| Post Name | OVERSEER GR.II/ DRAFTSMAN GR.II(MECHANICAL)(SR FROM AMONG SC/ST)-IRRIGATION |
|---|---|
| Question Paper Code | 055/2019 |
| Date of Test | 5 November 2019 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
SI unit of work is:
Answer
D. Joule
2
When a person opens a door, he applies:
Answer
A. Force
3
The escape velocity from the surface of the earth is approximately equal to:
Answer
B. 11.2 km/s
4
If the momentum of a given particle is doubled, then its kinetic energy will be:
Answer
D. quadrupled
5
When the car moves on road its wheel has:
Answer
B. Rotational and translational motion
6
The friction experienced by a body when it is in motion is called:
Answer
D. Dynamic friction
7
Moment of inertia of a circular section about its diameter
Answer
C. (ο° / 64 )d 4
8
The force applied on a body of mass 150 kg to produce an acceleration of 10 m/s2, is:
Answer
C. 1500 N
9
Two forces act an angle of 120Β°. If the greater force is 50 kg and their resultant is
perpendicular to the smaller force, the smaller force is:
Answer
B. 25 kg
10
The process of finding out the resultant force is known as:
Answer
B. Composition of forces
11
The point, at which the whole weight of the body may be considered to act, is known as:
Answer
B. Centre of gravity
12
If the resultant of forces acting on a body is zero, the body:
Answer
A. is in equilibrium
13
The unit of force in C.G.S. system of units, is called:
Answer
A. Dyne
14
If the angular distance ΞΈ = 2tΒ³ β 3tΒ², the angular acceleration at t = 1 sec is:
Answer
B. 6 rad/secΒ²
15
The resultant of two forces which are acting at an angle ο± is:
Answer
C. ο¨P 2 ο« Q 2 ο« 2PQ cosο± ο©
16
The resultant of two equal forces P making an angle 2 ο± is given by:
Answer
C. 2Pcos ο±
17
The rate of doing work is known as:
Answer
A. Power
18
The total energy possessed by a system of moving bodies:
Answer
A. Is constant at every instant
19
If the tension in a cable supporting a lift moving upwards is twice the tension when the lift is
moving downwards, the acceleration of the lift, is:
Answer
C. g/3
20
In a lifting machine with efficiency 60%, an effort of 200 N is required to raise a load of
6 kN.The velocity ratio of the machine is :
Answer
D. 50
21
Which of the following represent reducing scale?
Answer
C. 1:2
22
The following line is used for dimension line:
Answer
C. Continuous thin
23
The front view of a rectangle, when its plane is parallel to HP and perpendicular to VP, is:
Answer
B. Line
24
The following are the Polyhedron except:
Answer
D. Cylinder
25
The following are the solids of revolution except:
Answer
A. Prism
26
The top view of a right cylinder resting on HP on its base rim is :
Answer
C. Circle
27
The following is formed by revolving rectangle about one of its sides which remains fixed:
Answer
A. cylinder
28
The sectional plane are represented by :
Answer
D. Chain thin line having thick edges
29
The dotted lines represents:
Answer
A. hidden edges
30
A tetrahedron has four equal βββββββ faces.
Answer
B. triangular
31
In first angle projection method, object is assumed to be placed in:
Answer
A. First quadrant
32
The internal angle of regular hexagon is βββββββ degree.
Answer
B. 120
33
A right regular hexagonal prism in resting on HP on its base, its top view is a.
Answer
B. hexagon
34
The following is the method for development of a sphere:
Answer
D. Approximate method
35
The Length : Width in case of an arrow head is:
Answer
C. 3:1
36
The ability of engine bearings to accommodates small variation in shaft is its:
Answer
C. Adaptability
37
Combustion knock in a CI engine is generally known as:
Answer
A. Diesel knock
38
Which of the following are provided to the crank shaft to the balancing of main journals?
Answer
C. crank weight
39
To improve the resistance to wear and corrosion, cylinder liners are plated with:
Answer
D. chromium
40
Tendency of fuel to change from liquid to vapor form is called:
Answer
B. volatility
41
Piston rings and cylinder liners are:
Answer
D. Centrifugal casted
A 7 55/2019
42
The leaking of the combustion charges to the crank case is known as:
Answer
A. blow-by
43
Find the odd one :
Answer
C. Crank pin
44
Double row side valve mechanism incorporated with
Answer
D. T-head engine
45
The term harmonic balancer is used instead of:
Answer
C. vibration damper
46
T- slot provided in the piston:
Answer
A. To accommodate the expansion of piston when heated up
47
Brake power of an engine is measured with
Answer
B. dynamo meter
48
Disadvantage of a pre-combustion chamber engine is :
Answer
A. cold starting problems
49
Detonation can be controlled by:
Answer
D. cooling of the charge
55/2019 8 A
50
By providing a thick head gasket, the compression ratio of the engine will:
Answer
B. decrease
51
A pitot tube is used to measure:
Answer
C. Velocity of flow
52
Forces acting on a floating body are:
Answer
B. Buoyancy and gravity
53
Eulerβs equation for the motion of liquid assumes that:
Answer
D. fluid is homogeneous and incompressible
54
The most efficient section of a channel is:
Answer
C. Trapezoidal
55
Velocity of fluid particles at the centre of pipe section is:
Answer
A. maximum
56
Why the alcohol is used in manometer?
Answer
A. It provides longer column due to low density
57
To avoid cavitations in centrifugal pump:
Answer
C. suction pressure should be high
58
A structure used to dam up a stream or river over which the water flow is called:
Answer
D. Weir
59
Bacteria which can survive without oxygen is called:
Answer
B. Anaerobic bacteria
60
The pressure conduit laid underground may not be subjected to:
Answer
C. longitudinal temperature stress
61
Water consumption per capita per day for hostel use in India as per Indian standard is:
Answer
D. 135 litres
62
The central rural sanitation program started on:
Answer
A. 1986
63
Most common coagulant is:
Answer
B. Alum
64
Slow sand filter is more efficient for the removal of :
Answer
A. bacteria
65
The equipment used to checking the levels of the sewer inverts is :
Answer
C. Boning rod
66
The formula for finding volume of a hollow cylinder is __________.
Answer
A. Οh(R + r)(R β r)
67
Find the area of a circle which inscribe in a square of side 14 cm:
Answer
B. 154 sq.cm
68
If volume of cylinder is 900 cu.cm with height of 20 cm, then diameter of cylinder is:
Answer
C. 7.57 cm
69
What is area of a circle whose circumference is 44 cm?
Answer
C. 154 sq.cm
70
How many balls of 2 cm radius can be made by melting of a big ball of diameter 16 cm?
Answer
B. 64
71
Find the angle of sector whose radius is 10 cm and area is 78.5 sq.cm:
Answer
C. 90 degree
72
One side of rectangular field is 4 m and its diagonal is 5 m. The area of the field is :
Answer
A. 12 sq.m
73
If the volume of two cubes are in the ratio 27 : 1. The ratio of their edges is :
Answer
B. 3:1
74
The sides of a triangle are 5 m, 12 m and 13 m. The area of the triangle is βββββββ.
Answer
A. 30 sq.Cm
75
If cube of side βaβ the total surface area is :
Answer
C. 6a 2
76
Find the area of a square of diagonal 30 cm:
Answer
C. 450 sq.cm
77
When a sheet size 10 m ο΄ 5 m cut into small pieces of 25 cm ο΄ 20 cm, how many number of
pieces will be cut:
Answer
C. 1000
78
Area of a sphere of radius r is __________:
Answer
C. 4ΟrΒ²
79
A rectangle Carpet has an area of 120 sq.m and perimeter is 46 m, the length of its diagonal
is βββββββ.
Answer
C. 17 m
80
If the ratio of the areas of the two squares is 16 : 1, the ratio of their perimeter:
Answer
C. 4:1
81
The sum of interior angles of a pentagon is:
Answer
C. 540Β°
82
Eccentricity of parabola is:
Answer
B. equal to 1
83
The trimmed size of A1 drawing sheet:
Answer
B. 594 ο΄ 841 mm
84
The working edge of a drawing table is known as:
Answer
B. Ebony edge
85
How the letters and numerals are designated?
Answer
B. By their height
86
Name the polygon which is bounded by 9 sides:
Answer
A. Nonagon
87
What is the name of the part of circle bounded by two radii and its arc?
Answer
B. Sector
88
The ratio between two adjacent side of the drawing sheet:
Answer
C. 1: 2
89
In which regular polygon sides are equal to radius of circumscribing circle:
Answer
C. Hexagon
90
Path of a projectile is in the form of
Answer
D. Parabola
91
A conic having only one directrix:
Answer
C. Parabola
92
Bow compass is used for drawing:
Answer
B. Very small circle
93
The maximum number of tangents drawing to a circle from a point outside the circle:
Answer
A. 2
94
Acute angle is an angle:
Answer
B. Less than 90Β°
95
Which of the following is an enlarged scale?
Answer
A. n:1
96
The following is not included in the title block of drawing sheet:
Answer
D. Size of sheet
97
The following line is used for dimension line.
Answer
A. Continuous thin
98
Hatching lines are drawn at βββββββ to reference line.
Answer
B. 45Β°
99
The length : width in case of an arrow head is:
Answer
C. 3:1
100
Which of the following is the most soft pencil?
Answer
A. 2B
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