| Post Name | FOREMAN - PRESSURE DIE CASTING UNIT |
|---|---|
| Department | SIDCO |
| Question Paper Code | 134/2015 |
| Date of Test | 16 July 2015 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
A metal object obtained by allowing molten metal to solidify in a mould is known ഒട :
Answer
A. Casting |
2
The taper provided on all vertical surfaces of the pattern as it is lifted up is known as :
Answer
C. Draft allowance
3
The added projection on the pattern and it terms a seat in the mould in which the sand core ല്
rests during the pouring of the mould is known as:
Answer
B. Core prints
4
The castings are prepared by forcing molten metal under high pressure into a metal mould is
known as:
Answer
B. Pressure die casting
5
Which of the following is NOT a pressure die casting machine? |
Answer
D. Investment casting
6
The passage way through which molten metal enters a mould cavity is called :
Answer
B. Runner |
7
+#——————— is a vertical passage through the cope and connecting the pouring basin tothe _
runner :
Answer
A. Sprue
8
| Which of the following is NOT the function of a die casting machine?
Answer
D. Solidify the casting
9
Ina multi - piece pattern contains three parts, the middle part of the pattern is known as:
Answer
C. Cheek
10
The tool which is used to remove the pattern from the mould and also for rapping the pattern
gently to loosen it from mould sand 18 :
Answer
D. Draw spike
11
In which of the following is NOT a casting defects :
Answer
C. Aspiration effects
12
The casting process which is used where very hard outer surfaces and wear resistant castings
required : |
Answer
B. Chill casting
13
The squeeze casting is also known as:
Answer
A. Liquid forging
14
Ability of sand to flow around and over the pattern when the mould is rammed :
Answer
A. Flow ability
15
From the following, which is the property of core sand?
Answer
D. Crushability ല്
134/2015 4 A
16
The casting defect in which a slight displacement of the cope half of the casting with respect
to the drag half: .
Answer
A. Mismatch
17
Ability of sand to remain solid as a function of temperature :
Answer
B. Refractoriness
18
The model of the casting in which it can be used for forming an impression in molding Sand
is known as:
|
Answer
B. Pattern
19
Insplit patterns the two parts of the pattern are aligned with :
Answer
D. Dowel pin
20
The typical shrinkage allowances provided in casting of steel in mm/meter is :
Answer
B. 20
21
The best cast able alloys are:
Answer
C. Zine alloys
22
The common die material is : |
|
Answer
D. Tool steel |
23
The device used to increase injection pressure in pressure die casting is called:
|
Answer
B. Accumulator
24
The property molding sand to measure of ease with which air can pass through the sand
aggregate is known as:
Answer
A. Permeability )
25
The casting process in which combines features of forging and casting in one operation is in:
Answer
B. Squeeze casting 7
26
The furnace which is most commonly used for melting and refining pig iron along with scrap
in the production of iron casting is : ]
Answer
A. Cupola furnace
27
Melting point aluminum is about :
Answer
D. 660°C
28
Pure iron that has body centered cubic lattice structure is known as:
Answer
Question Cancelled
29
Heat treatment process in which heating beyond critical temperature and cooling in air is
| known as:
Answer
D. Normalizing
30
The permanent displacement of atoms from a given starting position by slip or twinning is
known as:
Answer
C. Plastic deformation
31
Ability of material to resist deterioration by chemical or electrochemical reaction with its
environment :
Answer
C. Corrosion resistance
32
The percentage of carbon present in Cast Iron is about :
Answer
C. 1.8-—3%
33
Cast iron which contains carbon as free carbon in the form of graphite is known as :
Answer
A. Grey cast Iron
34
The resistance to corrosion of steel is increased by adding :
Answer
C. Chromium
35
The failure of material under repeatedly applied stress is called : |
Answer
B. Fatigue |
36
The property of a material due to which it is able to resist abrasion indentation and )
scratching is known as:
Answer
A. Hardness
37
Gun metal is an alloy of: . ; |
|
Answer
C. Copper - Tin - Zinc
38
Optical Fibers are made from :
Answer
D. Silica
39
The casting produced by forcing molten metal under pressure into a permanent metal mould
is known as:
Answer
C. Die casting
40
The pattern which is used largely for drainage fitting and pipe work is:
Answer
A. Shell Pattern
41
The property of sand due to which it evolves a great amount of steam and other gases is
called : |
Answer
B. Permeability -
42
Metal patterns are commonly used for :
Answer
D. Large Scale productions of castings
43
The casting defects which results in general enlargement of a casting is known as :
Answer
B. Swell
44
Rapping allowance is provided on a pattern to take care of :
Answer
D. Easy withdrawal
45
One Watt is equal to:
Answer
D. 1 joules/sec
46
_ 46. Matter contained in a body is called : |
Answer
C. Mass
47
Which of the following are vector quantities?
Answer
D. All of above
48
The ratio of linear stress to linear strain is called :
Answer
B. Modulus of Elasticity
49
The Modulus of Elasticity for Mild Steel is approximately equal to:
Answer
D. 210 KN/mm?
50
The energy stored in a body when strained within elastic limit is known as :
Answer
Question Cancelled
51
The line joining the centre of rivets and parallel to the edge of the plate is known as:
Answer
C. Gauge line
52
Ina fusion welding process :
Answer
A. Only heat is used |
53
18-4-1 High speed steel contains :
Answer
B. 18% Tungsten
54
Up setting is the term used in one of the following operations :
Answer
D. Forging
55
In filing operations the metal removes during :
Answer
C. Forward stroke only
56
Mild steel belonging to the following category : |
|
Answer
A. Low carbon steel
57
The unit of energy in SI system is:
Answer
D. Joule |
A 9 134/2015
[P.T.O.]
SI IE പന്നി |
58
Melting point of mild steel is about :
Answer
A. 1539°C
59
The size of a gear usually specified by :
Answer
B. Pitch circular diameter
60
Which of the following material has the maximum ductility?
Answer
A. Mild steel
61
Least count of vernier micrometer is mm:
Answer
A. 0.001
62
Gun metal is an alloy of :
Answer
C. copper, zinc and tin |
63
In the Indian Standard Systems for Limits and Fits, there are grades
Fundamental tolerances :
Answer
B. 18
64
Suggest a combination of tolerance for precision sliding fit, from the given combinations :
Answer
D. H7/g6
65
The operation of assembling slip gauges together for a given combination is known as:
Answer
C. wringing |
66
The operation of shaping a grinding wheel is known as:
Answer
A. truing
67
In a plain or simple index head, one complete rotation of the index crank rotates the spindle by :
Answer
D. 1/40 of a revolution
68
The defects on a die cast component due to cold metal slow shot, low die temperature is
known as:
Answer
B. cold shut
69
Cast metal bonding to the die casting surface is known as: |
Answer
B. soldering
‘ ~
70
Which half of the die casting dies is secured to the stationary platen of the machine?
|
Answer
C. cover half
71
Hot chamber die casting machines are used for making castings in:
Answer
B. low melting point alloys
72
The connecting member between the goose neck and the sprue bush in die casting machine is
known as:
Answer
D. nozzle :
73
The amount of die opening at the time the angled pin contacts the core block in die casting
dies is known as: 3 |
Answer
A. dwell
74
The pump used in hydraulic power pack is:
Answer
D. gear pump
11 134/2015
[P.T.O.]
75
—————_——— hold parts in perfectly related alignment by absorbing side pressure and
lateral thrust :
Answer
C. dowels —
76
Build up of die release material on the die results in an irregular rough surface on the
casting is known as: |
Answer
D. Scale
77
Which grade of grinding wheel is preferred for grinding hard metals?
Answer
B. soft grade wheels
. (6) open structured wheels
78
In an electric discharge machining process, electrode is connected to :
Answer
A. cathode
79
Least count of vernier bevel protractor is : 3
Answer
A. 5 minutes
80
Ina fanuc control system, used in CNC machines, the functional code G21 is for : |
|
Answer
C. dimensioning in mm
81
India’s mars mission is officially known as: 3 | ല്
Answer
D. Mars orbitor mission
82
Which country won the Davis Cup Tournament 2013? 7 :
Answer
A. Czech Republic
83
Bitcoin is the digital currency used for internet trading. Where is the world’s first Bitcoin
ATM is located : |
Answer
B. Canada
84
Who is the new Director General of World Trade Organization?
Answer
C. Roberto Asavedo
85
Who won the Abel prize 2013?
Answer
A. Pierre Deligne
86
Sreenagar the capital city of Jammu and Kashmir located on which river bank : 7
Answer
D. Jhelum
87
The soil survey of India established in which year :
Answer
C. 1956
88
The leaders of the home rule movement in India borrowed the term Home Rule from a
similar movement in: . |
Answer
B. Ireland
89
Who was the first commander of Indian National Army (INA)?
Answer
A. Capt. Mohan Singh
90
Mixed economy was envisaged for the first time in the :
Answer
D. Bombay plan
91
River Pamba originates from :
Answer
B. Peerumedu
92
Which among the following is the major soil type of Kerala?
Answer
A. Laterite
93
According to 2011 census which district in Kerala has the highest density of population : | :
Answer
C. | Thiruvananthapuram
94
In which year peoples planning introduced in Kerala :
Answer
B. 1996 ' | |
95
Time magazines person of the year 2013 goes to:
Answer
A. Pope Francis
96
Who wrote the drama “Jathikkummi”? |
Answer
C. Pandit Karuppan
97
The Malayali who worked under Gandhiji as the editor of young India : '
Answer
D. Barrister George Joseph
98
“No caste No Religion and No God for human being” is the slogam of :
ല്
Answer
B. Sahodharan Ayyappan
99
Who is known as Lincoln of kerala?
Answer
A. Pandit Karuppan ~
100
Who first introduced the system ‘A school along with every church’?
Answer
B. Kuriakose Chavara
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