

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