Previous Exams

Lab Tech Asst - Maintanance and Repairs of two wheelers- 2015


Time Remaining :
1. The petrol engine is working on:
Constant Pressure Cycle
Constant Volume Cycle
Carnot Cycle
None of the above
2. The main difference in operation of petrol engine from diesel engine is that :
draws air fuel mixture during suction
draws only air during suction
inlet valve closes during compression
exhaust valve opens during exhaust stroke
3. If a single cylinder engine produce a power in each rotation of crank shaft,then the engine is a:
4 - stroke engine
2 - stroke engine
Wankel engine
All of the above
4. The antiknocking properties of petrol is expressed in :
SAE number
Cetane number
Octane number
5. The number of crank pin in the crank shaft of a V-type engine is:
equal to number of cylinder
equal to double of number of cylinder
equal to half of number of cylinder
None of the above
6. The size of fly wheel used in single cylinder 4-stroke engine compared to a fly wheel of the single cylinder 2-stroke engine of the same capacity is :
None of the above
7. Which of the following compound is added to petrol to improve it's anti knocking property?
Sodium bicarbonate
Calcium bicarbonate
Pottasium nitrate
Tetra ethyl lead
8. Diaphragm type mechanical fuel pump is driven by:
Camshaft eccentric
Cooling fan
9. If the engine is continues to running after the ignition switch is turned off is called:
10. The component of battery coil ignition system which convert battery voltage into breakdown voltage is called:
Ignition Coil
Ballast resistor
11. The mechanism which uses fly weights to advance spark in the engine cylinder is:
Vacuum advance mechanism
Centrifugal advance mechanism
Manual advanced mechanism
None of the above
12. The location of exhaust port and transfer portof a two stroke engine which carries out loop flow scavengingis:
at opposite sides of cylinder
same side of the cylinder
exhaust port located at head
transfer port located at head
13. Helical control groove in FIP is provided in:
Control sleeve
Control pinion
Pump cylinder
14. Decompressor arrangement is provided for :
to circulate refrigerent
to increase volumetric efficiency
release pressure from cylinder for easy cranking
decrease fuel supply
15. For proper fixing in to the engine cylinder , the outer surface of which linear need to be accurately finished:
Wet liner
Dry liner
Wet liner and Dry liner
None of the above
16. The space between the piston and cylinder wall is called :
piston clearence
end clearence
lip clearence
None of the above
18. Valve train clearence is known as:
valve lift
valve overlap
guide clearence
valve lash
19. Which among the following bearings are commonly known as antifriction bearing?
foot step bearing
journal bearing
collar bearing
bail and roller bearing
20. How many cells are there in a 12 V lead acid battery?
21. Which among the following material is used as a solid lubricant?
Calcium chloride
Calcium carbonate
Copper sulphate
22. On discharged condition both positive and negative plates of lead acid battery is changed into:
None of the above
23. What is the effect of increase in temperature on specific gravity of electrolyte of lead acid battery?
Specific gravity decreases
Specific gravity increases
First decreases then increases
No effect
24. What will be the open circuit voltage of a cell of a fully charged battery of lead acid type?
12.6 V
3.1 V
2.1 V
10 V
25. In an electric circuit the ammeter is connected in:
parallel to the circuit
series to the circuit
either series or parallel
None of the above
26. In compound wound starting motors the firld coil is:
Connected parallel with the armature
Both series and parallel with the armature
Connected in series with the armature
None of the above
27. The spark plug gap is in the range of :
2.3 mm
0.6 to 1 cm
0.5 to 1.5 cm
0.6 to 1 mm
28. The centrifugal force on the pressure plate of semi centrifugal clutch can be adjusted by:
adjusting screw on lever
adjusting nut on the pressure plate
adjusting spring force
pivoted ring
29. The type of gear wheels used in sliding mesh gear box:
helical gear
double helical gear
spur gear
spiral gear
30. The tool which is used to remove gear,bearing,wheels and pulleys from their attaching components are?
Screw driver
Monkey plier
31. In semi floating type rear axle,the bearing is located?
On the axle and inside axle casing
On the axle casing and inside the hub
On tha axle and inside the hub
None of the above
32. Which of the following is finishing operation of machined components?
33. The type of jack with diamond shaped frame having a nut on one side and a sleeve on other side:
Trolley type
Scissor type
Bottle type
34. Which of the following is not a test conducting for injectors?
Vacuum test
Spray test
Pressure test
Leakage test
35. The advantage of tandem master cylinder is that:
It never fails
Vehicle does not skid
Can provide individual fluid lines for all axle
100% breaking efficiency
36. The part of hydraulic brake system which actuates brake shoes directly:
Master cylinder
Push road
Wheel cylinder
Brake pedal
37. The brake pads of disc brakes are returned by:
Retractor spring
Rubber seal ring
Shoe return spring
38. When operation has to be done on the ends of brake pipe to prevent leakage?
Counter sinking
39. The volatile liquid that filled in belows type thermostat is:
ethylene glycol
40. In tubular type radiator cores:
Air flows through tubes and coolent passes around
Coolent passes through tubes and air passes around
Air and coolent passes through tubes
Air and coolent passes around tubes
41. Which of the following is not an effect of providing cooling fins around engine cylinder?
Increase heat trasfer area
Decrease heat transfer rate
Increase cooling effficiency
None of the above
42. The boiling point of at normal atmospheric pressure is:
212 degree F
273 degree K
100 degree F
100 degree K
43. Most of the coolent pumps used in automobiles are of:
Gear type
Vane type
Reciprocating type
Impeller type
44. The commonly used firing order for six cylinder in line engine is:
45. What material is plating on bore of aluminium alloy cylinder blocks to obtain a wear resistant surface?
46. What is the advantage of alluminium alloy piston over cast iron piston of same size?
higher brittleness
less thermal conductivity
lighter in weight
All of the above
47. What is the purpose of providing vertical slot or T-slots on piston?
for the seating of compression ring
for the seating of oil ring
for lubrication
restrict the change in diameter during thermal expansion
48. The volume of cylinder when piston at TDC is called:
swept volume
clearence volume
engine displacement
piston clearence
49. The nuts and bolts are usually made of :
cast iron
mild steel
chromium steel
None of the above
50. The instrument which is used to measure current voltage and resistance:
51. The needle valve of carburettor is closed and opened by :
air jet
main petrol jet
throttle valve
52. Which of the following is a temporary fastening method?
screwed jointing
53. Anealing is a heat treatment process to :
Soften the steel
Harden the core of steel
Harden the surface of steel
Temper the steel
54. The tool which is used to remove broken stud from threaded hole is:
stud remover
stud extractor
welding holder
55. One atmospheric pressure is equal to :
1 bar
10 bar
760 mm of H2O
1.01325 bar
56. Which of the following is not a unit of work?
Newton metre/second
Newton metre
57. The quantity of heat required to raise a unit mass of substance through a unit raise in temperature is called:
specific heat
latent heat
sensible heat
calorific value
58. Which of the following is a cold starting device used in diesel engine?
choke valve
cooling coil
priming pump
glow plug
59. In battery less conventional ignition system ,the current generates and supplies for the primary winding of ignition system by:
60. How many high tension leads are there in a distributor cap for a twin cylinder four stroke engine with a spark plug in each cylinder?
61. Which of the following is not a cause for diesel engine does not start?
air in the fuel system
blocked or clogged fuel filter or fuel lines
small leakage in diesal tank
None of the above
62. Accelerator linkage of a petrol engine using carburettor is connected to :
choke value
air cleaner
throttle valve
63. Which of the following two wheeler using DTSi engine?
Honda eterno
Bajaj pulsar-180
TVS .Star City ES
TVS Star Sport
64. The condensor used in battery coil ignition circuit is connected :
parallel to CB point
Series to CB point
either series or parallel to CB point
None of the above
65. Which of the following is not an advantage of two strock engine compared to four strock engine of same size?
lighter in weight
higher volumetric efficiency
more power is produced
None of the above
66. Which of the following material can be used for making contacts points on the rotor of distri-butor?
67. Which of the following is not a cause for mileage of two wheeler?
Under inflated tyres
choke valve remains open during driving
speedy driving beyond economic speed
None of the above
68. The degree of variation of viscocity of a liquid with temperature is termed as:
Kinematic viscosity
Absolute viscosity
Viscosity index
All of the above
69. Which type of fuel supply system is commonly used in motor cycle?
Gravity system
Pressure system
Vacuum system
Pump system
70. The CB point gap is in the range of:
0.35 mm to 0.45 mm
0.35 cm to 0.45 cm
0.30 cm to 0.40 cm
1 mm to 1.35 mm
71. The component of battery coil ignition system which helps to avoid spark between CB point is:
Ballast resistor
Spark plug
72. Which of the following is not a cause for the vehicle will not take speed according to pressing of accelerator pedal?
Clutch slipping
Brake binding
Excessively worn out clutch plate
None of the above
73. One horse power is equal to:
700 Watt
635.5 Watt
716.5 Watt
735.5 Watt
74. Bronze is an alloy of:
Copper and Zinc
Copper and Lead
Copper and Tin
Copper,Zinc and Tin
75. What is the advantage of using radiator pressure cap:
Increase the boiling point of water
Reduce coolent lose
Maintain the system at a pressure higher than atmosphere
All of the above
76. Which among the following is an example of positive clutch?
Diaphragm clutch
Multiplate clutch
Single plate pressure spring clutch
none of the above
77. If the speed of a vehicle is doubled the air resistance is
Increased by four times
Decreased by four times
Increased by two times
Decreased by two times
78. The component of pressure spring type single plate clutch system which disengage from fly wheel when presscing clutch pedal is:
Pressure plate
clutch cover
clutch disc
release bearing
79. The cross section of brake shoe is of :
80. The power utilised to propel the vehicle is known as:
81. Who formulate the fiscal policy in India?
Planning commission
Finance Commission
the Reserve Bank of India
Ministry of finance
82. Which National Park harbours the largest number of one-horned Rhinos?
Periyar National Park
Kanha National Park
Kaziranga National Park
Corbett Natinal Park
83. Which monument was built to commemorate the visit of King George V and Queen Mary to Bombay?
India Gate
Gateway of India
Victoria Terminus
Elephanta Caves
84. Whose death anniversary was observed as Anti-Terrorism Day on 21st May?
Jawaharlal Nehru
Rajiv Gandhi
Indira Gandhi
Mahatma Gandhi
85. The state having a largest area of forest cover in India is:
Arunachal Pradesh
Madhya Pradesh
86. Who fixes the poverty line in India?
Lok Sabha
Rajya Sabha
Planning commission
87. Who discovered the Edakkal caves in Wynad in 1890?
Fred fawcett
Alexander Cunningham
KN Dikshit
John Marshall
88. Who is known as the 'Grand Old Man of India'?
Khan Abdul Ghaffar Khan
Dadabhai Naoroji
Lala Lajpat Rai
89. When the partition of Bengal was annulled?
90. Who was the first Viceroy of India?
Lord Wellesly
Lord Canning
Lord Minto
Lord Dufferin
91. In 1959, who was given the title 'Bharata Kesari' by the Indian President:
Thycad Ayya
Mannathu Padmanaban
Sahodaran Ayyappan
92. Swadesabhimani' News paper was started by:
Ramakrishna Pillai
Vakkom Abdul Khader Moulavi
Sree Narayan Guru
93. Who was the leader of 'Ezhava Memorial'?
Sree Narayana Guru
Dr. Palpu
Sahodaran Ayyappan
94. Who set up the Sanskrit study center "Thatwaprakashika" in 1906 at Kozhikode?
VT bhattathirippad
Sahodaran Ayyappan
95. Who said 'There is no used for Caste. It curtails man's freedom; destroys his intelligence'?
Sree Narayana guru
Mahatma Gandhi
Vakkom Abdul Khader Moulavi
96. Which Indian won Nobel Prize for Peace for his work on promoting child rights?
Mother Teressa
Amarthiya Sen
C.V. Raman
Kailash Satyarthi
97. The 41st G7 summit was held at:
98. The Bollywood actor who was honoured with the Dada Saheb Phalke Film Foundation Award in 2015.
Amitabh Bachan
Shah Rukh Khan
Amir Khan
Salman Khan
99. Who won 2015 UEFA Champions League Title?
Manchester United
Celtic Answer
100. The Chief Election Commissioner of India:
Hari Shankar Brahma
Nasim Zaidi
VS Sampath
SY Quraishi