| Post Name | DRAFTSMAN GR.II (MECH) - KEAEC Ltd.& OVERSEER/DRAFTSMAN(MECH)GR.II - IRRIGATION/PWD |
|---|---|
| Question Paper Code | 066/2021 |
| Category Code | 388/2018 |
| Date of Test | 28 July 2021 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
Dimensional formulae of force is
Answer
A. MLT–2
2
Equilibrant is same as the resultant in magnitude but its direction is _________ to
the resultant.
Answer
C. Opposite
3
A beam is fixed at one end and free at the other end and it is called ______ beam.
Answer
B. Cantilever
4
Dynamic friction is found to be __________ limiting friction.
Answer
B. Less than
5
In an ideal machine velocity ratio is _______ to the mechanical advantage.
Answer
C. Equal to
6
1 km/hr = _________ m/sec.
Answer
A. 5/18
7
In __________ driving and driven shaft are right angle but not intersecting.
Answer
D. Worm and worm wheel
8
In an inclined plane the velocity ratio is
Answer
A. 1/sin θ
9
Momentum = Mass × ________.
Answer
A. Velocity
10
Each question is provided with four choices
Answer
D. having one correct answer.
Choose the correct answer and darken the bubble corresponding to the question number
using Blue or Black Ball Point Pen in the OMR Answer Sheet.
11
A rubber ball is dropped from a tower it reaches the ground in one second, then the
height of the tower is
Answer
B. 4.9 m
12
In a “V” belt specification “C3048 IS:2494” “C” indicates
Answer
C. V belt cross section
13
For taking high axial thrust loads __________ bearings are used.
Answer
C. Tappered roller bearing
14
The centre of gravity of a solid hemisphere of radius ‘r’ is at a distance of ________ from the diametral axis.
Answer
A. 3r/8
15
When turning to turn a key in to a lock the force applied is
Answer
C. Couple
16
Which of the following is a vector quantity ?
Answer
C. Acceleration
17
For maximum range of a projectile the angle of projection should be ________
degree.
Answer
A. 45
18
The ratio of the speed of the driven wheel to the speed of the driving wheel is
Answer
B. Velocity ratio
19
Two forces of 3N and 4N which are acting at right angles to each other will have a
resultant of
Answer
C. 5N
20
A force acting on a body may
Answer
D. All the above
21
Roughness value corresponding to the roughness grade number N2 is _______
micron.
Answer
C. 0.05
22
Tap drill size for M10 × 1 thread is __________ mm.
Answer
Question Cancelled
23
Size of A1 drawing sheet is _________ mm.
Answer
A. 594 × 841
24
If a line is parallel to VP and inclined to HP, it has
Answer
B. HT only
25
If a line is __________ to any one of the reference planes, its projection on that plane
will have true length.
Answer
A. Parallel
26
The total internal angle of a regular polygon is 1800 degree, then the number of
side is
Answer
A. 12
27
For making a funnel __________ development method is used.
Answer
B. Radial line
28
The angle of BSW thread is _________ degree.
Answer
D. 55
29
If D = nominal diameter of bolt, then distance across corner of nut is ______ mm.
Answer
B. 2D
30
The angle of tail stock dead centre nose is _________ degree.
Answer
A. 60
31
In __________ projection the object is in between observer and plane.
Answer
A. First angle
32
__________ lines are drawn usually at an angle of 45 degree to the horizontal line.
Answer
C. Section
33
The term station point is related to ___________ projection.
Answer
B. Perspective
34
In a double start thread the lead is equal to _________ the pitch.
Answer
A. 2 times
35
In radial bearing the load acting is ________ to the bearing axis.
Answer
B. Perpendicular
36
What happen when the thermostat valve is removed from an engine ?
Answer
B. Not maintain working temperature
37
The actual power available on the engine crankshaft is
Answer
A. BHP
38
A radiator cap contains
Answer
C. Pressure and vacuum relief valve
39
The zinc coated iron pipe is known as
Answer
A. Galvanized iron
40
Which type lubrication system is used in car engine ?
Answer
B. Pressure lubrication
41
The sequence of working stroke takes place in a multi cylinder engine is called
Answer
D. Firing order
42
The cold starting device of a petrol engine is called
Answer
A. Choke
43
In a petrol engine speed ratio of engine cam shaft and distributor shaft is
Answer
D. 1 : 1
44
Which type valves are used in air compressor ?
Answer
A. Reed valve
45
The part which convert hydraulic power in to liner force or motion by
Answer
D. Actuators
46
What are the reasons of blow by gases ?
Answer
C. Worn out piston rings and cylinder wall
47
In a diesel cycle, engine combustion takes place at
Answer
A. Constant pressure
48
Which among the following engine gives better balancing and more uniform torque ?
Answer
B. In-line engine
49
In a petrol engine evaporative emission is controlled by
Answer
D. Carbon canister
50
Excessive valve clearance results
Answer
C. Decrease volumetric efficiency
51
Which among the following is used to close the pipe ends ?
Answer
C. Cap and plug
52
Engine crankshaft bearings are
Answer
B. Shell bearing
53
CRDI stands for
Answer
D. Common Rail Direct Injection
54
The transmission and control of power by means of liquid called
Answer
C. Hydraulics
55
The actuators of a hydraulic brake system is
Answer
A. Wheel cylinder
56
A hydraulic press works under
Answer
C. Pascal’s law
57
What is bleeding ?
Answer
B. Remove air from a hydraulic line
58
The flow rate of oil in a hydraulic machine is expressed in
Answer
D. m3/second
59
FRL (Filter, Regulator and Lubricator) is an essential part of
Answer
A. Pneumatic power tool
60
Which tool is used to hold large diameter pipes ?
Answer
C. Chain wrench
61
The valve which prevent reverse flow of fluid in a hydraulic machine
Answer
B. Non-return valve
62
Which device is used to connect two pipes with different diameter ?
Answer
D. None of these
63
The process of making leak proof joint in a riveted joint is
Answer
C. Caulking and Fullering
64
What is long radius elbow ?
Answer
B. Radius is 1.5 times of bore of pipe
65
Which of the following prevents the sewer gases to building, in sanitary fittings ?
Answer
A. Trap
66
Among the following which size of drawing sheet has its surface area 1m2 ?
Answer
B. A0 size
67
In first angle projection in which quadrant the object should be placed ?
Answer
A. First
68
What is the shape of plan of a sphere in third angle projection ?
Answer
C. Circular
69
Irregular curves can be drawn by which of the following instrument ?
Answer
D. French curve
70
In dimensioning, a line connecting a view to a note is called which line ?
Answer
A. Leader line
71
Among the following equations which is used for finding the volume of sphere of radius ‘r’?
Answer
B. (4/3)πr³
72
If the circumference of a circle is 24 �, then find diameter of the circle.
Answer
B. 24 cm
73
If the diagonal of a square is 6 cm, then find the area of the square.
Answer
C. 18 cm2
74
Name the solid which is generated by the revolution of a rectangle about one of its
sides which remains fixed.
Answer
D. Cylinder
75
When cone is cut by a plane parallel to its base and removing the top portion, what
is the name of the remaining portion ?
Answer
A. Frustum of cone
76
Find the volume of a brick of dimension 6 cm × 3 cm × 2 cm.
Answer
B. 36 cm3
77
What is called the ratio of length of drawing of an object to the actual length of the
object ?
Answer
D. Representative fraction
78
The eccentricity of an ellipse is always
Answer
C. Less than one
79
In engineering drawing, which type of line is used to indicate the centre line of an
object ?
Answer
B. Chain thin line
80
A grinding wheel travels 880 cm in each revolution. Find the diameter of the grinding
wheel.
Answer
D. 280 cm
81
The total surface area of a cube is 216 square centimetres. Calculate the volume of
the cube.
Answer
A. 216 cm3
82
The volume of a metallic block is 3000 cubic centimetres. The density of the metal
used for the block is 7.2 gm/cc, find the weight of the block.
Answer
Question Cancelled
83
In third angle projection of an object where is the position of the plan of the object ?
Answer
A. Directly above the front view
84
How T-square is specified ?
Answer
C. According to blade length
85
Find the area of an equilateral triangle of side 4 cm.
Answer
B. 6.92 cm2
86
The part of a circle bounded by two radii meeting at an angle and an arc is known as
Answer
D. Sector
87
If two circles have same centre point, then they are known as
Answer
B. Concentric circles
88
A polygon with seven sides is known as
Answer
C. Heptagon
89
The area of a rectangle is 630 square millimetres and its breadth is 35 mm. Find its
length.
Answer
A. 18 mm
90
How much is the sum of the angles of a triangle ?
Answer
B. 180 degree
91
What is the angle of a straight line ?
Answer
C. 180 degree
92
If the sum of two angles is 90 degrees, then they are called which type of angles ?
Answer
A. Complementary angles
93
The base and height of a right angled triangle is 5 mm and 12 mm respectively. Find
length of the hypotenuse of the triangle.
Answer
D. 13 mm
94
The volume of rigid bodies is calculated by multiplying its height and
Answer
C. base area
95
From the given equations, which one is the correct to find the volume of a cone of
height ‘h’ and radius ‘r’ ?
1 2 1 3
Answer
A. �r h �r h
96
A steel rod has diameter 2 mm and length 10 mm. Calculate its volume.
Answer
D. 31.4 mm3
97
The dimension line starts from one origin with the arrow heads in one direction only,
this type of dimensioning is known as
Answer
D. Superimposed running dimensioning
98
In which projection the projectors are perpendicular to the plane of projection ?
Answer
C. Orthographic projection
99
Name the curve traced by a point on a straight line which rolls, without slipping, along
a circle or a polygon.
Answer
A. Involute
100
In engineering drawing, which instrument is used for measuring or setting off angles ?
Answer
B. Protractor
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