| Post Name | TRACER GR I-MALABAR CEMENTS LTD |
|---|---|
| Question Paper Code | 011/2020 |
| Date of Test | 13 February 2020 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
Radial height of a tooth above the pitch circle of a spur gear is:
Answer
D. addendum
2
Connecting link between the piston rod and βββββββββββββ of a steam engine is cross head.
Answer
C. connecting rod
3
Which one of the following is not a locking device?
Answer
D. Hexagonal bolt
4
Ratio between inertia forces to viscous forces is known as:
Answer
A. Reynoldsβs number
5
The value of acceleration due to gravity (g) is equal to:
Answer
B. 9.81 m/s2
6
If P and Q are two forces and angle between them is ' ο‘ ' then according to parallelogram law
of forces the resultant force βRβ =:
Answer
D. ο¨P ο« Q ο« 2 P Q cos ο‘ ο©
2 2
7
One kilo gram mass is equivalent as βββββββββββββ N.
Answer
B. 9.81
8
F ο½ m x a is derived from:
Answer
B. Newtonβs second law
9
The body which does not deform when subjected to external forces is termed as:
Answer
D. rigid body
10
Geometric center of the area where the entire area can be assumed to be concentrated is
known as:
Answer
A. centroid of area
11
Whenever a body moves or tends to move over another body βββββββββββββ force is
developed at the contact surface.
Answer
D. frictional
12
The angle between normal reaction at the contact surface and the resultant of normal
reaction and limiting friction is:
Answer
A. angle of friction
13
The point about which the body can be assumed to be rotating at the given instant is called
βββββββββββββ of rotation.
Answer
D. instantaneous center
14
The absolute pressure of a given mass of a perfect gas varies inversely as its volume when
the βββββββββββββ remains constant.
Answer
B. temperature
15
A machine which converts mechanical energy in to pressure energy is known as:
Answer
C. pump
16
In double acting reciprocating pumps, the water is acting on βββββββββββββ sides of the
piston.
Answer
A. both
17
In order to produce air tight reveted joint βββββββββββββ process is required.
Answer
B. caulking
18
Least count of a vernier caliper is βββββββββββββ mm.
Answer
C. 0.02
19
H9 holes can be produced by βββββββββββββ process.
Answer
D. boring and reaming
20
The device used to connect two shafts together at their ends for the purpose of transmitting
power is known as:
Answer
B. coupling
21
Standard size of the part, which is same for both hole and its shaft is known as:
Answer
C. Nominal size
22
Difference between maximum and minimum limit of size is:
Answer
B. tolerance
23
Trimmed size of A1 drawing sheet will be:
Answer
D. 594 mm ο΄ 841 mm
24
The drawing which is used for explaining working principle of any machine is known as
Answer
C. schematic drawing
25
Length of the arrow head should be about βββββββββββββ times its maximum width.
Answer
A. three
26
A section is formed by passing a cutting plane at right angles to the axis of the object is
termed as:
Answer
C. revolved section
27
Actual depth of a British Association thread in terms of pitch is:
Answer
B. d = 0.6 p
28
Width across flats (W) of a hexagonal nut can be found by βββββββββββββ formula.
Answer
D. 1.5 D + 3 mm
29
If thickness of the plate is βtβ then the diameter of a rivet is:
Answer
B. dο½ 6 t
30
The bearing pressure is perpendicular to the axis of shaft in βββββββββββββ bearings.
Answer
A. journal
31
Thread angle of Acme thread is:
Answer
B. 29Β°
32
Standard taper of taper key is:
Answer
C. 1 in 100
33
In a muff coupling, the outside diameter and the length of the muff are βββββββββββββ and
βββββββββββββ the diameter of the shaft.
Answer
D. two times and three times
011/2020 6 A
34
If width of a βVβ belt is 10 mm then the length of the belt will be in a range of
βββββββββββββ mm.
Answer
D. 420 to 2820 mm
35
The formula for finding out circular pitch of a spur gear is:
Answer
A. ο° ο΄ module pitch
36
The engine produces power by the:
Answer
C. Combustion pressure pushing on piston
37
A Telescopic gauge can be used to measure a cylinder bore if βββββββββββββ is used to the
telescopic gauge?
Answer
A. Micrometer
38
The depth of water formed by providing a tap in the water closet is called:
Answer
B. Water seal
39
βββββββββββββ bacteria can live and develop in the presence or absence of oxygen.
Answer
C. Facultative
40
The waste water from the kitchen, bathroom etc is called:
Answer
D. Sullage
41
The capillary rise is due to:
Answer
C. Both of the above
42
The law related to transmission of pressure is:
Answer
B. Pascalβs law
43
A bearing shell has a slightly larger arc than bearing housing is called:
Answer
D. Bearing spread
44
In a normally operating engine, intake and exhaust valves are opened by a cam closed by the:
Answer
C. Valve spring
45
The distributor injection pump has:
Answer
A. A rotor that sends fuel to the injector
46
Which of the following engine do not have mechanical balance?
Answer
B. Single cylinder engine
47
How many, crankshaft rotations required to get one power stroke in a four stroke single
cylinder diesel engine?
Answer
C. Two
48
The centre of pressure on any surface immersed in a liquid is the point through which the
βββββββββββββ acts?
Answer
D. Total pressure
49
The bottom edge of the notch over which the liquid flows is called?
Answer
B. Sill
50
A Sewage contains:
Answer
C. Both of the above are correct
51
The openings constructed on lines of sewers or drains in order to enable men enter or leave
them is called:
Answer
D. Man holes
52
What is the volume of the space above the piston at BDC?
Answer
C. Total volume
53
What effect does backpressure have on the operation of an IC engine?
Answer
A. Reduces power
54
Percentage of fuel energy lost to the cylinder walls is approximately:
Answer
A. 15%
55
Firing order of a 6- cylinder in line engine is:
Answer
D. 1-5-3-6-2-4
56
The property of liquid used in the manufacturing of lead shots is :
Answer
C. Surface tension
57
Barometer is used to measure :
Answer
A. Atmospheric pressure
58
The equation of continuity in brief states that the βββββββββββββ of the fluid through a
section remains the same :
Answer
B. Mass
59
Thrust bearing wear will cause excessive :
Answer
C. Crankshaft endplay
60
A venturimeter is used to measure :
Answer
D. Discharge through a pipe
61
The heading up of water due to an obstruction in its flow is called :
Answer
A. Afflux
62
Detonation results from :
Answer
B. Over advanced ignition timing
63
Hydraulic radius is the ratio between wetted area to :
Answer
A. Wetted perimeter
64
Generally in 4 stroke diesel engine the inlet valve opens :
Answer
A. 25 degree before TDC
65
The three basic pollutants the emission system control
Answer
C. HC, CO and NO
66
Which is the most common tool used for drawing circles :
Answer
D. Compass
67
Drawing pencils are graded according to increase in relative :
Answer
D. Hardness
011/2020 10 A
68
In unidirectional system the dimensions are :
Answer
C. Placed by breaking the dimension line in the middle
69
The scale of a drawing is given as 1:20 what is the representative fraction :
Answer
B. 1/20
70
How many external tangents are there for two circles :
Answer
B. 2
71
The sections cut by a plane on a right circular cone are called :
Answer
B. Conic sections
72
Which of the following is conic section :
Answer
A. Circle
73
A plane is held parallel to horizontal plane in which view we can watch drawing on that
plane :
Answer
A. Top view
74
A circle is placed at 20 degrees with vertical the view from top view will be :
Answer
Question Cancelled
75
Which of the following represents reducing scales
Answer
B. 1:2
76
In first angle projection method object is assumed to be placed in
Answer
A. First quadrant
77
The dotted line represents :
Answer
A. Hidden edge
78
The length width in case of an arrow head is :
Answer
C. 3:1
79
The internal angle of a regular hexagon is βββββββββββββ degree :
Answer
C. 120
80
A point βpβ is above horizontal plane and in front of vertical plane. The point is in :
Answer
A. First quadrant
81
Orthographic projection is also known as :
Answer
C. Multi view projection
82
How many pairs of parallel lines are there in regular hexagon :
Answer
B. 3
83
When drawing a perpendicular line through apoint which is nearer to the middle of a given
line is cut at two points on the line?
Answer
D. An arc
84
The line perpendicular to a tangent and is passing through the point of contact is called :
Answer
C. Normal
85
The preferred size of the drawing sheet is recommended by the :
Answer
A. BIS
86
By converting 5.6 m2 in to cm2 answer will be:
Answer
C. 56000 cm2
87
A rectangular field is 40 m long and 30 m wide. Perimeter of rectangular field is:
Answer
D. 140 m2
88
The perimeter of a triangle of side 10 cm, 5 cm and 6 cm is:
Answer
A. 21 cm
89
Ninu took two rounds of a ground 180 cm long and 100 m wide. The total distance covered by
him is:
Answer
C. 1120 m
90
Find the side of a square whose perimeter is 324 cm:
Answer
B. 81 cm
91
The amount of region enclosed by a plane closed figure is called:
Answer
A. Area
92
The area of a square field is 24200 sq.m. How long will a man take to cross the field,
diagonally at the rate of 6.6 km/hr:
Answer
B. 2 minutes
93
A 5 cm cube is cut in to as many 1 cm cubes as possible. What is the ratio of the surface area
of the larger cube to that of the sum of the surface areas of the smaller cube
Answer
B. 1:5
94
What is the area of an equilateral triangle of side 16 cm.
Answer
D. 64 3 cm 2
95
Find the area of a trapezium whose parallel sides are 20 cm and 18 cm long and the distance
between them is 15 cm:
Answer
C. 285 cm2
96
If the edge of a cube is 1cm then which of the following is its volume:
Answer
C. 1 cm3
97
If the dimensions of a room are l, b, h (l-length,
Answer
A. 2 h ο¨l ο« bο©
98
Two identical cubes each of total surface area of 6 cm2 are joined end to end. Which of the
following is the total surface area of the cuboid so formed.
Answer
C. 10 cm2
99
An octagon has βββββββββββββsides.
Answer
B. 8
100
A man walks entirely around his semi circular garden. What is the area of his garden if he
walks 324 m
Answer
B. 6237 m2
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