)
2) In a gap bed lathe, the gap is provided
Just below the nose of the headstock spindle
Just below the spindle of the tailstock
In the middle of the bed
Anywhere in the bed
Correct Answer- (A)
3) The headstock of a lathe is situated at the
Right-hand end of the lathe bed
Left-hand end of the lathe bed
Middle of the lathe bed
Bottom of the lathe bed
Correct Answer- (B)
4) The horizontal feed, cross feed and screw cutting movement in a lathe is controlled by
Headstock
Tailstock
Cross-slide
Apron
Correct Answer- (D)
5) A face plate is held at
Headstock spindle
Tailstock
Tool post
Bed
Correct Answer- (A)
6) Tumbler gear quadrant is used for
Increasing the speed of the spindle
Decreasing the speed of the spindle
Changing the direction of rotation of the lead screw
Changing the direction of the spindle
Correct Answer- (D)
7) The sliding surfaces of the lathe bed are
Flame hardened
Case hardened
Normalised
Tempered
Correct Answer- (A)
8) While drilling in lathe, the drill is held in the
Headstock
Tailstock
Compound rest
Bed
Correct Answer- (B)
9) Back-gear mechanism is provided in cone pulley headstock to
Reduce the speed of spindle
Increase the speed of spindle
Reverse the speed of spindle
Transmit power from spindle gear to stud gear
Correct Answer- (A)
10) Which among the following parts of a lathe should have high compressive strength?
Bed
Main spindle
Lead screw
Sliding gears in headstock
Correct Answer- (A)
11) Lathe bed is made of
Mild steel
Cast iron
High carbon steel
High alloy steel
Correct Answer- (B)
12) A tumbler gear unit consists of
One gear
Two gears
Three gears
Four gears
Correct Answer- (C)
13) To prevent lathe bed guideways from damaging by chuck while mounting
Take the help of the supervisor
Support it with screw jack
Lift it with hand crane
Place a wooden piece on the guideways
Correct Answer- (D)
14) Which one of the following on a lathe is used to give depth of cut?
Compound slide
Top slide
By adjusting the tool
Cross slide
Correct Answer- (D)
15) The lathe bed has
One set of ‘V’ guideways and flatways
Two sets of ‘V’ guideways and flatways
Three sets of ‘V’ guideways and flatways
Four sets of ‘V’ guideways and flatways
Correct Answer- (B)
16) The cross-slide in a lathe moves
a) Parallel to the axis of rotation
b) At any angle to the axis of rotation
c) Perpendicular to the axis of rotation
d) Either ‘a’ or ‘b’
Correct Answer- (C)
17) The carriage in a lathe moves
a) Parallel to the axis of rotation
b) At any angle to the axis of rotation
c) Perpendicular to the axis of rotation
d) Either ‘a’ or ‘b’
Correct Answer- (A)
18) The compound slide swivel base is set at 45° to the centre line of lathe. The degree of the reading at the cross slide index will be
135°
90°
45°
30°
Correct Answer- (C)
19) The carriage of a lathe travels along which axis?
“B” axis
“Z” axis
“Y” axis
“X” axis
Correct Answer- (B)
20) Which one of the following statements is true with respect to the half nut?
It is detachable part of the saddle
It is an integral part of the saddle
It is an integral part of the apron
It is detachable part of the apron
Correct Answer- (D)
