Related with 'DIESEL MECHANIC' | We found Total 311 Question paper ..!

1482017 O

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A man can develop
A) 0.1hp 5) 0.500
0) 075೧0 0) 1.000

Medium size bullock can develop

&) 0.501௦ 0.75 ஈர 5( 0.7510 1.00

م 1.5 1.010 ‎D)‏ م 1.1 010 0.75 ©

ltis termed as , because 1೧ this type of irrgation, water does not wet the soil
surface.

A) Surface irrigation B) Flood irrigation
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1482017 اا |

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779 01910೧ 90990 ೦1 8೧ 6701೧6 16 908110
ಹ) 20% B) ALN
C) 4LN D) None of these

Oil pump is driven by
A) Connecting rod B) Timing gears
C) Crankshaft D) Piston pin

Flywheel is made of
A) Castiron B) Aluminium alloy
C) High carbon steel D) A combination of these three

The purpose of govemor in the engine
ಹ�.... See more

77.

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The non-bonding molecular orbital present in the MO picture of sigma bonding in octahedral
complexes is

^) ५७ തമ
© e യമ

The reaction between alkyl halide and lithiumdialkyl copper to obtain an alkane is called
(A) Wurtz reaction (B) Sendren’s reaction
(C) Corey -House reaction (D) Curdy’s reaction

The octane number of diesel is expressed by mixing a sample of iso octane with
(ಹ) .... See more

006/2016

Maximum : 100 marks
Time : 1 hour and 15 minutes

1. Pick out the odd one from the following :
(ക) cylinder block (B) crank case
(0) crank shaft (D) cylinder head

2. In an engine the temperature of the piston will be more at :
(ಗ) the crown of the piston (B) the skirt of the piston
(C) the piston walls (D) the land of the piston

8. Which part is not common between the petrol and diesel engines?
(ಗಿ) Aircleaner (18 Silenc.... See more



17. Number of sparks required in one minute for a 4 stroke 4 cylinder petrol engine working at

3000 RPM :

(ക) 6000 (ए) 3000
(0) 1500 D) 150

18. Find out the odd one from the following :
(A) Master cylinder (B) Engine cylinder
(0) Wheel cvlinder (D) Brake drum

19. The property of lubricating oil to resist flow is called :
(ക) viscosity (B) fash point
(0) pore point (D) fire paint

20. Shape of head lamp reflector o.... See more

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The entropy change in a reversible adiabatic process is ‏؛‎
‎(A) മണ @) <0
)© <0 M =0

The efficiency of a Carnot cycle operating between the temperature limits of 327° and 27° is :
(ക) 85% (ए) 60%
(ட 50% ൬) 70%

One ton of refrigeration is equal to : _
(^) ‏٦37‎ (೫) 3.81%
)0 47 று ‏٢٣‎

Which of the followin.... See more

93. ‘Pandavodayam'a mahakavya written by :
(ക Kochunni Thampuran
(B) Kunhikuttan Thampuran
(C) Pandalam Keralavarma
(D) Kerala Varma Valiyakoyi Thampuran

94. One among the following satyagrahas was connected with the tragic death of
K.G. Velayaudhan : ∎

(A}VaikkomSaLyngrnha (B) Guruvayur Satyagraha
(C) Paliyam Satyagraha (D) Payyannur Satyagraha

95. What was Montreal Procotol concerned with?
(A) Checking global warming
(B) Checking.... See more



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Which one is not the function of coefficient of friction in a bearing?

i 2
ತ (B) -

d 1
(0) = (0) 2

The circle drawn with its centre as the cam centre, to pass through the pitch point is the :
(ಗ) prime circle (B) pitch circle
(£) base circle (D) cam circle

Coefficient of fluctuation of speed of 8137911001 15
<.... See more

24. The correction to be applied to each 30 m chain for a line measured along a slope of ‘8 ° 8 :
(५५) 30(1- 10) (8) 301 -५०8 8)
(©) 80௨௩9) (0) 30(1 - ००५6)
25. The vertical distance above or below the datum is called :
(ക) Reduced level of the point (B) Elevation of the point
(C) Height of the instrument. (D) Either (A)or (B)
26. In compression ignition engines the compression ratio is ×
ക്ര 4-6 (೫) 6-12
(©) 10-18 (0) 14-28
2.... See more

42,

45.

Which part of a carburetor shuts of the air supply to aid cold starting?

(^) Throttle (B) Strangler
(0 Float Needle valve (D) Choke valve
The function of oil serapper ring is to :
(ക) Retain compression (B) Lubricate cylinder walls
(0) Maintain vacuum (D) Reduce piston wear

The escape of burned gases from the combustion chamber to the pistons and into the
crankcase is called as :

ക Gas Loss (B) Blow by
(C) Crank cas.... See more



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The frequency of voltage developed in alternator depends upon :
(5) Number of poles and rotational speed
(8) Rotational speed
(C) Number of poles, rotational speed and type of winding
(D) Number of poles

The most commonly used cranking motor drive is :
(4) Barrel type (B) Bendix drive
(¢) Friction clutch drive (D) Over running clutch

The vapor lock pro.... See more

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Camber on highway pavement is provided to take 0876 01;

(^) Centrifugal force (B) Drainage
(0 Sight distance (D) Off tracking
Fine aggregate confirming of which zone is not recommended for making reinforced concrete :
(^) Zonel (B) 1
(C) 295111 ⋅ (D) Zone IV

The quantity of Gypsum added in cement varies from 2 to 3% will depend upon the quantity
01:
.... See more



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If sinA —-—J,O" < A <90°, the 4cos® A-3cos A isequalto:

ಯ) 1 B 0

6 3 1
(0) = D) G

2
The value of ] ×9× 18:
-1

3 -2
(5) = (8) T
2 -3
0) = ಡಾ ‏گے‎
‎(0) 3 o 2
A storey of house below ground level is called :
(4) Lower floor (B) ലിജ
(¢) Sub floor (D) Store
The zero o.... See more

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Compression ratio is the ratio of :
(A) Stroke volume to Clearance volume
(8) Clearance volume to Stroke volume
(©) Sum of Stroke volume and Clearance volume to Clearance volume
(D) Clearance volume to sum of Stroke volume and Clearance volume

Draft tube is used in :

(മ) Hydroelectric power plant (ए) Gas turbine power plant

(0 Nuclear power plant.... See more



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How many number of working stroke per minute will take place for a 1
cylinder 4 stroke engine?

ಯ) 0 (B) 3200
(C) 400 (D) 800
Cooling system used for two stroke petrol engine :
(A) Water cooled (B) Air cooled
(C) 018 cooled (D) Regenerative cooled

The function of carburettor in petrol engine :

(है)
രു
(0)
D)
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1142016
26. 17 81೦೮ stroke engine when one stroke of the piston completed, the crank rotates
through
A) 90°
B) 180°
0) 2705
D) 360°

27. The excess energy developed during power stroke in an engine is stored by
A) Govemor
B) Flywheel
C) Crank shaft
D) Piston

28. The function of a differential is to
A) Connect two rear wheels in correct alignment
8) Receive power from the engine and to transmit to the rear wheels
C) Absor.... See more

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122/2016

For new clutches, it is generally assumed that
^) Wear is uniform

B) Pressure is uniform

C) Both pressure and wear are uniform

D) None of these

The thermal efficiency of theoretical Otto cycle
A) Increases with increase in compression ratio
B) Increases with increase in isentropic index 7
C) 15 independent of pr.... See more

152/2016

1. Repulsion motor is provided with
(A) Commutator (18) Centrifugal switch
)© Capacitor (D) Saquirrel cage rotor

2. Whenever a poly phase motor is loaded the :
(ക) induced emf in the rotor increases and its frequency falls
(8) induced emf in the rotor increases and its frequency rises
(5) induced in the rotor remains constant

(D) induced emf in the rotor decreases and its frequency increases

3. For three resistance are connected.... See more

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sorted paper then has to be repulped or mixed with water and broken down into its
individual fibres. This mixture is called stock and may contain a wide variety of
contaminating materials, particularly if it is made from mixed waste paper which has
had little sorting various machinery is used to remove other materials from the stock.
After passing through the re-pulping process, fibres from.... See more

25. Multipliers are used for :
(ಹಿ) range extension of ammeters (B) range extension of volt meters

(0 range extension of watt meters (D) range extension of energy meters

26. An energy meter has:
(5) no deflecting torque (8) no controlling torque
(C) no damping torque (D) no rotatory torque

27. The current coil of a watt meter is made of with :
(ಮ) low resistance wires (B) high resistance wires
(0) medium resistance wire (D) insulators

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Two isentropic and two constant volume process comprises in :

(है) Dual cycle (B) Carnot cycle
(0 Diesel cycle ௩) Otto eycle
A forging operation in which the diameter increases with the expense of length is known as :
(ಗಿ) Jumping (B) Drawing
(¢) Fullering (D) Piercing
A system in which no mass and energy crosses the boundary :
(ಗ) Ope.... See more

3 ب
:18 مر سقف ] ‎The value of the definite integral‏ .29
1



1
&
(0) ಡ್‌

11 9

D)

80, General solution of the differential equation tan x ಈ y=cosecx tanx is:
7

(ಯ) ysinx=x+C (B) ycosecx +cotx=C
© yoosx=x+C @D y+cosx=C
31, The main constituent of a Portland Cement is :
ക്ര Lime (B) Alumina
(C) Iron Oxide (D) Magnesium Oxide
32. Type of concrete mix used in R.C.C. Work (Buildi.... See more

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Uranium is used as a primary fuel in ————— power plant.
{A) Steam . നു Hydroelectrie
)© Diesel ൬) Nuclear

111 ೩11 ೩1011101110 transmission system the drive from gear box to the rear axle 18 taken by :
(ಗ) ள்‌ (8) Universal joint
(0) Propeller shaft . (D) Differential

A 4-ohm resistor is connected across a 12 V battery. The current flowing wil.... See more

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Co-efficient of friction is equal to :

(ல Sine angle of friction

(C) Normal reaction / Limiting friction
Megger is an instrument used to measure:

(2) resistance

(C) current

Scissors 18 ೩0 0೩77010 01 :
(ക) First order lever
(C) Third order lever

Factor of safety is equal to :
(ക Ultimate stress/cross se.... See more

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The Chief Minister of newly formed state Telengana is:
(ക Chandra Babu Naidu ∙ (B) Yella Reddy
(C) K. Chandra Sekhara Rao (0) Kumarappa

is known as “Blue Gold”.
(മ ೫60701 (B) Diesel
(C) Diamond (D) Water

Kumaran Asan and Dr. Palpy were associated with the organisation :

(A) SNDP (8) 58

(ಲ) NDP (D) Yokashema Sabha
World Blood Donar Day is :

(.... See more

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In large high power marine engines a cross head is used to connect :
(வி Piston to piston rod (B) Piston rod to connecting rod
(0 Cylinder head to engine frame (D) Connecting rod to crank shaft

The ratio of brake horse power to indicated horse power is called :
(ಗಿ) Volumetric efficiency (B) Thermal efficiency
(C) Power efficiency (D) Mechanical efficiency
.... See more