| Post Name | SENIOR MECHANIC |
|---|---|
| Department | HARBOUR ENGINEERING |
| Question Paper Code | 078/2014 |
| Date of Test | 10 June 2014 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
The concept of TQM nears to ൽ
Answer
A. No serap/rejected products
2
Ina Critical path, slack is equal to: |
|
Answer
D. Zero
3
Which of the following statements is true for the term Break Even Point analysis?
Answer
C. It calculates the volume of output at which neither loss nor profit occurs
4
Which of the following techniques in quality control helps to keep the number of defects or
imperfections per unit of product?
Answer
B. Cchart
5
Which of the following terms is most appropriate to describe the basic elements of
movements or fundamental hand motions of the work cycle?
Answer
C. Therbligs
6
Thermal power stations are located near :
Answer
A. Rivers/ oceans
7
Which of the following deals with the comfort of human body to get the maximum output and
: minimum strain?
Answer
D. Ergonomics
A 3
& ല 71.0.
8
In a plane turning operation, if L is length to be turned (mm), Sr is feed (mm/rev), N is work-piece speed (rpm), D is work diameter (m), and V is cutting speed (m/min), then the turning time is:
Answer
B. L/(Sr x N) minutes
9
The structure of Gamma Iron formed between 910°C and 1400°C is :
Answer
B. FCC
10
Purest form of iron is :
Answer
C. Wrought iron
11
In which of the following welding techniques a separate electrode is used to maintain the
electric are which should not touch the work/ filler material?
Answer
D. TIG
12
In a vernier caliper, 50 divisions on the vernier scale is equal to 49 divisions of the main
scale. Each division on the main scale is 0.5 mm. Then the least count in mm is :
Answer
A. 0.01
13
Which of the following tool materials is the hardest, next to diamond?
Answer
B. CBN
14
Which of the following is the most preferred bond type in a grinding wheel for grinding glass
components?
Answer
A. Rubber
15
In Flexible Manufacturing System :
Answer
D. Work- machine schedule is flexible during production
16
Which of the following is true when the rake angle of a cutting edge increases? റ
Answer
C. Tool strength reduces and chip flow resistance reduces
17
Speed of air craft can be measured by
Answer
C. Pitot tube
18
Which of the following senses the elastic deformation of a hollow tube with elliptical cross
section and bent in the form of an arc during the pressure measurement ? ;
Answer
B. Bourdon’s tube pressure gauge
19
Unit of specific weight in S.I. system is :
Answer
D. Nim’
20
Cavitation in centrifugal pump results in :
Answer
A. Damage of impellor due to pitting
21
Head loss in meters of fluid column, due to fluid friction, during a flow through a pipe under
pressure, can be found by :
Answer
D. 4flu* /(2ed)
22
A multi stage centrifugal pump can be practically employed to suck water from a maximum
depth of approximately : oe
Answer
A. 8m
23
A centrifugal pump is operated through a V belt drive by a 3 phase induction motor. Pump
efficiency is 50 %, transmission loss is 10% and motor efficiency is 80%. Electrical power
needed to operate the pump when producing 3.6 kW hydraulic power output is :
Answer
C. 10 kW
24
Pressure inside the Pelton wheel turbine casing is
Answer
B. atmospheric
25
Maximum deflection of a cantilever beam with point load ‘P’ at free end is :
Answer
B. 0൩൨൮ at free end
26
The simple theory of elastic bending (with usual notations) is:
Answer
A. M/I = f/y = E/R
27
During bending of an elastic ‘material, the neutral axis passes through
Answer
C. Centroid of the section
28
A centrifugal pump is operated through a V belt drive by a 3 phase induction motor. Pump
efficiency is 50 %, transmission loss is 10 % and motor efficiency is 80 %. Electrical power
needed to operate the pump when producing 3.6 kW hydraulic power output is :
Answer
D. 18kW
29
മയം of stress to strain is :
Answer
D. Modulus of elasticity
30
The thread height H of an ISO screw thread is related to its pitch P by:
Answer
C. H = 0.866P
31
A centrifugal pump is operated through a V belt drive by a 3 phase induction motor. Pump
efficiency is 50 %, transmission loss is 10 % and motor efficiency is 80 %. Electrical power
needed to operate the pump when producing 3.6 kW hydraulic power output is :
Answer
B. 7.2kW
32
In the Hole basis system which one of the following represents a press fit?
Answer
A. H17 p6
33
Which of the following is true in the case of a diesel engine?
Answer
D. Indicated thermal efficiency cannot be zero
34
Characteristic difference of Diesel Cycle from Auto Cycle is by :
Answer
B. Isobaric heat addition
35
Source and Sink temperatures of a Carnot Engine are 27°C and 927°C respectively. The
efficiency of Carnot Engine can be :
Answer
C. 75%
36
In the area of radiation heat transfer, white paper material is assumed to be a
Answer
A. Black body
37
The unit of overall heat-transfer coefficient is:
Answer
A. W/(m^2 K)
38
One Ton of Refrigeration (1-TR) is :
Answer
B. 3.517 kW thermal
39
Thermostatic Expansion valve operates on the :
Answer
D. Degree of Superheat of refrigerant coming out of evaporator
40
Which of the following can produce a fog in atmosphere?
Answer
C. Mixing of air streams
41
IF
Answer
C. 2
8)
42
Evaluate the determinant |sin theta, cos theta; -cos theta, sin theta|.
Answer
B. 1
43
Which of the following matrices is singular?
Answer
C. [[2, 3], [2, 3]]
44
Find k if the system x + y + 1 = 0, x + 2y + 1 = 0, 2x + 3y + k = 0 is consistent:
Answer
A. 2
45
Find the inverse of the matrix
Answer
A. 2
" do
46
If nC,, =nC,, find 'n' : |
Answer
D. 20
47
Evaluate tan* 60°+3tan? 45° :
Answer
C. 6
48
If tan A = 2, tan B = 1, find tan(A − B):
Answer
B. 1/3
49
Find the area of the ΔABC, given b = 3 cm, c = 2 cm, A = 30°:
Answer
D. 3/2 sq.cm
50
Find the equation of a line parallel to 2x - 3y + 1 = 0 and passing through (1, 1):
Answer
B. 2x - 3y + 1 = 0
51
Find the equation of the line with x-intercept 5 and passing through (-1, 2):
Answer
C. x + 3y = 5
52
Evaluate tg te ൽ
] 3 x+]
Answer
D. 4
53
Find lambda if f(x) = x + 2 for x != 1 and f(1) = lambda is continuous at x = 1:
Answer
A. 3
54
If y = 1/sec(sqrt(x)), find dy/dx:
Answer
B. -sin(sqrt(x))/(2sqrt(x))
55
If y = x^2 sin x, find dy/dx:
Answer
A. x^2 cos x + 2x sin x
56
Find [ട് 61%:
Answer
C. tan x + e^x - 5x + c
57
Evaluate ∫₀^∞ dx/(1 + x²):
Answer
D. π/2
58
Find fare:
Answer
A. 2/5tan(x*)+¢
59
Find the area enclosed between x = y^2 - 2y, the y-axis, and the ordinates y = 1 and y = 2:
Answer
D. 2/3 sq. units
60
Solve dy/dx + y tan x = cos^2 x:
Answer
B. y sec x = sin x + c
61
An example for a tribasic acid :
Answer
C. Phosphoric acid
62
The process of separating crude oil into various fractions :
Answer
B. Refining
63
The monomer of Nylon 6 is :
Answer
A. Caprolactum
64
Ascorbic acid is
Answer
C. Vitamin
65
Bakelite is an example of :
Answer
A. Thermosetting plastie
66
Temporary hardness is caused by the presence of :
Answer
B. Carbonates
67
As temperature increases the conductivity of a metal :
Answer
B. decreases
68
A self indicator is :
Answer
D. Potassium permanganate
69
Galvanization is a process of applying a protective coating on iron with :
Answer
D. Zinc
70
The metal present in chlorophyll :
Answer
C. Magnesium
71
What is the angle preferred by athletes in javelin throw?
Answer
C. 45°
72
Identify the physical quantity having no dimensions :
Answer
A. strain
73
When a bullet is fired using a gun, it moves back with a velocity called :
Answer
D. recoil velocity
74
For a geostationary satellite the quantity common for both Earth and satellite is :
Answer
B. angular velocity
75
The working principle of Venturi Meter is :
Answer
A. Bernoulli's principle and continuity equation
76
Two resistors 10 0 and 200 are connected in series with a cell of emf 2 V and a closed
circuit is formed, then the current through:
Answer
C. both are same
77
When temperature increases viscosity of a liquid :
Answer
B. decreases
78
What is the change in Kinetic Energy (KE) of a body if its mass m and velocity v are doubled?
Answer
D. KE becomes 8 times
79
The working principle of Optical Fibre
Answer
A. total internal reflection
80
When the energy of the incident photon is greater than the work function of the photoelectric
material on which it falls the remaining energy will be used for :
Answer
C. giving kinetic energy to the emitted electron
81
First European fort in India :
Answer
D. Fort Manual in Kochi
82
The first news paper in Malayalam "Rajya samacharam" was published from :
Answer
C. Thalassery
83
Indian Constitutional reforms in 1909 known as :
Answer
A. Minto Morley reforms
84
Mrs. Annie Besant started a weekly Journal named :
Answer
B. Common wheel
85
The first Chinese traveler who refers to kerala is :
Answer
A. Chou-Ju-Kua
86
The Shakespearean play The Merchant of Venice' was translated in to Malayalam by whom?
Answer
B. A. Govinda pillai
87
The Chairman of the Royal commission on the public services in India which was appointed
in September 1912 :
Answer
C. Lord Islington
88
Who started Indian womens University at Poona'in 1916?
Answer
A. Prof. Karve,
89
The British Prime Minister Who made the famous Communal Award?
Answer
D. Mr. Ramsay Mac Donald
90
The Congress representative at the second session of the Round Table Conference :
Answer
B. Gandhiji
91
In which year was the report of the simon commission published?
Answer
D. 1930
92
Who created the first All India Trade Union congresss in 1920? :
Answer
D. NM. Joshi
93
Who founded All India NawJawan Bharat Sabha?
Answer
A. Bhagat Singh
94
One of the following leaders took a leading part in the formation of the Czechoslovak —
Indian Association in 1934. Who is he?
Answer
D. Netaji Subhas Chandra Bose
95
The partition of the punjab and Bengal was effected by two Commissions appointed by the
British Govt Who was the chairman of this commission?
Answer
C. Cyril Rad cliffe
96
Who took charge of the Indian state department created by the Govt of India on 5% duly
1947?
Answer
A. SardarVallabhai Patel
97
The father of renaissance in kerala :
Answer
C. Sri Narayana Guru
98
Who published Al Islam Arabic-malayalam monthly?
Answer
C. Vakkam Abdul Khadar Moulavi
99
Samatua samajam was founded by whom?
Answer
B. Vaikunta swamikal
100
Slave trade was stopped in Travancore by the following ruler :
Answer
A. Rani Gauri Laksmibai
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