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Trademan-Diesel Mechanic-2017

 

Time Remaining :
1. Super charging in a diesel engine is also called:
Scavenging
Boosting
Cleaning
Silencing
2. Thermostat valve strats to open above:
20%
50%
80%
90%
3. The oil pan in an engine is made of:
Steel or aluminium
Steel or cast iron
Cast iron or brass
Cast iron or zinc
4. The rate of doing work is called:
Energy
Power
Torque
Force
5. Which one of following is an insulator:
Aluminium
Copper
Iron
Mica
6. One Newton is equal to:
Answer1
Answer2
Answer3
Answer4
7. Which part of the piston is subjected two high pressure and temperature?
Skirt
Ring section
Hand
Crown
8. Venturi unit and diaphragm unit are the to main parts of the following Governors:
Pneumatic
Hydroic
Mechanical
Servo
9. The stroke of an engine is:
Length of the connecting rod
Distance between T.D.C and B.D.C.
Volume of the cylinder
Inside diameter of the cylinder
10. The compression ratio in a diesel engine can be as high as:
18:1
12:1
14:1
25:1
11. A 12 V lead acid battery consist of:
Three cells in series
Six cells in series
Three cells in parallel
Six cells in parallel
12. The diesel engine usually emits excessive smoke during:
Starting
Idling
Accleration
Decelerating
13. The thermostat valve starts to open at about:
20degreeC
50degreeC
90degreeC
80degreeC
14. The number of ignition coils a distributorless ignition system for a six cylinder engine is
20%
3
6
12
15. Oil bath air cleaner is serviced:
After every 2000 km
After every 3000 km
After every 4000 km
After every 5000 km
16. Radiator core should be cleaned by:
Out side the fan side
Reverse flushing
Top to bottom of core
Top hose to bottom house
17. The minimum graduation of an engineer's steel rule is:
0.25 mm
0.50 mm
0.75 mm
1.00 mm
18. The Instrument used to measure cylinder bore diameter is:
Out side micrometer
Vernier caliper
Telescopic gauge
Bore dial gauge
19. C.B.point are generally made of:
Tungsten
Steel
Copper
Plastic
20. Aluminium cylinder block requires:
Aluminium liners
Brass liners
Cost iron liners
No liners
21. In a vernier micrometer,vernier scale is gradated on:
Frame
Spindle
Barrel
Thimble
22. It has to withstand high pressure and temperature piston is made out of
Copper
Cast iron
Steel
Aluminium alloy
23. The crankshaft transmit torque directly to:
Flywheel
Propeller shaft
Rod wheel
Differential
24. Exhaust valve fall angle is generally:
30 degree
45 degree
60 degree
75 degree
25. Which one of the following is not unit of pressure?
Peal
Torr
Newton
Bar
26. The unit capacitance is:
Ohm
Siemems
Farrad
Mho
27. One joule is equal to:
107 ergs
103 ergs
109 ergs
105 ergs
28. Bench vice is normally made of:
Cast iron
Cast steel
Mild steel
High speed steel
29. Deposit of carbon in the exhaust system:
Will reduce back pressure
Will have no effect on back pressure
Will increase back pressure
Will result in pressure
30. The boiling point of the coolant is increased in the cooling system which of the following makes it possible to increase the boiling point:
Pressure radiator cap
Vacuum valve
Water jackets
Radiator core
31. A governor,which provided perfect speed regulation with zero speed drop is called:
Isobar governor
Isotherm governor
Isochronous governor
Isocline governor
32. Much of the heat in the exhaust gases may be recovered by the use of:
Heat exchanged
Muffler
Manifold
Tail pipe
33. A noise produced in the cylinder of a diesel engine during combustion usually when the fuel oil has a low ignition quality is called:
Fuel burst
Fuel explosion
Fuel knock
Fuel thrust
34. In starting of diesel engine by electric starting,what is used to supply power to the power motor?
Dynamo
Gneerator
Rectifier
Battery
35. .What is the pitch of a fine hacksaw blade?
1.8 mm
1.0 mm
0.8 mm
1.4 mm
36. The resistance in an open circuit is:
Zero
Very low
Very high
Infinite
37. The fuel injection timing in a distributor type pump is controlled by:
Changing plunger stroke
Changing speed of rotor
Rotating the cam ring
Changing the number of cams on the ring
38. The special feature of pintle type nozzle is that it:
Has a single hole
Has an extended stem to form a pin
It is suitable for cold weather
Is designed for easy starting
39. Top portion of liner does not come in contact with piston.Ring forms ridge in the cylinder bore.The tool used to remove ridge.
Milling cutter
End mill cutter
Ridge cutter
Seat cutter
40. Identify the type of floating of gudgeon pin proved with circlip:
Semifloating
Full-floating
Three-quarter floating
Non-floating type
41. The most important characteristic of a lubricating oil is its:
Viscosity
Physical stability
Chemical stability
Resistance against corrosion
42. In the phasing operation the time the fuel injection in each cylinder in relation to the pump camshaft.Which one of the following is to be adjusted?
Control sleeve
Tappets
Toothed quadrant
Control rack
43. A four cylinder engine has a capacity of 2.4 litres.The swept volume of one cylinder is:
400 cm3
600 cm3
1200 cm3
2400 cm3
44. What is likely to happen if the thermostat valve remains closed?
Over heating of engine
Rough idling
Slow warming up of engine
Difficulty in starting of engine
45. A Rough file is used:
On non irregular jobs
To reduce the metal rapidly
On wood
If smooth file is not suitable
46. In order to ensure effective cooling of each cylinder of the engine is surrounded by:
Radiator
Water tube
Water ring
Water jacket
47. The main purpose of lead acid battery is to store electrical in the form of:
Kinetic energy
Potential energy
Chemical energy
Mechanical energy
48. A grinding wheel is marked:51A46 L5V-23.Here what does 5 denote?
Kind of bond
Structure
Kind of abrasive
Grain size
49. India’s position in terms of its size is:
3
4
6
7
50. Who designed our National Flag?
Pingali Vengayya
Udaya Kumar
Rabindranath Tagore
Robert Bristo
51. Which Political leader is known as Lion of Punjab?
Bhagat Singh
Sukhdev Singh
Lala Lajpath Rai
Raj Guru
52. Nagarjuna Sagar Project is situated across which river?
Godavari
Krishna
Kaveri
Thungabhadra
53. Largest island among Lakshadweep island group:
Minicoy
Kavarathi
Androth
Kalpeni
54. In which year was ICDS project launched in India?
1970
1973
1975
1980
55. Who was Political Guru of Mahatma Gandhi?
S.N.Banerji
Gopala Krishna Gokhale
M.G.Ranade
Dadabhai Naoroji
56. In which congress session was Poornaswaraj resolution passed?
Mumbai
Tripura
Lucknow
Lahore
57. District in which the Kayyur Struggle 1941 took place
Kannur
Kasarkode
Kozhikode
Wayanad
58. Which is the largest beach in Kerala?
Muzhuppilangad
Cherai
Sankumugham
Payyambalam
59. Which is the birth place of social reformer Vagbadanandha?
ollangode
Kannanmoola
Patyam
Thalassery
60. Name the Social reformer who formed the Cultural Organisation ‘Vidyaposhini’?
Pandit Karuppan
Sahodaran Ayyappan
Velukutty Arayan
Arattupuzha Velayudha Panikkar
61. In which year was ‘Sadhujana Paripalana Sangham’formed under the leadership of Ayyankali?
1903
1907
1918
1924
62. Name the Social reformer who participated in the Kakkinada Congress Session in 1923
T.K.Madhavan
Mannath Padmanabhan
C.Keshavan
K.Kelappan
63. 'God is omnipresent.I don’t go to temple in search of God.Temple is the largest institution that protects untouchability.'Who said this comment?
Swami Chinmayanandha
V.T.Battathirippad
Swami Anandhatheerthan
Swami Agamanandha
64. Who is the present Human resource minister of India?
Prakash Javedkar
Smrithi Irani
Menaka Gandhi
Uma Bharathi
65. Who is the present Vice Chairman of Planning Board in Kerala?
Aravindh Panagariya
Geetha Gopinath
V.R.Ramachandran
Sudhakar Prasad
66. Which is the first digital state in India?
Karnataka
Kerala
Seemandhra
Punjab
67. Who won the Dadasahib Phalke Award in 2015?
Shashi Kapoor
Gulzar
Adoor Gopalakrishnan
Manoj Kumar
68. Who is the sports player known as ‘Flying fish’?
Larisa Latynina
Michael Phelps
Usain Bolt
Milkha Singh
69. Which part of the engine operate the valve?
Connecting Rod
Crankshaft
Camshaft
Timing Gears
70. Inlet and exhaust ports are situated in the two stroke engine at: A. B. C. D.
Oil sump
Inlet manifold
Air filter
Cylinder valves
71. Piston Rings are commonly made of:
Cast Iron
Bronze
Zink
Copper
72. Cutting Tool used to finishing and enlarging a drilled is known as:
Die
Reamer
Bore gauge
Tap
73. A petrol engine:
Is a compression ignition
Is an external compression engine
Uses gasolian as fuel
Is a spark ignition engine
74. Which instrument used to check the specific gravity of the electrolyte of the battery:
Hygrometer
Hydrometer
Hydroscope
Lactometer
75. Engine Radiator core is made of:
Braze
Cast Iron
Plastic
Steel
76. The oil lubricating pump operated by:
Crankshaft
Rooker arm
Fly wheel
Camshaft
77. Connecting Roid connect the crankshaft and the :
Camshaft
Oil pump
Piston
Cylinder head
78. In-take Air-fuel in petrol engine burned in:
Cylinder
Caburettor
FIP
Air Filter
79. Which one of the following types of engines has the longest crankshaft?
Radial engine
Opposite engine
Inline engine
’V’engine
80. The connecting rod is built of:
Alloy steel
Brass
Cast iron
Aluminium
81. Which part Indicate the oil level on the engine sump?
Feeler gauge
Plastic gauge
Pitch gauge
Dipstick
82. The purpose of thermostatic is to keep the engine:
At desired temperature
Hot
Cool
Warm
83. Which one of the following parts is not a part of engine exhaust system?
Valve
Muffer
Pressure cap
Tail pipe
84. On the rear end of the crankshaft is mounted:
Fly wheel
Counter weight
Vibration damper
Timing sprocket
85. The minimum number compression rings in an automotive engine:
Three
Five
Two
One
86. A Diesel engine:
CI engine
SI engine
External combustion engine
Use gasoline as fuel
87. During suction stroke the charge drawn in a petrol engine is:
Petrol only
Air only
Air petrol mixture
None of the above
88. In a diesel engine feed pump is located on:
Cylinder head
FIP
Air filter
Injector
89. Valves are arranged to open before T.D.C. or B.D.C is reached this is called:
Lag
Lead
Overlap
None of the above
90. The mostly common used valve in automobile engine:
Poppet valve
Sleeve valve
Rotary valve
None of these
91. In diesel engine the fuel ignited by:
Glow plug
Spark plug
By virtue of temperature of compressed air
Injector
92. The camshaft controls:
Valve opening
Valve closing
Valve timing
All of these
94. The exhaust manifold in small diesel engine is made of:
Cast iron
Brass
Aluminium
Copper
95. Slow seeping of fuel oil from the nozzle tip after cut off the fuel is called:
Clogging
Seepage
Pouring
Dribbing
96. From the oil pump the oil goes directly to:
Oil gallery
Oil strainer
Oil filter
Pressure switch
97. The hand priming device is put to use when the engine is:
Idling
Buring at full speed
Running at full speed
Not working
99. If the thermostatic is stuck closed,the engine will:
Over heat
Warm up slowly
Fail to start
Idle
100. Which of the following conductors is used as heating elements?
Tungsten
Carbon
Copper
Nichrome