| Post Name | FOREMAN - SERVICE WORKSHOP |
|---|---|
| Department | KERALA SMALL INDUSTRIES DEVELOPMENT CORPORATION(SIDCO) |
| Question Paper Code | 236/2015 |
| Date of Test | 23 December 2015 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
The most preferred process for casting gas turbine blades is
Answer
C. investment moulding
2
By which one of the following methods gray cast iron is usually welded?
Answer
C. Gas welding
3
Submerged arc welding takes place :
Answer
D. Under a blanket of granular flux
4
Silicon is added to electrode coating as :
Answer
C. a de-oxidant
5
The preheating of parts to be welded and slow cooling of the welded structure will reduce :
Answer
C. Residual stress and incomplete penetration |
6
Automotive crankshafts are made by :
Answer
D. Drop forging process
7
An imaginary circle which by pure rolling action, gives the same motion as the actual gear
and is called :
Answer
B. pitch circle
8
Anengine produces 10 kW brake power by working with a brake thermal efficiency of 30%. If
the calorie value of fuel used is 40,000 kJ/kg, then what is mass fuel consumption?
Answer
B. 3keg/hr
9
Reference fuels for knock rating of 5] engine fuels would include :
Answer
D. n-heptane and iso-octane
10
Morse test is used to find out : ;
Answer
A. Indicated horse power for multi-cylinder engines
11
By supercharging the petrol engine, the chance of detonation :
Answer
B. increases |
12
Ifthe initial tension in the belt is increased, the power transmission capacity :
Answer
A. is increased
13
Which of the following screw thread is stronger than other threads?
Answer
B. buttress threads
14
The thickness of thin cylinder is determined on the basis of :
Answer
C. circumferential stress
15
While designing a flange coupling care is taken so that :
Answer
D. key is the weakest component
16
16.. An adjustable blade propeller turbine is called as :
Answer
C. Kaplan turbine
17
Newton's law of viscosity depends upon the :
Answer
A. shear stress and rate of strain
18
An oil of specific gravity 0.95 has kinematic viscosity of 0.28 Stokes at 38Β°C. What will be its
viscosity in Ne/m*?
Answer
D. 0.0266
19
From the point of lower specific energy consumption, which of the following compressor are
suitable for part load operation?
Answer
C. two stage reciprocating compressor
20
Which of the following processes does not involve a transfer of material?
Answer
C. radiation :
21
Fora given heat flow and for the same thickness, the temperature drop access the material
will be maximum for : :
Answer
C. refractory brick
22
Heat is conducted through a 10 cm thick wall at the rate of 30 W/mΒ² when the temperature difference across the wall is 10Β°C. What is the thermal conductivity of the wall?
Answer
B. 0.3 W/mK
23
The ratio of energy transferred by convection to that by conduction is called :
Answer
B. Nusselt number
24
When all the conditions are identical, in the case of flow through pipes with heat transfer, the
velocity profiles will be identical for :
Answer
A. liquid heating and liquid cooling
25
The silver coating on the glass surfaces of a Thermos bottle reduces energy that is
transferred :
Answer
C. Radiation
26
The steady state conditions in diffusion are governed by :
Answer
B. Fick's first law
27
Toughness of steel increased by adding :
Answer
A. nickel
28
Material used for machine tool bed is :
Answer
D. cast iron
29
The eutectoid mixture of steel is :
|
Answer
A. A mixture of ferrite and cementite
30
Hot rolling of mild steel is carried out :
Answer
D. above recrystallisation temperature
31
Piston rings for engines are made of :
Answer
A. cast iron
32
Aluminium is not good for die casting because :
Answer
B. it tends to react chemically with the die surface
33
Which of the following processes is used to harden the steel?
Answer
D. quenching
34
Which of the following is always true for an isothermal process of an ideal gas?
Answer
B. the internal energy does not change
35
A heat engine takes in 200 Joule of thermal energy and performs 50 Joule of work in each
cycle. What is its efficiency?
Answer
C. 25%
36
Ifa chemical reaction has a positive change in entropy, then :
Answer
A. the disorder of the system increases
37
Joule-Thomson coefficient is the slope of :
Answer
D. inversion curve on T-p diagram
38
Pressure reaches a value of absolute zero :
Answer
D. when molecular momentum of system becomes zero
39
The mathematical technique for finding the best use of limited resources in an optimum manner is known as :
Answer
B. linear programming
40
The first method invented for planning project was:
Answer
A. Bar chart
41
Input output analysis is processed through :
Answer
C. Transaction matrix
42
Positive slack on a PERT indicates that project is:
Answer
B. ahead of schedule
43
Queuing theory is associated with: |
Answer
D. waiting time
44
The pin knuckle joint is subjected to:
Answer
B. double shear stress
45
Thermal stresses are caused by due to:
Answer
A. variation in temperature
46
When the diameter of the shaft is doubled, its torque transmitting capacity will be increased
by:
Answer
D. S8times
47
Ifthe Poisson's ratio is 0.25, then the ratio of shear modulus to the elastic modulus is :
Answer
B. 0.4
48
The poison's ratio of carbon steel is :
:
Answer
C. 0.29
49
The process of addition of moisture to air at constant dry bulb temperature 1s :
Answer
B. humidification
50
Boiling temperature of Freon-22 is : ,
Answer
D. - 40.7Β°C
51
In a psychrometric process, the sensible heat added is 40 kJ/sec and latent heat added is
3() kJ/sec, The sensible heat factor for the process will be :
Answer
D. 0.57
52
The highest temperature in vapour compression cycle occurs at :
Answer
C. compressor discharge
53
Greenhouse effect refers to increase 1n : |
Answer
A. global temperature
54
At the critical point of steam :
Answer
B. enthalpy of evaporation is zero
55
Concentration of solids in boiler drum is controlled by :
Answer
B. blowdown
56
What type of steam is generally used for power generation?
Answer
A. high pressure steam with super heat,
57
=7. Profile of the gear tooth can be checked by :
Answer
D. optical projector
58
Aut-collimator is used for measurement of :
fA) emall angular differences
Answer
A. precision
59
Which of the following is the most important characteristic of a measuring instrument?
Answer
B. repeatability
60
For a strain gauge, hich gauge factor results in:
Answer
C. high sensitivity
61
Value of Β» (gamma) for air.
|
Answer
B. 1.4
62
Manometer is used to measure :
|
Answer
C. Pressure
63
The size of cam depends upon the size of its :
Answer
A. Base circle
64
Co-efficient of discharge Cβ =
Answer
A. Cα΄ Γ Cα΄
65
The most efficient cycle is:
Answer
B. Carnot
66
50 Mega Pascal:
Answer
A. 50 N/mmΒ²
67
Specific gravity of Mercury is:
Answer
D. 13.6
236/2015 10 A
68
The process of generating a gear :
Answer
C. Hobbing
69
The operation of cutting of flat sheet to desired shape :
Answer
B. Blanking .
70
In which Turbine the rammer vanes are adjustable :
Answer
C. Caplan
71
The operation of machining several surfaces of a work piece simultaneously be feeding the
table against a numbers of cutters having same or different diameters mounted on the arbour
of the machine : ; . |
Answer
B. Gang Milling
72
Ability of material to deform under tensile load is called :
Answer
B. Ductility
73
A device which holds and locates a work piece for a manufacturing operation :
Answer
A. fixture
74
Venturimeter is used to measure the β-βββββββ of the liquid flowing in a pipe.
|
Answer
D. Discharge
75
/ 15, βββ_βββββ is the turning effect of force.
Answer
C. Torque
76
Process of removing moisture content of timber is called :
Answer
B. Seasoning
77
Size of the lathe is specified by :
Answer
D. All the above
78
The operation to prevent leakage through the riveted joint : |
Answer
B. Caulking and fullering |
79
79.0 ββββββββ is hinged to the tool head of a shaper.
Answer
D. Clapper box
80
Maximum bending moment due to moving load on a simple supported beam occur :
Answer
A. Under the load
81
Who among the following belonged to the Serampore Missionaries?
Answer
D. } Wiliam Carey
82
LARR is a Central Act related to:
Answer
B. Land acquisition
83
Sujananandini Was started by :
Answer
B. Paravur Kesavan Asan
84
Mokshapradeepam is a work of :
Answer
C. Brahmananda Sivayogi
85
The first Malayalam Newspaper Banned by the Travancore Gove rment?
Answer
A. Sandishiavad:
86
The first President of Nair Service Society was : |
Answer
C. K. Kelappan
87
Mahatma Gandhi met Sreenanarayana Guru at varkala on:
Answer
A. 1925 March 12
88
Govt. Brennen College was started by which of the following missionaries?
Answer
A. Basel Mission
89
Chaturyantam is a work written by : |
Answer
D. Arnos Patiri |
90
The Tatwaprakasika Asram was started by :
Answer
C. Vagbhadananda
91
NITI is:
Answer
B. National Institution for Transforming India
92
Malabar Economic Union was founded by :
Answer
C. Dr. P. Palpu
93
Badhiravilapam is a poem written by :
Answer
C. Vallathol Narayana Menon
94
The martyr of the Paliyam Satvagraha?
Answer
D.
95
The dance form Ramanattam was invented by :
Answer
B. Kottarakkara Thampuran
96
ie 96. The firet Travelogue in Malayalam language was written by :
Answer
A. Paremakkil Thoma Kattanar
97
The first Signatory to the Malayali Memorial was:
Answer
A. K.P. Sankara Menon
98
Karmavipakam is the autobiography of :
Answer
C. Y-T. Bhattathiripad
99
Arya Pallam is related with which of the following :
Answer
D. Paliyam Satyagraha
100
Which of the following is characterised as the βmost essential of all fundamental rightsβ?
Answer
B. The Right to Freedom
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