| Post Name | TECHNICIAN GRADE II(BLACKSMITH CUM WELDER) |
|---|---|
| Department | KCMMF LTD |
| Question Paper Code | 208/2015 |
| Date of Test | 19 November 2015 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
Carbon content of grey cast iron is:
Answer
D. 2-3.5%
2
Brass is:
Answer
A. Cu-Zn alloy
3
Large size bolt heads are made by :
Answer
D. Upset forging
4
Amicronis:
|
Answer
D. 0.001mm
5
The melting point of gold is: :
Answer
C. 1063°C
6
For soldering of Brass and Copper, the flux used is :
Answer
A. Zine Chloride
7
Forging results in the following :
Answer
B. Improves the grain flow
8
The property of a material which enables it to retain the deformation permanently is called : |
|
Answer
D. Plasticity
A 3 |
: [P.T.O.]
9
Blast finance is used to produce :
Answer
A. Pig iron
10
Wrought iron : :
|
Answer
D. all of these.
11
Which of the following materials cannot be forged?
Answer
B. Cast iron
12
Hot working operation is carried at :
Answer
D. Above recrystallization temperature
13
In an anvil, punch hole is used for : : ;
Answer
A. Bending rods of small diameter |
14
Which of the tong used for bolts rievets and other work of a circular section?
Answer
D. None of the above
15
Swaging:
Answer
C. Is a forging operation in which two halves of a rotating die open and close rapidly
while impacting the end of the heated tube or shell.
16
Bick iron is made of :
Answer
A. Tool steel
17
Cutting edge of a cold chisel, hot chisel are respectively :
Answer
A. 60,30
18
In forge welding the method of preparing the pieces of metal for welding is :
Answer
C. Scarfing
19
Commonly used size of anvil is :
Answer
A. 150kg
20
The process in which the cross section of the work piece is increased by reducing its length is
called : |
Answer
A. Upsetting
21
Which of the following process is different from the rest of the processes?
Answer
D. Drop forging
22
Alpha iron has the crystal structure of :
|
Answer
A. BCC
23
The defect occurred in some alloy steel due to rapid cooling from forging temperature is :
Answer
C. Cracks
24
Corronion resistance of steel is increased by adding :
Answer
C. Nickel and chromium
25
Which of the following processes would produce strongest components? _
Answer
A. Forging
26
The process of deforming a metal at room temperature to improve its hardness is known as :
Answer
D. Work hardening
27
The imperfection in crystal structure of metal is called :
|
Answer
D. Dislocation ;
28
Which of the following is the advantage of Drop farging?
|
Answer
D. Allofthe above |
29
For Smithy operation, the anvil used to hold small work piece is :
|
Answer
C. Bick iron
30
Which type of rule is used for marking and measuring patterns and hot jobs handled by |
blacksmith?
Answer
B. Shrink rule
31
The forging of steel specimen is done at a temperature of :
Answer
C. . 1100°C
32
The process of removing the burns or flash from a forged component in drop forging is called :
Answer
C. Trimming
33
—————— is a safety device used for protecting eyes while working in the furnace.
:
Answer
B. Mask i
34
An opening through which the blast air enters blast furnace is :
Answer
C. Tuyers
35
The furnace for melting non ferrous metals are :
Answer
D. Crusible furnace
36
The recrystallisation temperature for steel is near to :
Answer
D. 800°
37
Answer
C. -14 steel indicates plain carbon steel containing carbon percentage :
38
Dielectric materials are :
Answer
A. Insulators
39
- Forging defect :
Answer
D. Fins and rags ci
40
Fatigue strength of a part can be increased by :
Answer
A. Having surface well finished
41
Which is the only method to join metals permanently?
Answer
C. Welding
42
Centre punch tip is ground at ———_—°.
Answer
B. 90°
43
Ina gas welding which flame is used to weld brass?
Answer
C. Oxidising
44
——_—_____ is used to convert AC welding supply into DC welding supply.
Answer
C. welding rectifier
45
For primary combustion, the volume of acetylene and oxygen are supplied from the blow pipe
to produce a neutral flame :
Answer
B. 1:1
46
Which type of apron is used while during welding?
“
Answer
D. Leather
47
What will happen unsafe welding practice, keeping the welding floor in wet condition?
Answer
C. electric shock
48
Brass is an alloy of :
Answer
B. copper + zinc
49
What is the temperature of oxy-acetylene flame?
Answer
B. 3100°c — 3300°c
50
A groove or channel formed in the parent metal at the toe of the weld is called :
Answer
A. under cut
51
The normal storing capacity of acetylene in dissolved state is 6m? with the pressure ranging
between :
Answer
C. 15-16 kg/cm?
52
The size of the nozzle used to 1.6 mm plate thickness of the joint to be welded:
Answer
A. 3
53
Low Hydrogen type electrodes are called —-__——— electrodes.
Answer
D. — basic coated
54
Which colour coding is used to identify the argon cylinder? :
Answer
A. blue
55
The ratio of the coating diameter to the core wire diameter is called :
Answer
B. coating factor
56
Ifthe main electric supply is not available, we can do arc welding with :
Answer
B. engine generator set
57
In pipe welding, the pipe is in vertical and welding is in horizontal position. What is the
welding position?
Answer
C. 2G
58
——————— will spoil metal surface due to the effect of various elements in the atmosphere
and water. ;
Answer
C. corrosion
59
Shade number of coloured glass for manual metal are welding current in amperes up to 100:
Answer
A. 8-9
60
The distance between the junction of the metals and the point where the weld metal touches
the base metal toe is called :
Answer
B. leg length
61
——————— is the straight distance between the electrode tip and the job surface when the
arc is formed.
Answer
B. arc length
62
When the arc deviates from it’s regular paths due to the magnetic disturbances. It is called :
Answer
C. are blow
63
3.15 mm electrode diameter equal to ——————— guage electrode.
Answer
B. 10
64
Which effect is more useful in the case of over-head welding?
Answer
C. Surface tension
65
Steel with a carbon range of.0.05 to 0.30% are called —-——__— steel.
Answer
C. ‘low carbon steel
66
While gas cutting the nozzle should be:
Answer
C. 5 mm away from work
67
Argon gasisa: 3
Answer
A. inert gas :
68
A ——__—— is used for removing metal / oxide from the outer surface and to make the
metal piece edges square.
Answer
B. file
69
Which one is a pressure welding process?
Answer
D. Resistance welding
70
-D.A. cylinder means :
Answer
A. dissolved acetylene
71
What is meant by MAG welding?
Answer
B. Metal Active Gas
72
In COz cylinder, what is the necessity of pre-heater?
Answer
A. to pre-heat the gas
73
Which shielding gas has low density compared to air in MIG / MAG welding?
Answer
A. Helium
74
Which power source is suitable for GMAW?
Answer
C. DC constant voltage
75
Nickel and Titanium can be welded only by this process. Which process is that?
Answer
B. TIG welding
76
Which material is used to make gas nozzle in TIG welding process?
Answer
B. Ceramic
|
77
Coding of electrodes in IS: system, the third digit indicating :
|
Answer
A. Welding position
78
—_————— is the ability of the metal to stretch, bend or twist without breaking or
| cracking.
|
Answer
D. Ductility
79
Which inert gas cylinder is coloured in black with white neck? ‘
|
Answer
C. Carbon dioxide
80
An example of non-destructive test is :
Answer
A. Radiography test
81
‘A post — dated cheque on a crashing bank’ was Gandhiji’s opinion about :
Answer
B. Crips mission
82
Jog falls is in the river :
Answer
D. Sharavathi :
83
Bhoodan movement was started by : .
Answer
D. Acharya Vinobha Bhave
208/2015 12 ; A
84
India’s first five year plan was started in :
Answer
B. 1951
85
The oldest mountain range in India :
Answer
A. The Aravalli
86
The rescue operation conducted by Govt. of India in Yemen is called : :
Answer
C. Operation Rahat
87
Chattambi Swamikel attained Samadhi at :
Answer
A. Panmana
88
The organization ‘Khudhai Khidmathkhars’ was organized by :
|
Answer
C. Khan Abdul Gafar Khan
89
Bharath Mala and Sagar Mala are the projects related to : |
Answer
D. Roads
90
Ananthamatham was founded by :
|
Answer
C. Brahmananda Sivayogi
91
The highest mountain peak in South India : 5
|
Answer
B. Anamudi
92
The proposed capital of Andhra Pradesh is :
Answer
D. Amaravathi
A 18 208/2015
[P.T.0.]
93
Who was known as the father of Muslim Renaissance in kerala?
Answer
C. Vakkom Abdul Khader Moulavi
94
K.M. Mani presented his 18** budget in Kerala assembly on : :
Answer
A. March 13, 2015
95
Edwin Arnold’s ‘The Light of Asia’ inspired Kumaranasan to write :
Answer
B. Buddhacharitha
96
The historic midnight speech was delivered by :
_
Answer
A. Jawaharlal Nehru
97
Lee Kuan Yew, who died recently was the father of modern : :
Answer
B. Singapore ;
: .
98
The original name of Thycaud Ayya was:
Answer
D. Subbarayer
99
Mamankam was held in: :
Answer
C. ‘'Thirunavaya
100
The political party formed by C.R. Das and Mothilal Nehru in 1922:
Answer
A. Swarajist party
Discussion
Ask a doubt or share a tip.
No comments yet — start the discussion.