| Post Name | TRADESMAN (FORGING & HEAT TREATING) |
|---|---|
| Department | Technical Education |
| Question Paper Code | 158/2014 |
| Date of Test | 30 September 2014 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
âThe term forging refers to :
Answer
A. Plastic deformation
2
A very difficult forgable material is ;
Answer
B. Beryllium
3
The highly elastic material is :
Answer
D. Steel
4
Slow and progressive deformation is called :
Answer
C. Creep
5
When a material is subjected to cyclic periodic loading, the property occurring is :
Answer
B. Fatigue
6
Hookeâs Law states that :
Answer
C. Stress/Strain = Constant
7
The process of forming new grain structure with reduced grain size when a metal is heated
and deformed is called :
Answer
A. Re-crystallisation
8
Hot working temperature of steel is :
Answer
D. 1100-1260°C
9
Length of work piece is reduced by :
Answer
A. Upsetting
10
The cooling medium in normalising is :
Answer
C. Air
11
Pure Iron melts at :
Answer
D. 1539°C
12
Martensite is :
Answer
D. Brittle
13
Toughness is the ability to absorb :
Answer
A. Impact
14
Heat treatment is done to change : ,
Answer
C. Mechanical properties of metal
15
Which of the below is not a surface hardening process ?
Answer
D. Annealing
16
A brittle material is :
Answer
B. Cast iron
17
Gamma Iron has the crystal structure of ;
Answer
D. fee
18
The property by which a material absorbs energy without plastic deformation is :
Answer
D. Toughness
19
In forging operation, work piece is usually subjected to :
Answer
D. Compressive stress
20
Forging is
Answer
B. (ii) and (iii) are true
21
Hot die forging is also known as :
Answer
C. Isothermal forging
22
The body of Anvil is made of ;
Answer
A. Mild steel
23
In Anvil, hardie hole is used for :
Answer
C. Holding square shanks
24
In smithy operation, for general pick up work :
Answer
C. Gad tong is used
25
Necking down of work piece is done by :
Answer
B. Fullers
26
Flux used in forge welding is :
Answer
A. Calcined Borax
27
The method of preparing metal pieces for forge welding is called :
Answer
D. Scarfing
28
Drop forging comes under :
Answer
B. Impression die forging
29
Forging process for shaping round bars is called :
Answer
B. Rotary forging
30
Iron with little or no carbon is called :
Answer
A. Ferrite
31
The hardening response of steel to heat treatment is measured by :
Answer
B. Jominy Test
32
Which of the following metal is magnetic ?
Answer
B. Nickel
33
The metal used for die casting is :
Answer
C. Zine
34
Metal with low melting point is :
Answer
Question Cancelled
35
Galvanization is the process of coating :
Answer
B. Zine
36
Age hardening of non-ferrous metals is called :
|
Answer
C. Precipitation hardening
37
Dolomite is an important ore of :
Answer
C. Magnesium
38
The process of making blind holes is :
Answer
A. Piercing
39
The process of hammering a heated bar into aligned die cavity is called :
Answer
B. Drop forging
40
Pitting of the forging surface is caused by :
Answer
C. Scale
41
The defect occurred in some alloy steel due to rapid cooling from forging temperature is :
Answer
Question Cancelled
42
The defect caused by misalignment between top and bottom forging dies is called :
Answer
B. Die shift
43
Simple way to remove scale from a forged part is :
Answer
A. Using steam and compressed air
44
The final treatment after forging is done to :
Answer
C. Make the forging hard and tough
45
Flat forging of gear blanks are usually done by ;
Answer
A. Upsetting
46
During tempering, forged paris are cooled using :
Answer
Question Cancelled
47
The mechanism used in presses for freeing the work piece from a die is called :
Answer
B. Knock out
48
The process of thinning the walls of a shell by forcing it through a die with a punch is
called :
Answer
D. Ironing
49
Vacancy is :
Answer
A. Point defect
50
Which one of the below is used to eliminate coarse grained structure :
Answer
D. Normalising
158/2014 8 A
51
Quenching is the process of :
Answer
A. Rapid cooling of metals
52
The ability of the material to resist deformation is :
Answer
D. Stiffness
53
Poisson's ratio is the ratio between :
Answer
B. Transverse strain to axial strain
54
For ductile materials, factor of safety is:
Answer
Question Cancelled
55
Carbon content in cast iron is :
Answer
B. 2.1-4.5%
56
The hardest known material is :
Answer
D. Diamond
57
The ability of a material that can be drawn into thin wire is :
Answer
D. Ductility
58
Alloying of vanadium increases :
Answer
A. Toughness and wear resistance of steel
59
The purest iron is :
Answer
C. Electrolytic iron
60
TTT stands for :
Answer
A. Time Temperature Transformation
61
The welding accompanied by the application of pressure is :
Answer
C. Plastic welding
62
The change of state of alloys due to variation in temperature and concentration is represented
by:
Answer
B. Phase diagram
63
The fuel used in hearth is :
Answer
A. Coke
64
The forging temperature of wrought iron is :
Answer
B. 900-1300°C
65
An English anvil has :
Answer
D. One beak
66
Swage block is made of :
Answer
C. Cast iron
67
Open mouth tong is used to hold :
Answer
A. Heavier stock
68
Cold chisel has a cutting angle of :
Answer
D. 60°
69
Necking down of a work is done by :
Answer
C. Fullers
70
Before scarf welding the ends of work pieces are :
Answer
B. Rounded
71
The forging machine working by pressure are called :
Answer
C. Presses
72
The common mass of Anvil is about : ,
Answer
A. 150 kg
73
The vice commonly used in smithy is :
Answer
D. Leg vice
74
The angle of double cut file is :
Answer
Question Cancelled
75
The material for hacksaw blade is :
Answer
B. HSS
76
Prick punch has an approximate included angle of :
Answer
A. 30°
77
Least count of steel rule is :
Answer
A. 0.5mm
78
For smithy operation an anvil used to hold small work piece is :
Answer
C. Bick iron
79
Tool used to level and finish the corners of flat surfaces is :
Answer
A. Set hammer
80
Effective length of a file is the distance from :
Answer
A. Point to the heel
81
The River which originated from the âGaymukhâ cave of Himalaya :
Answer
A. Ganga
82
The Indian Museum situated in the place of :
Answer
A. Kolkatta
83
The institution which calculates Indiaâs national income :
Answer
A. Central Statistical Organisation
84
National Rural Employment Guarantee Act was passed in the year :
Answer
D. 2005
158/2014 12 A
85
The architect of first five year plan of India is :
Answer
B. K.M. Raj
86
The Cashewnut Research Station of Kerala is existed in :
Answer
C. Anakkayam
87
âAshtamudi kayalâ existed in the district of :
|
Answer
D. Kollam
88
The District with least coastal plains :
Answer
B. Kollam
89
The town âCheruthuruthyâ situated on the River bank of : |
Answer
B. Bharathapuzha
90
Name the agitation started in Kerala as a protest against the constitutional reforms of 1982 ;
Answer
D. Nivarthana agitation
91
The founder of âPrathyaksha Raksha Daivasabha (PRDS) was :
Answer
C. Kumara Guru
92
Who conducted âYachana Yathraâ from Trichur to Kasaragode to collect money for the
programme of educational reforms ?
Answer
C. V.T. Vattatirippad
93
Identify the founder of âAnanda Mahasabhaâ :
Answer
C. Brahmanada Sivayogi
94
When did Father Kuriakose Elias Chavara was beatified by Pope John Paul Il?
Answer
A. 1986
95
The district which firstly declared as âSmoke Free Districtâ in India :
Answer
A. Kottayam
96
Name the literary works which secured Odakkuzhal award in 2013 :
Answer
C. Aarachar
97
The first Malayalam University of Kerala is setup in the District of :
Answer
D. Malappuram
98
How many digits consists in the unique id number of AADHAR ?
Answer
B. 12
99
âOperation New Dawnâ is the beginning of stability in :
Answer
B. Iran
100
The Bodo language is spoken in the state of :
Answer
D. Assam
-o00- â
158/2014 14 A
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