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100+ Manufacturing Processes Solved MCQs

These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Mechanical Engineering .

Chapters

Chapter: Basic Machine Tools and Metal Cutting Principles
1.

In which operation, motion of job is rotary and motion of cutting tool is forward translating?

A. turning
B. planning
C. milling
D. all of the mentioned
Answer» A. turning
2.

Which type of job motion is there in drilling operation?

A. rotary
B. translating
C. fixed
D. none of the mentioned
Answer» C. fixed
3.

In which type of operation, motion of cutting tool is translating?

A. drilling and milling
B. milling and turning
C. boring and drilling
D. turning and planning
Answer» C. boring and drilling
4.

In which type of operation, motion of cutting tool is rotary as well as translating?

A. planning
B. milling
C. drilling
D. turning
Answer» C. drilling
5.

In drilling motion of job is rotary.

A. true
B. false
C. none
D. all
Answer» B. false
6.

Which of the following is the example of multi point cutting tool?

A. milling cutter
B. broaching tool
C. both milling utter and broaching tool
D. none of the mentioned
Answer» C. both milling utter and broaching tool
7.

In how many groups, cutting tools can be divided?

A. 2
B. 3
C. 4
D. none of the mentioned
Answer» A. 2
8.

In how many groups, various metal working processes can be classified?

A. 2
B. 3
C. 4
D. none of the mentioned
Answer» A. 2
Chapter: Metal Cutting Lathes
9.

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
Answer» A. Cylindrical surface
10.

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
Answer» C. Screw cutting Lathe (Automatic)
11.

The following part of Lathe serves as housing for the driving pulleys and back gears

A. Head stock
B. Tail stock
C. Bed
D. Carriage
Answer» A. Head stock
12.

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
Answer» B. Reduction
13.

The following acts as driving shaft in Lathe.

A. Countershaft
B. Spindle shaft
C. Lead screw
D. None of the above
Answer» A. Countershaft
14.

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
Answer» A. Lead screw
15.

The Lathe carriage serves the following purpose of the tool

A. Guiding
B. Feeding
C. Supporting
D. All of the above
Answer» D. All of the above
16.

The following is also known as Tool rest

A. Saddle
B. Cross slide
C. Compound rest
D. Tool post
Answer» C. Compound rest
17.

The following is used in Magnetic chucks

A. Electromagnet
B. Permanent magnet
C. Both ‘A’ and ‘B’
D. None of the above
Answer» C. Both ‘A’ and ‘B’
18.

The following is used for holding bored parts for machining their outside surfaces on Lathe.

A. Mandrel
B. Dogs
C. Driving plate
D. Angle plate
Answer» A. Mandrel
19.

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
Answer» A. Steady rest
20.

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
Answer» B. Follower rest
21.

Which of the following attachments can be used on Centre lathe?

A. Grinding
B. Milling
C. Copying
D. All of the above
Answer» D. All of the above
22.

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
Answer» A. Exactly on a
23.

The following is taper turning method on lathe

A. Tail stock set-over method
B. By swivelling the compound rest
C. Using a broad nose tool
D. All of the above
Answer» D. All of the above
24.

External threads can be produced by means of

A. Taps
B. Dies
C. Lathe machine
D. All of the above
Answer» D. All of the above
25.

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
Answer» B. Lead
26.

To cut a screw of 3mm pitch on Lathe machine having same speeds of spindle and lead screw, the tool should move, parallel to the axis of the work, a distance of ____ for every revolution of the spindle.

A. 1.5 mm
B. 3 mm
C. 4.5 mm
D. 6 mm
Answer» B. 3 mm
27.

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
Answer» A. Same direction
28.

In lathe, form tools are used to produce

A. Cylindrical surfaces
B. Tapered surfaces
C. The surfaces which are neither cylindrical nor tapered
D. Threads
Answer» C. The surfaces which are neither cylindrical nor tapered
Chapter: Drilling Machines
29.

Which of the following operation, we can’t perform on drilling machine?

A. reaming
B. tapping
C. lapping
D. none of the mentioned
Answer» D. none of the mentioned
30.

Tapping attachment is included in_______ method of tool holding devices.

A. by chucks
B. by a sleeve
C. by directly fitting in the spindle
D. none of the mentioned
Answer» D. none of the mentioned
31.

Floating holder is included in______ method of tool holding devices.

A. by directly fitting in the spindle
B. by special attachments
C. by a socket
D. none of the mentioned
Answer» B. by special attachments
32.

Which of the following method is not used for holding tool?

A. by a sleeve
B. by chucks
C. by a socket
D. none of the mentioned
Answer» D. none of the mentioned
33.

We can’t perform grinding operation in a drilling machine.

A. true
B. false
C. none
D. all
Answer» B. false
34.

Which of the following device is not used for holding the work in a drilling machine?

A. step block
B. drill jigs
C. both step block and drill jigs
D. none of the mentioned
Answer» D. none of the mentioned
35.

In drilling operation, work should be held by hand.

A. true
B. false
C. none
D. all
Answer» B. false
36.

The drilling machine is the second most important machine tool in a workshop.

A. true
B. false
C. none
D. all
Answer» A. true
37.

The drilling machine was primarily designed to originate a _____

A. flat surface
B. cylindrical surface
C. taper surface
D. none of the mentioned
Answer» D. none of the mentioned
38.

For drilling operation, the drill rotates with_____ pressure if job is held on earth.

A. upward
B. downward
C. 45 degree inclined to both planes
D. none of the mentioned
Answer» B. downward
Chapter: Boring Machine
39.

What does the boring mean?

A. a process of making a hole in an object
B. a process of enlarging a hole which is already in an object
C. a process of finishing an existing hole very smoothly and accurately in size
D. none of the above
Answer» A. a process of making a hole in an object
40.

Which operation can correct hole location, size or alignment of the hole which is already drilled in workpiece?

A. Boring
B. Rimming
C. Both a. and b
D. None of the above
Answer» A. Boring
41.

Which drilling machine is used to perform drilling operation on the workpieces which are too heavy and also maybe too large to mount on worktable?

A. Portable drilling machine
B. Sensitive drilling machine
C. Radial drilling machine
D. none of the above
Answer» C. Radial drilling machine
42.

The effect of setting a boring tool above center height leads to

A. Increase in the effective rake angle and a decrease in the effective clearance angle
B. Increase in both effective rake angle and effective clearance angle
C. Decrease in the effective rake angle and an increase in the effective clearance angle
D. Decrease in both effective rake angle and effective clearance angle
Answer» A. Increase in the effective rake angle and a decrease in the effective clearance angle
43.

In which of the following machine, the work rotates and the tool is stationary?

A. Vertical boring machine
B. Horizontal boring machine
C. Precision boring machine
D. Jig boring machine
Answer» A. Vertical boring machine
44.

The process of chamfering the entrance of a drilled hole is known as_____

A. counter-boring
B. counter-sinking
C. counter-fillet
D. trepanning
Answer» B. counter-sinking
45.

On drilling machine, which process is known as reaming?

A. Enlargement of existing hole
B. Hole made by removal of metal along the hole circumference
C. Smoothly finishing and accurately sizing a drilled hole
D. All of the above
Answer» C. Smoothly finishing and accurately sizing a drilled hole
Chapter: Milling Machines
46.

During milling, the cutter usually moves

A. Perpendicular to its axis
B. Parallel to its axis
C. Inclined to its axis
D. Any of the above
Answer» A. Perpendicular to its axis
47.

The speed at which the piece advances through the cutter is called

A. Cutting speed
B. Feed rate
C. Depth of cut
D. None of the above
Answer» B. Feed rate
48.

In _____, the cutting action occurs primarily at the end corners of the milling cutter.

A. Face milling
B. Peripheral milling
C. Both (A) and (B)
D. None of the above
Answer» A. Face milling
49.

Peripheral milling is well suited to the cutting of

A. Deep slots
B. Threads
C. Gear teeth
D. All of the above
Answer» D. All of the above
50.

A milling cutter may have surfaces made of

A. High speed steel
B. Cemented carbide
C. Aluminium oxide
D. Both (A) and (B)
Answer» A. High speed steel

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