| Post Name | OVERSEER/DRAFTSMAN(MECH.)GR.III/TRACER - IRRIGATION & DRAFTSMAN (MECH.) - KAMCO Ltd |
|---|---|
| Question Paper Code | 072/2021 |
| Category Code | 141/2019 |
| Date of Test | 2 August 2021 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
Newton is the SI unit of
Answer
B. Force
2
The product of force and perpendicular distance from axis of rotation is known as
Answer
C. Moment
3
Which of the following is a Scalar quantity ?
Answer
A. Speed
4
Which of the following is an example for Third order lever ?
Answer
D. Tweezers
5
The ratio of shear stress to shear strain is known as
Answer
C. Rigidity modulus
6
The rate of doing work is known as
Answer
B. Power
7
Water in an overhead tank possesses
Answer
B. Potential energy
8
The ratio of lateral strain to linear strain is known as
Answer
A. Poisson’s ratio
9
Which of the following is the unit of power ?
Answer
D. All of the above
10
In which of the following lever, fulcrum is in between load and effort ?
Answer
A. First order
11
Momentum is the product of mass and
Answer
C. Velocity
12
Which of the following has no unit ?
Answer
B. Strain
13
The ratio of frictional force to normal reaction is known as
Answer
A. Coefficient of friction
14
The ratio of Ultimate stress to working stress is known as
Answer
B. Factor of safety
15
According to which law “Within elastic limit stress is directly proportional to strain” ?
Answer
C. Hooke’s law
16
When tensile force P is applied to a body of length L, cross-sectional area A and Young’s modulus E, the change in length l is
Answer
B. PL/AE
17
What is the kinetic energy of a body of mass 50 kg moving with a velocity 80 m/s ?
Answer
C. 160 KJ
18
Which of the following have same SI unit ?
Answer
D. Energy and Work done
19
A spherical ball which is at rest on a horizontal flat surface is an example for
Answer
C. Neutral equilibrium
20
Friction can be reduced by
Answer
D. All of the above
21
In a machine drawing hatching lines are generally drawn at an angle
Answer
B. 45°
22
In a triple-start thread, lead =
Answer
B. 3 × pitch
23
Diameter of Rivet means
Answer
A. Shank diameter
24
A welded joint is an example for
Answer
B. Permanent joint
25
Which of the following is an example for Anti friction bearing ?
Answer
C. Ball bearing
26
The component which is a metallic piece of wedge inserted between a shaft and
hub, parallel to the axis of shaft is known as
Answer
A. Key
27
The difference between upper limit of size and lower limit of size is known as
Answer
B. Tolerance
28
The angle of Acme thread is
Answer
D. 29°
29
In a riveted joint, if d is rivet diameter and t is plate thickness, then according to Unwin’s formula d =
Answer
C. 6√t
30
Which of the following key is in the form of a segment of a circular disc ?
Answer
B. Woodruff key
31
Which of the following component is used to connect shafts ?
Answer
B. Coupling
32
A Bolt is designated as M12. This means
Answer
C. Major diameter 12 mm
33
In a riveted joint, the distance between two adjacent rivets in the same row measured
in the gauge line is known as
Answer
D. Longitudinal pitch
34
Which of the following component has threads on both ends ?
Answer
A. Stud
35
Which of the following is a type of Rivet head ?
Answer
D. All of the above
36
The steam engine comes under the category of
Answer
B. External combustion engine
37
In an Otto engine, the combustion occur at
Answer
C. Constant volume
38
In a four stroke IC engine, the number of stroke covered for one revolution of crank
shaft is
Answer
B. 2
39
The hand priming pump is used in an engine, when the engine is
Answer
D. at rest
40
If the thermostat valve is stuck in closed position, what will be the result ?
Answer
A. Engine gets over heat
41
What is the instrument used to check the valve tappet clearance of IC engine ?
Answer
B. Feeler gauge
42
What is the purpose of dip stick used in an engine ?
Answer
D. To check the oil level
43
What is the equation for Frictional Horse Power (FHP) ?
Answer
A. IHP – BHP
44
Which of the following quality determine burning property of diesel fuel ?
Answer
D. Cetane number
45
The clearance volume is 10 cc and the swept volume is 90 cc, what is the compression
ratio ?
Answer
C. 10 : 1
46
Ignition advance is expressed in terms of
Answer
A. Crank angle
47
The escape of burnt gases from the combustion chamber past of the piston into the
crankcase is called
Answer
B. Blow by
48
In two stroke engine, what replaces the valves of the four stroke engine ?
Answer
B. Ports
49
The fuel is injected into the cylinder in diesel engine, when the piston is
Answer
C. Approaching to TDC during compression stroke
50
A square type engine
Answer
D. has cylinder bore equal to stroke length
51
The maximum velocity in a circular pipe when the flow is laminar occurs at
Answer
C. the center of the pipe
52
Due to which of the following phenomena water hammer is caused ?
Answer
A. Sudden closure of valve in a pipe line
53
The venturimeter is used for measuring
Answer
B. Flow rate
54
The phenomenon by which a liquid rises into a thin glass tube above or below its
normal level
Answer
A. Capillarity
55
The viscosity of a liquid __________ with increase in temperature.
Answer
B. decreases
56
Surface tension is expressed in terms of
Answer
A. N/m
57
The channel without any cover at the top is known as
Answer
B. Open channel
58
Force per unit area is called
Answer
A. Pressure
59
Pressure _______ as the depth of the liquid increases.
Answer
A. Increases
60
Bourdon tube pressure gauge is used to measure ____________ pressure.
Answer
C. High as well as low
61
While starting the centrifugal pump, delivery valve is kept
Answer
A. Fully closed
62
In a centrifugal pump, the sum of suction head and the delivery head is known as
Answer
C. Static head
63
In a reciprocating pump, the air vessels are used for which of the following purpose ?
Answer
D. All of the above
64
Hydraulic turbines are classified based on
Answer
D. All of the above
65
The hydraulic coupling belongs to the category of
Answer
C. Energy transfer machine
66
A plane figure bounded by seven equal sides is called
Answer
B. Heptagon
67
Out of the following which instrument is commonly used to draw parallel lines ?
Answer
C. Set-squares
68
Portion of a circle, which is bounded by two radii and part of the circumference is
called
Answer
A. Sector
69
Name of the triangle, in which three sides and three angles are different.
Answer
D. Scalene triangle
70
The number of faces for an Octagonal Prism is
Answer
C. 10
71
Name of the plane figure which has equal sides but angles are not equal to
90 degree.
Answer
D. Rhombus
72
A right circular cone has __________ number of vertices.
Answer
A. One
73
A line segment joining any two points on the circle is called
Answer
B. Chord
74
Which of the following plane figure have diagonals are equal and bisect each other
not at right angle ?
Answer
D. Rectangle
75
The included (interior) angle of a regular pentagon is ________ degree.
Answer
B. 108
76
A straight line can easily be divided into any number of equal parts by using
Answer
C. Divider and set square
77
Name of the geometrical solid developed by a rectangle rotates about one of its
side is
Answer
A. Cylinder
78
A regular hexagon contains 6 number of __________ triangles in it.
Answer
D. Equilateral
79
Two lines that makes an angle are called
Answer
B. Rays
80
Number of circles drawn within a circle, but different centers are called
Answer
C. Eccentric circle
81
When a cylinder is cut by a section plane parallel to the axis, the true shape of the
section is
Answer
A. Rectangle
82
In a regular polygon, the interior angle is 90 degree greater than exterior angle. The
number of sides of the polygon is
Answer
D. 8
83
Out of the following which solid have four similar faces of equilateral triangles
Answer
B. Tetrahedron
84
A solid generated by the revolution of a right angled triangle about one of its
perpendicular side is
Answer
A. Cone
85
When the section plane is inclined to the axis and cut all the generators of a cone,
the section obtained is
Answer
C. Ellipse
86
The area of the largest triangle cut from a rectangle of length l and breadth b is
Answer
B. lb/2
87
Perimeter of a rectangular ground is 240 meter and ratio of length to breadth is
5 : 3, length of the ground is
Answer
A. 75 meter
88
If radius of a sphere is doubled, then its volume will increase _________ times.
Answer
D. 8
89
What is the height of a tank of 2000 liter capacity having length 2 meter and breadth
1 meter ?
Answer
C. 1 meter
90
What will be the area of circular ring of outer diameter 10 centimeter and thickness
10 millimeter ?
Answer
B. 28.26
91
Total surface area of a Hemisphere of radius “r” can be find out by the equation
Answer
D. 3�r2
92
Area of a square is 100 sq.cm, what will be the area of the square of its diagonal ?
Answer
A. 200 sq.cm
93
In a cylinder, the radius is doubled and the height is halved, then its volume will be
Answer
C. Double
94
What is the length of hypotenuse of a right angled triangle with sides 6 cm and 8 cm ?
Answer
D. 10 cm
95
The diameter of two cones are equal and their curved surface area are in the ratio
of 4 : 7. The ratio of their slant heights are
Answer
B. 4 : 7
96
Total surface area of a cube of side “a” is
Answer
A. 6a2
97
The volume of sphere of radius “r” is
1 2 3
Answer
C. �r
98
Liter is the unit of cubic capacity, the capacity of a tank of length, breadth and height
are one foot is ___________ liter.
Answer
B. 28.317
99
What will be the radius of the largest circle that can be drawn in a triangle of area
100 sq.cm and perimeter 50 cm ?
Answer
C. 4 cm
100
Curved surface area of a cylinder of radius “r” and height “h” is
Answer
A. 2�rh
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