| Post Name | Technical Assistant - Kerala Agro Machinery Corporation Limited |
|---|---|
| Question Paper Code | 024/2020 |
| Category Code | 087/2018 |
| Date of Test | 15 September 2020 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
High Specific Speed of a pump implies it is:
Answer
C. Axial Flow Pump
2
Which one of the following is the unit of mass density?
Answer
A. Kg /M3
3
Resistance to fatigue of a material is measured by:
Answer
B. Endurance limit
4
In steel plant the most important system for materials handling is:
Answer
D. Locos
5
The following is indirect cost of accident:
Answer
C. Cost of lost time of injured worker.
6
Gear box is used:
Answer
C. To obtain variable speeds
7
The pressure at a point in a fluid will not be same in all the directions when the fluid is:
Answer
D. Viscous and Moving
8
For manometer, a better liquid combination is one having:
Answer
A. Higher Surface Tension
9
The steam leaves the nozzle at
Answer
D. Low Pressure and High Velocity
10
Arc-welding uses following electric supply:
Answer
C. Both AC and DC
11
Angle of twist is directly proportional to:
Answer
C. Torque
12
The deflection of a cantilever beam under load W is 8. If its width is halved, then
the deflection under load W will be:
Answer
C. 48
13
Bell metal contains:
Answer
D. 70-75% Copper and Rest Tin
14
Which of the following layouts is suited to job production:
Answer
A. Process Layout
15
In V-belt drive, belt touches:
Answer
B. At Sides Only
16
A safety programme consists of:
Answer
B. Four E’s
17
The most commonly used flame in gas welding is:
Answer
A. Neutral
18
Bernoulli’s equation cannot be applied when the flow is:
Answer
D. All of the above
19
The objective of ISO-9000 family of quality management is:
Answer
A. Customer Satisfaction
20
Basic shaft is one:
Answer
A. Whose Upper Deviation is Zero
21
Ductility of a material can be defined as:
Answer
B. Ability to undergo large permanent deformations in tension
22
Which of the following is a mechanism for mechanized movements of the carriage along
longitudinal axis?
Answer
C. Apron
23
If the Reynolds number is less than 2000, the flow in a pipe is:
Answer
B. Laminar
24
The degree of perfection used in instruments, the methods and the observations, is known as:
Answer
A. Precision
25
The percentage of carbon in grey iron castings usually varies between:
Answer
C. 2.5 To 4.5%
26
The total pressure force on a plane area is equal to the area multiplied by the
intensity of pressure at the centriod, if:
Answer
D. All of the above
27
A Body Floats In Stable Equilibrium:
Answer
B. When the metacentre is above
28
The process of beveling sharp ends of a work piece is called as:
Answer
B. Chamfering
29
Motion of a liquid in a volute casing of a centrifugal pump is an example of:
Answer
D. Spiral Vortex Flow
30
Cold Working:
Answer
A. Increases the fatigue strength
31
The piston and the ————— is connected by a connecting rod:
Answer
B. crankshaft
32
The vibration damper on a crankshaft reduces the _____ vibrations:
Answer
A. torsional
33
The exhaust valve usually starts opening:
Answer
B. before BDC
34
The purpose of the thermostat is to keep the engine:
Answer
D. at desired temperature
35
What is the property of lubricating oil to resist internal deformation due to mechanical
stresses?
Answer
C. viscosity
36
————— is used to reduces surging of fuel on account of sudden braking or cornering in a
fuel tank.
Answer
D. baffle plates
37
————— is the phenomenon of supplying air fuel mixture to the engine above the
atmospheric pressure.
Answer
B. Supercharging
38
How many pumps are used in thermo syphon water cooling system?
Answer
D. no pump
39
The specific advantage of a cone clutch is:
Answer
B. normal force is larger than axial force
40
Friction plate is held between:
Answer
C. pressure plate and flywheel
41
Which shaft is used to transfer power from engine to gearbox:
Answer
A. Clutch shaft
42
The fluid coupling is most efficient as drive ratio approaching to:
Answer
D. 1:1
43
Name the driving member of a torque converter:
Answer
D. impeller
44
What is two leading shoe in brake system?
Answer
A. both shoe expand in the direction of the rotation of the drum
45
Presents of metal chips in the oil, drained from the gear box indicates:
Answer
D. All of the above
46
Valve clearance is inspected by:
Answer
D. feeler gauge
47
The device which measures the concentration of oxygen in exhaust gas:
Answer
B. Lambda sensor
48
In MPFI system fuel is supplied to the cylinder by:
Answer
A. Electronic actuator
49
CRDi means:
Answer
B. Common Rail Direct Injection
50
Clutch dragging is noticeable:
Answer
C. when shifting gears
51
In a single cylinder engine, the volume of the cylinder (including the combustion chamber),
when the piston is at TDC and BDC are in the ratio 1:14. The compression ratio of the engine
will be:
Answer
Question Cancelled
52
In a four stroke, compression ignition engine, theoretically for how degrees of crank rotation
will both inlet and outlet valve be closed?
Answer
D. 360
53
In a power tiller the power from engine is transmitted to clutch by using:
Answer
Question Cancelled
54
Which of the following type of transmission gear box is used in power tillers?
Answer
A. Sliding Mesh
55
In a four stroke cycle engine, the speed ratio between crankshaft and camshaft is:
Answer
C. 2:1
56
Differential lock in tractors can be used for:
Answer
C. Giving equal traction to both rear wheels
57
In a dry type single plate mechanical clutch, which of the following statement is true when
the clutch pedal is depressed?
Answer
B. Clutch plate stops rotation
58
In a double drop type steering mechanism, which of the following is to be adjusted for
changing toe-in or toe-out?
Answer
D. Steering drag link
59
If the draft control of the hydraulic system in tractor is engaged, which of the following
statement is correct?
Answer
B. Depth of operation varies as per soil resistance
60
As per IS 4468 – 1977, the three point hitch systems are categorized based on:
Answer
A. Maximum drawbar hp
61
The processes adding additional weight to rear wheels in tractor for improving traction is
called:
Answer
D. Ballasting
62
In an engine push rod is located between:
Answer
C. Tappet and rocker arm
63
The specific fuel consumption of an tractor engine is:
Answer
C. Fuel consumed per unit time per unit power
64
In a three cylinder four stroke engine, the successive power strokes in different cylinders will
differ by ————— degrees of crank shaft rotation.
Answer
C. 240
65
Which of the following will be present in diesel engine?
Answer
C. Fuel injector
66
The Government of Kerala undertaking company manufacturing Power Tillers is:
Answer
D. KAMCO
67
Tillage is the term referring to:
Answer
C. Mechanical manipulation of soil
68
The function of land side in mould board plough is:
Answer
A. To take the side thrust and to balance
69
Increasing vertical suction in mould board plough will:
Answer
D. Increase depth of ploughing
70
The total force extorted on plough by the power source is called:
Answer
B. Pull
71
Which of the following is not a function of secondary tillage?
Answer
A. To increase the depth of ploughing
72
Gang angle of a single action disc harrow is the angle between:
Answer
A. Gang axis and line perpendicular to direction of travel
73
In a tractor operated seed drill, the power for rotating the seed metering shaft is obtained
from:
Answer
B. Ground wheel
74
Among the following sprayer nozzles, which one will produce finer droplets compared to
others:
Answer
D. Hollow cone
75
Which of the following type cutter bars are used in vertical conveyor reapers?
Answer
C. Reciprocating type
76
Which of the following is not a component of header unit of a combine harvester?
Answer
D. Threshing cylinder
77
In a combine harvester, the ratio of peripheral speed of reel to forward speed is known as:
Answer
B. Reel index
78
A 2.5 m width combine harvester with an average operating speed of 4 kmph was used
harvest crop in 6 ha of land. If the field efficiency of the machine is 75%, the time taken to
complete the work will be:
Answer
B. 8 hours
79
Which of the following type of threshing cylinder will not chop the straw?
Answer
A. Wire loop
80
In a thresher more seed damage will be caused, if:
Answer
B. Cylinder speed is increased
81
The equipment or machine used for making harvested fodder crop into smaller pieces is:
Answer
D. Chaff cutter
82
Which of the following type of seedlings are used in commercially available rice transpanters
in the state?
Answer
A. Mat type seedlings
83
Type of bearing used for supporting the discs of a standard disc plough is:
Answer
Question Cancelled
84
Number springs fitted to each tine in a spring loaded tine cultivator is:
Answer
B. 2
85
In Power harrow, the blades rotate about ––––––––––– axis.
Answer
C. Vertical
86
The gear box of a tractor operated rotavator consists of:
Answer
A. Bevel gears
87
If the seed rate of a seed drill with fluted roller mechanism was found higher than the
recommended, how it can be corrected:
Answer
C. Decreasing exposed length of fluted roller
88
In power tillers the steering of the machine is achieved by:
Answer
B. Steering Clutch
89
The function of Straw walker in combine harvester is:
Answer
C. To separate grain from chaff and to covey chaff to rear
90
The machine / equipment used to collect straw from field and to make it bundles is:
Answer
B. Baler
91
Which of the following are employed in mould board plough to cut a furrow slice ahead of
plough bottom and to cut trashes?
Answer
A. Coulter
92
The power actually delivered by a tractor to pull or move an implement at uniform speed is
called:
Answer
D. Drawbar horse power
93
In rice hullers, hulling is achieved by passing rice between two rollers rotating:
Answer
C. At different speeds one clockwise and other anticlockwise
94
Which of the following pump can be used for high discharge at low heads?
Answer
D. Propeller pump
95
Puddlers are used in paddy fields for:
Answer
A. Churning of soil in presence of excess water
96
The material with which the tines of cultivators are made is:
Answer
D. Carbon steel
97
Ball bearing 6204 is suitable for shaft of radius:
Answer
C. 20 mm
98
The type of farm implements, which is pulled and guided from a single hitch point and never
completely support by tractor are called:
Answer
A. Trailed implements
99
The standard speed of 6 straight splined PTO shaft of tractors is:
Answer
B. 540 ± 10
100
In side mounted mower, for proper alignment the cutter bar is provided a lead equal to:
Answer
D. 2 cm per m length of cutter bar
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024/2020 14 A
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