| Post Name | TRADESMAN - TURNING |
|---|---|
| Department | TECHNICAL EDUCATION (TVM - PKD - KGD) |
| Question Paper Code | 181/2014 |
| Date of Test | 30 October 2014 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
An oily floor should be cleaned by:
Answer
C. Putting saw duat or sand
2
The file used for trimming the rough edges of soft metal casting:
Answer
B. Rough file
3
The cutting angle for chipping mild steel ia: |
Answer
C. 55°
4
The box nut of bench vice is made of :
|
Answer
C. Phospharous bronze
5
The point angle of drill depends on:
Answer
B. Work materials
6
The distance, which the cutting edge of a tool passes over the material in a minute while
machining, is known as:
Answer
D. Cutting speed
7
The suitable cutting fluid for drilling mild steel in a centre lathe is:
Answer
C. Soluble oil
8
The process of enlarging the end of hole for accommodating the socket screw head:
Answer
A. Counter boring
9
Calculate the tapping hole size for a M10 1.5 precision screw thread:
Answer
A. 8.2
10
The purpose of rake angle is :
Answer
D. To guide the chip away and avoid clogging
11
The main advantage of orthogonal cutting is:
Answer
D. Suitable for finish turning
12
The most important quality of any cutting fluid is: |
Answer
B. Viscosity
13
AM.5 round 30 mm dia. and 100 mm length has to be turned 25 mm dia. in one cut for full
length r.p.m and feed rate is 200 and 0.2 mm respectively, turning time is: |
Answer
A. 2.5 minutes
14
Lathe bed are made out of:
Answer
B. Grey cast iron
15
The centre drill size is selected on the basis of:
Answer
C. Diameter of work
16
Running the drill too fast, result in:
Answer
B. Spoiling the cutting edge
17
The included angle of yee groove in ‘V’ block 1s:
Answer
B. 90°
18
Which of the following is NOT the part of combination set?
Answer
C. Swivell head
19
When the taper ehank of the drill is larger than the tailstock spindle bore, the device to hold
the drill is?
Answer
A. Drill socket
20
Fora hole ¢ 10mm, the reaming allowance should be about:
Answer
A. 0.2mm
21
The tail stock offset method of taper turning, amount of offset may be measured:
Answer
D. Using crose slide graduated collar and feeler gauge
22
‘The property of metal by virtue of which it offers resistance of abrasion, indentation or wear
is known as:
Answer
A. Hardness
23
The least count of vernier bevel protractor is:
Answer
B. 5
24
For grinding carbide materials:
Answer
Question Cancelled
25
Agrinding wheel is marked 51 A 46 K 5VBE. What does 5 denote:
Answer
C. Structure
26
The teeth of hacksaw blade are set to:
Answer
D. All of above
27
The pitch of 3-start thread is lead divided by:
Answer
B. 3
28
Which of following reamer particularly suitable for reaming holes having key way groove:
Answer
C. Helical reamer
29
The effect of using glazed or loaded wheel is:
Answer
D. All of above
30
Screw threads are produced without metal removing by a process called: |
Answer
B. Thread rolling
31
Buttress threads are most commonly used for:
Answer
A. Resisting force exerted in one direction
32
In hole basis system:
Answer
B. The size of the hole is made constant
33
The pattern of the work surface caused by movement of cutting tool is known as:
Answer
D. Surface texture
34
Which one of following indicates the Ra value:
Answer
A. 0.001 mm
35
Lathe mandrels can be termed as:
Answer
C. Fixture
36
Lathe mandrels can be termed as: |
Answer
D. Template |
37
Jig is device which:
Answer
B. Guide the cutting tool
38
Cast iron is used for manufacturing machine beds because:
Answer
A. Itis harder and brittle metals
39
Galvanized iron is coated with:
Answer
A. Zinc
40
Bronze is an alloy of
Answer
D. Lead and tin |
41
Which one of the following is physical property of metal? )
Answer
B. Malleability
42
Liquid carburising is done in heated salt bath which one of following NOT a carburising salt: |
Answer
B. Sodium sulphate |
43
Lead is a metal used for balancing weight during lathe face plate works the reason for this is
that. lead is:
Answer
A. Most toughest
44
Which one of following metal has less carbon content:
Answer
C. Mild steel
45
Annealing is a process of heating the steel above upper critical temperature and cool it:
Answer
A. Atmospheric air
46
Centre line of the contact rollers and datum surface of the sine bar are:
Answer
D. Same line
47
Ina vernier micrometer, vernier scale is graduated on:
Answer
D. Barrel
48
Which instrument is used for checking the inside size of slots or holes:
Answer
A. Comparator gauge
49
In which one of the following standard tapers, it is easy to determine the taper dimensions
when the specification is given in number:
Answer
B. H) Morse taper
50
[na multi start thread, the axial advancement of bolt in to the nut for each revolution of the
balt:
Answer
A. Root
51
A capstan lathe meant for bar work has a bar feed mechanism and a hollow main spindle.
The hollow main spindle has a provision to mount:
Answer
C. Collect chuck {
52
§2. Which taper is used on spindle nose of the lathe head stock?
Answer
Question Cancelled
53
C.N.C lathe machines have built in co-ordinates measuring system, the zero position of this
co-ordination system is called:
Answer
B. Machine zero point
54
Which one of following factors will NOT influence the selection of cutting speed?
Answer
D. Diameter of work piece
55
‘Taper turning by using compound slide method can cause the following defect?
Answer
D. Poor surface finish
56
Tool makers buttons are used for:
Answer
B. Aligning the work piece for boring to given datum
57
When using taper turning attachment, the depth of cut given by?
Answer
A. Compound slide
58
A follower steady consists of:
Answer
D. Two pad
59
While using the form tool method of taper turning:
Answer
A. Carriage to be locked
60
Which among the following centre is suitable when work piece held between centres to be
turned at high speed?
Answer
C. Revolving centre
61
The hand of the thread that is being cut is determined by the rotation of the:
Answer
D. Lead screw
62
The taper ratio of standard metric self holding taper is:
Answer
A. 1:20
63
Which one of the following ferrous metal can't be melted into a liquid state?
Answer
B. Wrought lron
64
The filler metal used during brazing is an alloy of:
Answer
A. Copper and zinc
65
Which one of the following mechanical properties is most essential for the metals to undergo
forging operation?
Answer
C. Plasticity
66
Which among the following will have least coefficient of expansion?
Answer
D. Nickel
181/2014 10 A
67
Which one of the following properties increase when the property of hardness of metal is
increased?
|
Answer
A. Brittleness
68
Which one of the following is used for gas carburising?
:
Answer
B. Methane
69
Which one of the following tool material is used to make forged turning tools to work at low
cutting speeds?
Answer
C. High carbon steel
70
Which one of the following work materials need carbide tools with chip breakers for rough |
turning?
Answer
C. Mild steel
71
A lathe half centre is used to:
Answer
D. To face the work piece up to end of centre hole |
72
The width of tool used to cut 10 min pitch square thread is: |
Answer
C. c) 5mm
73
Heat treatment of metal is necessary:
Answer
D. To produce certain desired properties
74
The measured size of dimension of component is called:
|
Answer
D. Actual size
A 11 181/2014
[P.T.O.]
75
A follower study is held on the:
Answer
C. Lathe carriage
76
A taper ring gauge is used for checking:
Answer
A. External taper
77
The number of threads per inch can be checked with a:
Answer
C. Screw pitch gauge
78
78 Which thread are used in lathe lead screw?
Answer
C. Acme thread
79
Zero error in micrometer means:
Answer
D. Zero on thimble and datum line on sleeve do not coincide when measuring faces
80
The maximum clearance between hole 80°" and shaft 30°" js:
Answer
A. 0.05 mm
81
Who was the chief Guest of India's 65" Republic Day in 2014?
Answer
A. Shinzo Abe
82
Next winter Olympica will be held in south korea in which year:
Answer
A. 2018
83
World Cancer Day Observes on:
Answer
A. 4% February
84
First deputy Chairman of Planning Commission in india:
Answer
B. Gulzarilal Nanda
85
The Parliament of Japan is known as:
Answer
B. Diet
86
First Person to declined the Nobel Prize:
Answer
A. Jean - Paul Sartre
87
Yogakshma Movement was started in which year: |
Answer
A. 1908
88
The first country that gave women the right to vote in 1893:
Answer
B. Newzeland
89
Who was the director of the Malayalam movie "News paper Boy"?
Answer
B. P.Ramadas
90
Ambedkar Jayanthi celebrates on:
Answer
A. 14% April
91
Recently UN Human Rights Council passed a resolution against an asian country. Find out
the name of that country: ;
Answer
C. Srilanka
92
Headquarters of Green Peace Foundation:
Answer
A. Armsterdam
93
Sree Narayana Dharma Paripalana Yogam established in which year:
Answer
A. 1903
94
First President of Indian Science Congress:
Answer
D. Sir Asutosh Mukherjee
95
Who waa the first winner of Rajiv Khel Ratna Award?
Answer
A. Viswanathan Anand
96
Article 21 A of the Indian constitution refers to:
Answer
A. Right to Education
97
The First Chief Election commissioner of India:
Answer
A. Sukumar sen
98
National animal of Nepal:
Answer
B. Cow
99
Name the country win the 20-20 World cup cricket 2014:
Answer
C. Srilanka
100
New Chief justice of Supreme Court of India:
Answer
D. Justice Rajendra Mal Lodha
181/2014 14 A
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