Previous Exams

Junior Instructor (Mechanic Motor Vehicle) - 2015

 

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1. What type of clutch is used in two wheelers?
Multi plate clutch
Cone clutch
Single plate clutch
Diaphragm Clutch
2. In Hotchkiss drive ,rear end driving torqueis taken up by :
Rear axle housing
Rear leaf spring
Shock absorber
Engine mounting
3. The main function of a universal joint is to :
Transfer the engine power in a straight line only
Accommodate change in length of drive shaft
Allow variation of angle between main shaft and drive shaft
All of the above
4. The component of an automobile transmission system that facilitate the drive to turn at right angle are :
Planet pinion and sun gear
Bevel pinion and sun gear
Crown wheel and sun gear
Bevel pinion and Crown wheel
5. Transfer case is used for :
Rear wheel drive vehicles
Front wheel drive vehicles
Four wheel drive vehicles
Two wheel drive vehicles
6. The driven member of torque converter is known as :
Turbine
Stator
Impeller
Flywheel
7. Double declutching is used on :
Sliding mesh gear box
Synchromesh gear box
Constant gear box
Epicyclic gear box
8. In a differential action which gear does not revolve in a straight drive ?
Sun gear
Planetary gear
Crown wheel
Pinion
9. The function of a gear box is to :
Increase speed
Increase torque
Provide neutral
All of the above
10. Which type of gear permit lower position of proppeller shaft?
Herringbone
Hypoid
Bevel
Spiral
11. The head light of a vehicleis connected wit a battery in :
Parellel
Series
Compound
Either (a) or (b)
12. The state of charge of battery is checked by :
Cell tester
Hydrometer
Multimeter
All of the above
13. If three resistance 6 ohm, 4 ohm and 3 ohm are connected in parallel, what will be the total resistance ?
13 ohm
1.3 ohm
6.5 ohm
26 ohm
14. Which one of the shell around the nucleus of an attom is mentioned by the letter EM ?
First
second
Third
Fourth
15. One reason why an alternator produces a higher output than a dynamo is because,the alternator :
Is driven fast
Has a commutator
Generates direct current
Always use a negative earth
16. The output of an alternator is converted by :
Voltage regulator
Current regulator
Diod rectifier
Cut out relay
17. Inertia type starting motor drive is commonly used on :
Cars
Heavy vehicles
Commercial vehicles
None of the above
18. The cable colour code of a head lamp circuit is :
Red
Brown
Green
Blue
19. A semiconductor material have ,how mutch electrons in its outermost orbit ?
Two
Four
One
Three
20. The central section of a transistor is called ?
Emitter
Base
Collector
Hole
21. If air fuel mixture is compressed in a cylinder :
Its volume reduces
Its pressure will rise
Its temperature will
All of the above
22. An engine has aclearance volume of 100 cm3 and a swept volume of 900cm3. The compression ratio is :
10 : 1
8 :1
11 : 1
9 : 1
23. Speed of a four stroke engine is 1000 rpm.The number of power strokes per minute will be :
4000
500
400
1000
24. During which one of the following strokes,the pressure in the engine cylinder become less than the atmospheric pressure?
Suction
Compression
Power
Exhaust
25. Diesel cycle engine are also known as :
Constant volume cycle engine
Constant vaccum cycle engine
Constant pressure cycle engine
Dual cycle engines
26. 1 Kilowatt is equal to :
746 HP
4500 HP
1.3596 HP
735.5 HP
27. Engine BHP is measured by :
Barometer
Hydrometer
Odometer
Dynamometer
28. Turbo charger is used for diesel engines to increase :
Mechanical efficiency
Volumetric efficiency
Thermal Efficiency
All of the above
29. During the upward stroke of a two stroke petrol engine ,which of the following events takes place ?
Compression and suction
Compression and exhaust
Compression and power
Compression and transfer
30. In the following statements, which is suitable for a petrol engine
High initial cost
High maintenance cost
High runnig cost
All of the above
31. A four cylinder four strock :petrol engine have :
Two Valves
Four Valves
Eight Valves
Sixteen Valves
32. The purpose of piston ring is to control :
Compression pressure
Oil consumption
Cylinder wall lubrication
All of the above
33. The engine valves are closed by :
Cam shaft
Valve spring
Rocker arm
Push road
34. The function of lubrication system is to :
Provide cooling effect
Provide sealing effect
Reduce wear
All of the above
35. Which one of the following pump is not used for engine lubrication ?
Gear type
Vane type
Impeller type
Plunger type
36. Feed pumps in diesel engines are generally mounted in between :
Tank and filter
FIP and Filter
FIP and Injector
Injector and manifold
37. Hand priming device in a diesel engine is usefull,when the engine is at :
Full load
Rest
Idling speed
Full speed
38. In a positive crank case ventilation system,the blow by gas drawn from the crank is fed to the :
Combustion chamber
Inlet manifold
Exhaust manifold
A vent opened to the atmosphere
39. The total swept volume in all cylinders of an engine is called :
Volumetric efficiency
Overall efficiency
Compression ratio
Cubic capacity
40. The material used for cam shaft is :
Alloy steel
High carbon steel
Cast iron
Mild steel
41. Advancing of valve opening is called :
Valve overlap
Valve lag
Valve lead
Valve Delay
42. Octane number of petrol is generally ranges from :
8090
4060
6070
100110
43. Loud popping in carburetor is due to :
Incorrect air fuel ratio
Blocked air cleaner
Back firing
Loose mounting of carburetor
44. In which of the following engine have more thermal efficiency?
Petrol
Diesel
Gas
Electric
45. From where ,the air and fuel is mixed in a petrol engine?
Inletmanifold
Combustion chamber
Air cleaner
Carburetor
46. The process of adjusting the quantity of fuel delivered by the fuel injection pump is :
Phasing
Calibration
Timing
Bleeding
47. The type of carburetor used in two wheeler vehicle is :
SU
Solex
Carter
Zenith
48. Air cleaner is used for :
Cleaning the incoming air for combustion
Reducing the noise of incoming air
To arrest the flame during engine back fire
All of the above
49. The function of ignition coil is :
To make and break the primary circuit
To step down the battery voltage
To step up the battery voltage
All of the above
50. Spark plug gap ranges from :
5 mm 10mm
0.5 mm 1 mm
1 mm 5mm
0.5 mm 3.5 mm
51. MPFI engines have MAP sensor.What is mean by MAP ?
Main Fold Absolute Pressure
Maximum Air Pressure
Mainfold Air Pressure
Mean Atmospheric Pressure
52. Turbocharger is worked by the :
Engine crank shaft
Battery
Exhaust gas
Incoming air
53. Which one of the following is a pollutant substance contained in the engine exhaust gas?
Hydrocarbon
Carbon Monoxide
Oxides of Nitrogen
All of the above
54. EGR system stands for :
Exhaust Gas Recovery System
Exhaust Gas Removing System
Exhaust Gas Recirculation System
Exhaust Gas Reducing System
55. ABS system controls :
Speed of vehicle
Break Efficiency
Skidding
All of the above
56. Multiple valve technology means :
Enlarging the size of valves
Providing more number of valves
Improving the quality of valves
Increasing the speed of valve operation 8
57. Catalytic converter have a coating of :
Platinum
Palladium
Rodium
All of the above
58. Duration of the vehicle permit is :
5 years
3 Years
1 Year
20 Years
59. Which one of the following traffic sign is strictly copulsary for a driver :
Mandatory signs
Informatory signs
Cautionary signs
All of the above
60. A driver must stop the vehicle when :
Required to do by any police officer
Involved in an accident
Any pedestrian crossing the zeebra line
All the above circumstances
61. A Preamble of Indian Constitution is based on the Objectives Resolution drafted by ________ and introduced in the first session of Constituent Assembly.
K.M. Munshi
B.R. Ambedkar
Jawaharlal Nehru
Sarojini Naidu
62. India adopted the concept of constitutional Amendment from _______
South Africa
Great Britain
Ireland
U.S.A.
63. Who acted as representative of President in Union territories?
Attorney General
Control and Auditor General
Vice- President
Lieutenant-Governor
64. The Eighth schedule of Indian constitution deals with _________.
Land reforms
Languages
Panchayathiraj
Emergency
65. Who among the following was a member of Indian constituent assembly formed in 1946?
Susheela Gopalan
Annie Mascreen
Lakshmi N. Menon
A.V. Kuttymalu Amma
66. Who was the head of the commission appointed in 1983 to examine centre - state relations?
Rajinder Singh Sarkaria
Balvanth Rai Mehta
Dinesh Goswami
Motilal Vora
67. Which day is celebrated as World Blood Donation Day ?
January 16
June 14
October 21
November 8
68. Political parties were brought under Right to information Act in the year:
2012
2013
2014
2015
69. India's first fast tract court for dealing with atrocities against women and children is at :
Malda
Patna
Pune
Kochi
70. Wild life protection act was passed in the year ____________.
1963
1970
1972
1980
71. The English news paper 'Pro- India' was started by ________________?
Chettoor Sankaran Nair
Chembakaraman Pillai
Nilaknda Brahmachari
V.O. Chithambaram pillai
72. Who founded Ramakrishna Advita Ashram at Kalady
Swami Agamananda
Bhrahmananda Swami Sivayogi
Vaikunda swamikal
Vagbhadananda
73. The newspaper 'Kerala Kaumudhi' was started by _______________ to further the ideals of Sree Narayan Guru:
K. Ayyappan
T.K. Madavan
Krishnaswami Aiyer
C.V. Kunjuraman
74. The title 'Vayalar Stalin' is associated with:
C.K. Kumara Panikkar
R. Shankar
A.P. Udayabhanu
T.M. Varghese
75. Who was the owner of drama 'Pattabakki'?
C.V. Raman Pillai
K. Damodaran
M.P. Bhattathirippadu
E.V. Krishnapillai
76. Who among the following was nominated to Cochin legislative assembly to advice about the Namboodiri Bil?
Parvathi Nenmeni Mangalam
Arya Pallam
Eshwari Ammal
Kaumudi Teacher
77. Who is known as the fathe r of malayalam typography and printing ?
Herman Gundert
Benjamin Bailey
Devj Bhimji
Kandathil Varghese Mappila
78. Who is the author of the work 'Pracheenamalyalam'?
Ayyankali
C. Krishnan
Poikai Yohannan
Chatambi Swamikal
79. At Sreenarayan Guru Consecrated a temple and installed a stone containing tha words " Truth, Duty , Kindness and Peace".
Kalavankode
Aruvippuram
Murakumpuza
Karamukku
80. Who was the main leader of the Suchindram Sathyagraha?
A.K Gopalan
Dr. M.E. Naidu
K. Kelappan
C. Rajagopalachari
81. Which one of the following is an indirect measuring tool?
Iside caliper
Vernier caliper
Bevel Protractor
Inside micrometer
82. In a metric micrometer , a complete revolution of thimble advances :
0.01 mm
0.25 mm
0.50 mm
1.00 mm
83. The angle less than 90 degree is called :
Obtuse angle
Acute angle
Right angle
None of the above
84. Which one of the following designation does not denote the grade of a file ?
Bastard
First cut
Second cut
Smooth
85. The tool used for refitting piston rings on piston is :
Piston ring expander
Piston ring compressor
Circlip piler
Valve spring compressor
86. In which nut having an internal groove cut,in which a fibre or nylon ring inserted ?
Thumb nut
Castle nut
Cape nut
Simmonds lock nut
87. The tools used to measure the clearance between two surfaces is called :
Fillet gauge
Snap gauge
Feeler gauge
Limit gauge
88. Tap wrenchis a tool used to make :
Key ways
Oil holes
External threads
Internal threads
89. A metal can be drawn in to wires without ruputure.This property of metal is known as :
Malleability
Ductility
Machinability
Toughness
90. The angle which is less than 90 degree is called as :
Obtuse angle
Acute angle
Right angle
None of the above
91. Wear on one side of tyre is due to ;
Excessive camber
Excessive caster
Under inflation
Over inflation
92. King pin is locked in the beam by a :
Stub axle
Cotter pin
Drop arm
Split pin
93. Tie rod ends have the following threads :
Left thread
Right hand
Either (a) or (b)
Both (a) and (b)
94. Which one of the following is not considered for calculating the unsprung weight?
Streering knuckle
Brakes
Axles
Chassis frame
95. In an integral power steering system,fluid flow is controlled by :
Plunger
Check valve
Spool valve
Hydraulic pump
96. Which one of the following is not a part of master cylinder ?
Piston
Push rod
Check valve
Piston rings
97. In air breakes ,what is the position of valves in break valve,when break pedal is Released?
Both Inlet and Outlet closed
Inlet closed and outlet opened
Inlet opened and outlet closed
Both inlet and outlet remains closed
98. The procedure of removing air out of the breaking system is known as :
Brake adjusting
Brake dragging
Brake bleeding
Brake compensating
99. Hydraulic brakes works on the principle of :
Pascal's law
Boyel's law
Charl's law
Newton's law
100. The rocking chair action of vehicle during running is known as :
Rolling
Pitching
Bouncing
Wobbling