JUNIOR INSTRUCTOR MECHANIC MOTOR VEHICLE

PROVISIONAL ANSWER KEY
Question Paper Code: 40/2017/OL
Category Code: 240/2016
Exam: Junior Instructor mechanic Motor Vehicle
Medium of Question: English
Date of Test 19-05-2017
Department Industrial Training
Alphacode A
Question1:-The first mass movement started by Gandhiji in India
A:-Quit India
B:-Non-co-operation
C:-Satyagraha
D:-Civil Disobedience
Correct Answer:- Option-B
Question2:-The Tebhaya movement started in
A:-Bengal
B:-Andrapradesh
C:-Bombay
D:-Gujarat
Correct Answer:- Option-A
Question3:-The leader of Abbinav Bharat Society
A:-Lala Hardayal
B:-Surya Sen
C:-Pulin Bihari Das
D:-V.D. Savarkar
Correct Answer:- Option-D
Question4:-The first person to hoist Indian tricolour flag in an international flat forum
A:-Subash Chandra Bose
B:-Jawaharlal Nehru
C:-Madame Bhikaji Cama
D:-C.R. Das
Correct Answer:- Option-C
Question5:-The leader of 1857 revolt at Kanpur
A:-Nana Saheb
B:-Bahadur Shah II
C:-Beegum Hazret Mahal
D:-Maulavi Ahammedullah
Correct Answer:- Option-A
Question6:-The roof of the world
A:-Himalaya
B:-Hindukush
C:-Karakoram
D:-Pamir Plateau
Correct Answer:- Option-D
Question7:-The longest Peninsular river
A:-Mahanadi
B:-Godavari
C:-Narmada
D:-Kaveri
Correct Answer:- Option-B
Question8:-The Southernmost point of Peninsular India
A:-Kanyakumari
B:-Tamilnadu
C:-Indirapoint
D:-Srilanka
Correct Answer:- Option-C
Question9:-The most important tax imposed by the central government
A:-Land tax
B:-Personal Income tax
C:-Professional tax
D:-Value Added tax
Correct Answer:- Option-B
Question10:-The proclamation of Free Primary Education in 1817 issued
A:-Rani Lakshmi Bhai
B:-Rani Sethu Bhai
C:-Rani Gowri Parvathy Bhai
D:-Rani Gowri Lakshmi Bhai
Correct Answer:- Option-C
Question11:-The father of Kerala Renaissance
A:-Mannathu Padmanabhan
B:-Ayyankali
C:-Sri Narayana Guru
D:-Chattambi Swamikal
Correct Answer:- Option-C
Question12:-Samathwasamajam was started by
A:-Sahodharan Ayyappan
B:-Kumara Gurudevan
C:-Vaikunda Swamikal
D:-V.T. Bhattathiripad
Correct Answer:- Option-C
Question13:-The Temple Entry Proclamation was announced on
A:-12 November 1936
B:-1 November 1936
C:-12 January 1936
D:-1 January 1936
Correct Answer:- Option-A
Question14:-Ayyankali was called Pulaya Raja by
A:-B.R. Ambedkar
B:-Gandhiji
C:-K. Kelappan
D:-Pandit K.P. Karuppan
Correct Answer:- Option-B
Question15:-Founder of Aryasanujan in Kerala
A:-Kumara Gurudevan
B:-Vagbhatananda
C:-Vakkam Abdulkhadar Maulavi
D:-Pandit K.P. Karuppan
Correct Answer:- Option-D
Question16:-The winner of Australian Open Tennis 2016
A:-Roger Federer
B:-Rafael Nadal
C:-Stan Wawrinka
D:-Andymurray
Correct Answer:- Option-A
Question17:-R.B.I. Governor of India
A:-Raguram Rajan
B:-Pranav Mukherji
C:-Venkita Ramanan
D:-Urjit Patel
Correct Answer:- Option-D
Question18:-The Jnanpith Award of 2016
A:-Shankha ghosh
B:-Reghuver Chaudhari
C:-Balachandra Nemade
D:-Namwarsingh
Correct Answer:- Option-A
Question19:-First women leader of S.B.I
A:-Arunima Singha
B:-Arundhadhi Bhattachariya
C:-Aruna Bhahuguna
D:-Usha Anantha Subramaniyam
Correct Answer:- Option-B
Question20:-The Chief Minister of Andrapradesh
A:-Chandra Sekhar Reddy
B:-Sidha Ramayya
C:-Aravid Kejariwal
D:-Chandra Babu Naidu
Correct Answer:- Option-D
Question21:-The component used to overcome viscous drag in the multi plate wet clutch
A:-Solenoid
B:-Hydraulic pump
C:-Clutch brake
D:-Disc valve
Correct Answer:- Option-C
Question22:-Arrangement of the chassis in which provide maximum utilization of space
A:-Full-forward control chassis
B:-Semi-forward control chassis
C:-Conventional control chassis
D:-None of these
Correct Answer:- Option-A
Question23:-To accommodate any misalignment between the engine or transmission relative to frame or body with the help
of
A:-Brackets
B:-Side member
C:-Sub frame
D:-Rubber blocks
Correct Answer:- Option-D
Question24:-In a rear axle drive vehicle, torque reaction and braking torque are transmitted from the axle casing to the
frame by means of
A:-Pan hard rod
B:-Leaf spring
C:-Torsion bar
D:-Stabilizer bar
Correct Answer:- Option-B
Question25:-Hazard flashers are used to indicate
A:-A slow moving vehicle in high speed lane
B:-A disabled vehicle in high speed lane
C:-A vehicle stopped in moving traffic
D:-All of these
Correct Answer:- Option-D
Question26:-Which type of brake chamber is provided with fail safe parking brake?
A:-Spring brake chamber
B:-Single diaphragm brake chamber
C:-Double diaphragm brake chamber
D:-Triple diaphragm brake chamber
Correct Answer:- Option-A
Question27:-The propellant unit of air bag consists of
A:-Potassium chloride and silver nitrate
B:-Potassium chloride and sodium azide
C:-Potassium nitrate and sodium azide
D:-Potassium nitrate and sodium chloride
Correct Answer:- Option-C
Question28:-Which of the following is controls fuel surge in fuel tank on vehicle movement?
A:-Ribs
B:-Baffles
C:-Brackets
D:-Belts
Correct Answer:- Option-B
Question29:-Excess fuel pressure in a CRDI engine system is protected with a
A:-ECU
B:-Rail pressure sensor
C:-Pressure limiter valve
D:-Flow limiter
Correct Answer:- Option-C
Question30:-The function of an air cleaner
A:-Act as silencer
B:-Act as flame arrester
C:-Filtering intake air
D:-All of these
Correct Answer:- Option-D
Question31:-What are the basic factors affect the gear selection?
A:-Vehicle load and engine speed
B:-Vehicle speed and engine load
C:-Vehicle load and road condition
D:-Engine speed and road condition
Correct Answer:- Option-B
Question32:-The cavitations formed inside the torque converter centre is the result of
A:-Low oil pressure
B:-Less engine RPM
C:-Less torque conversion
D:-None of these
Correct Answer:- Option-A
Question33:-The plunging type constant velocity joint is employed at the ________ end of the drive shaft.
A:-Wheel end
B:-Differential end
C:-Both (1) and (2)
D:-Main shaft end
Correct Answer:- Option-B
Question34:-Which of the following is not a reason for humming noise from the rear axle?
A:-Worn out differential bearings
B:-Backlash between crown and pinion
C:-Worn out gears
D:-Worn out axle shaft splines
Correct Answer:- Option-D
Question35:-The material used to improve the resistance to wear of rubber threads in a tire is
A:-Nylon
B:-Rayon
C:-Carbon black
D:-Terylene
Correct Answer:- Option-C
Question36:-Which part of a master cylinder serves to retain the residual pressure in the brake lines even when the brakes
are released?
A:-Check valve
B:-Piston
C:-Piston return spring
D:-Primary cup
Correct Answer:- Option-A
Question37:-Lamda sensors are located at
A:-Exhaust manifold
B:-Inlet manifold
C:-Throttle body
D:-Timing cover
Correct Answer:- Option-A
Question38:-Sedimentation type fuel filters are generally used as
A:-Baby filter
B:-Secondary filter
C:-Primary filter
D:-All of these
Correct Answer:- Option-C
Question39:-Which one of the following is a cylinder head gasket material?
A:-Felcoprene
B:-Felcoid
C:-Cord
D:-Shimbestose
Correct Answer:- Option-D
Question40:-The ability of engine bearings to accommodates small variation in shaft is its
A:-Embadability
B:-Conformability
C:-Adaptability
D:-Fatigue strength
Correct Answer:- Option-B
Question41:-The device fitted on diesel engine to develop vacuum to assist the pneumatic governor of FIP
A:-Compressor
B:-Inter cooler
C:-Exhauster
D:-Super charger
Correct Answer:- Option-C
Question42:-Number of pole fingers in an alternator rotor
A:-8
B:-12
C:-14
D:-16
Correct Answer:- Option-B
Question43:-Which of the following is a solid lubricant?
A:-Graphite
B:-lead
C:-Tin
D:-Aluminium
Correct Answer:- Option-A
Question44:-The clearance between the oil pump gear teethes are measured with
A:-Dial gauge
B:-Vernier caliper
C:-Inside micro meter
D:-Feeler guage
Correct Answer:- Option-D
Question45:-Which one of the following is not affected the fuel economy of an engine?
A:-Clogged air filter
B:-Clogged fuel filter
C:-Leaky engine valves
D:-Worn out piston rings
Correct Answer:- Option-B
Question46:-Find the probable cause of wheel tramp
A:-High speed
B:-Under inflation
C:-Incorrect toe-in
D:-Dynamic unbalance
Correct Answer:- Option-D
Question47:-A vehicle with torsion bar suspension required ________ to take the driving and braking thrust.
A:-Stabilizer bar
B:-Pan hard rod
C:-Radius rod
D:-Torque tube
Correct Answer:- Option-C
Question48:-Which of the under mentioned fault can be change the steering axis inclination?
A:-Bent wheel spindle
B:-Worn out knuckle bearings
C:-Bent track rod
D:-Tight wheel bearing
Correct Answer:- Option-A
Question49:-The effect of side wind over the frame side member is its
A:-Lateral bending
B:-Horizontal bending
C:-Vertical bending
D:-All of these
Correct Answer:- Option-A
Question50:-Belleville springs are generally known as
A:-Torsion springs
B:-Coil springs
C:-Helical springs
D:-Diaphragm springs
Correct Answer:- Option-D
Question51:-Which of the following gear boxes have lesser mechanical efficiency?
A:-Synchromesh
B:-Constant mesh
C:-Sliding mesh
D:-All of these
Correct Answer:- Option-C
Question52:-Alloy steels are generally quenched in
A:-Water
B:-Oil
C:-Brine
D:-Ice
Correct Answer:- Option-B
Question53:-The fastener used to transmitting torque from a rotating shaft to a hub or vize versa
A:-Circlip
B:-Locking ring
C:-Tab washer
D:-Key
Correct Answer:- Option-D
Question54:-Adjustment of FIP in which ensure equal time interval of fuel delivery to all engine cylinders
A:-Leak off
B:-Calibration
C:-Phasing
D:-Chattering
Correct Answer:- Option-C
Question55:-The process of continues releasing and applying of brake in an ABS is called
A:-Pressure modulation
B:-Pulse modulation
C:-Speed modulation
D:-None of these
Correct Answer:- Option-A
Question56:-Maximum boost pressure of a turbocharger is controlled by a
A:-EGR valve
B:-Waste gate
C:-Blow-off valve
D:-Pressure release valve
Correct Answer:- Option-B
Question57:-Annulus in an epicycle gear box is usually known as
A:-Ring gear
B:-Carrier
C:-Planet
D:-Sun gear
Correct Answer:- Option-A
Question58:-The length variation between leaf spring eyes by the oscillation of leaves are accommodate with the help of
A:-Centre bolt
B:-Shackle
C:-‘U’ Clamp
D:-Bracket
Correct Answer:- Option-B
Question59:-Which among the following is a disadvantages of hypoid gear using in final drive?
A:-Low chassis height
B:-Smaller pitch overlap
C:-Rough running
D:-Less ground clearance
Correct Answer:- Option-D
Question60:-The steering sensor in an electronic power steering system consist of
A:-Torque and pressure sensor
B:-Torque and speed sensor
C:-Torque and rotation sensor
D:-Speed and rotation sensor
Correct Answer:- Option-C
Question61:-The percentage ratio between difference of vehicle speed and wheel speed to the vehicle speed is
A:-Velocity ratio
B:-Speed ratio
C:-Slip ratio
D:-Aspect ratio
Correct Answer:- Option-C
Question62:-In a disc brake caliper, the component act as a return spring to retract the piston
A:-Bleed screw
B:-Rubber sealing ring
C:-Disc
D:-Friction pads
Correct Answer:- Option-B
Question63:-Identify the horn relay with its marking
A:-HBR
B:-HRS
C:-BRS
D:-HBS
Correct Answer:- Option-D
Question64:-Location of an expansion valve in an automotive air conditioning is at
A:-Inlet side of evaporator
B:-Outlet side of evaporator
C:-Inside the evaporator
D:-Inlet side of condenser
Correct Answer:- Option-A
Question65:-The socket in which provided with a universal joint
A:-Deep
B:-Flex
C:-Standard
D:-None of these
Correct Answer:- Option-B
Question66:-The catalyst used for first stage conversion in a three – way convertor
A:-Vanadium
B:-Cerium
C:-Platinum
D:-Rhodium
Correct Answer:- Option-D
Question67:-Combustion knock in a CI engine is generally known as
A:-Diesel knock
B:-Diesel lock
C:-Both (1) and (2)
D:-Detonation
Correct Answer:- Option-A
Question68:-Which of the following are provided to the crank shaft to the balancing of main journals?
A:-Crank arm
B:-Harmonic balancer
C:-Crank weight
D:-Crank pulley
Correct Answer:- Option-C
Question69:-Permissible range of particulate matters in the exhaust gas of a petrol engine as per Euro 4 emission standard
is
A:-0.14 gm/Km
B:-0.08 gm/Km
C:-0.05 gm/Km
D:-None of these
Correct Answer:- Option-D
Question70:-Oil additives which handle high temperature deposit such as gums and varnishes
A:-Dispersant
B:-Detergent
C:-Anti-scuff additives
D:-Anti foaming additives
Correct Answer:- Option-B
Question71:-In an alternator, the carbon brushes ride on the
A:-Commutator
B:-Rotor shaft
C:-Slip ring
D:-Field windings
Correct Answer:- Option-C
Question72:-Choose correct drive transmission from engine to gear box
A:-Fly wheel – cover – drive plate – driven plate
B:-Fly wheel – cover – driven plate – drive plate
C:-Fly wheel – driven plate – drive plate – cover
D:-Fly wheel – drive plate – driven plate – cover
Correct Answer:- Option-A
Question73:-As related to the automatic transmission, the friction loss in the manual transmission is
A:-Less
B:-Same
C:-More
D:-Much more
Correct Answer:- Option-A
Question74:-Separate carrier type rear axle casing is generally known as
A:-Split type
B:-Salisbury type
C:-Banjo type
D:-Integral carrier type
Correct Answer:- Option-C
Question75:-Which among the following springs have the greater energy storing capacity?
A:-Coil spring
B:-Torsion spring
C:-Leaf spring
D:-Rubber spring
Correct Answer:- Option-D
Question76:-The shock absorber dissolve can be reduced by pressurizing the fluid with ________ gas.
A:-Hydrogen
B:-Nitrogen
C:-Oxygen
D:-Carbon dioxide
Correct Answer:- Option-B
Question77:-In the code 145 SR-13 of a radial tire, 13 denominate
A:-Tire width
B:-Aspect ratio
C:-Inner diameter of tire
D:-Load carrying capacity
Correct Answer:- Option-C
Question78:-Which light provide a better night time visibility?
A:-Halogen
B:-LED
C:-Both (1) and (2)
D:-Xenon
Correct Answer:- Option-D
Question79:-The magnitude of slip angle is small at
A:-Low speed
B:-Medium speed
C:-High speed
D:-Very high speed
Correct Answer:- Option-A
Question80:-In SI engine, which one of the following combustion chamber have centrally located spark plug?
A:-Flat head
B:-Hemispherical
C:-Wedge type
D:-Inverted bath tub
Correct Answer:- Option-B
Question81:-To improve the resistance to wear and corrosion, cylinder liners are plated with
A:-Platinum
B:-Vanadium
C:-Zinc
D:-Chromium
Correct Answer:- Option-D
Question82:-Which one of the following is not an advantage of toothed belt drive?
A:-Silent drive
B:-Lowest cost
C:-Long life
D:-No need of lubrication
Correct Answer:- Option-C
Question83:-Tendency of fuel to change from liquid to vapour form is called
A:-Pour point
B:-Volatility
C:-Viscosity
D:-Flash point
Correct Answer:- Option-B
Question84:-Cold plugs are generally used in
A:-High speed heavy duty engines
B:-Low speed heavy duty engines
C:-Low speed medium duty engines
D:-Both (2) and (3)
Correct Answer:- Option-A
Question85:-Which one of the given carburetor is a constant vacuum type?
A:-Carter carburetor
B:-S.U. carburetor
C:-Zenith carburetor
D:-Solex carburetor
Correct Answer:- Option-B
Question86:-What are the advantages of dual mass fly wheel over a single fly wheel?
A:-Less synchronization wear
B:-Gear shifting easy
C:-Reducing neutral gear rattle
D:-All of these
Correct Answer:- Option-D
Question87:-More injection delay period will lead to
A:-Diesel knock
B:-Detonation
C:-Both (1) and (2)
D:-Controlled combustion
Correct Answer:- Option-A
Question88:-Which one of the following is not a part of cover assembly in a clutch?
A:-Pressure plate
B:-Release lever
C:-Release bearing
D:-Springs
Correct Answer:- Option-C
Question89:-Free wheel unit in the transmission are provided with dog clutch to
A:-Lock free wheel
B:-Engage free wheel
C:-Disengage free wheel
D:-None of these
Correct Answer:- Option-A
Question90:-Critical whirling speed of a propeller shaft can be increased by
A:-Decreasing diameter
B:-Increasing length
C:-Both (1) and (2)
D:-Decreasing length
Correct Answer:- Option-D
Question91:-Which member of a torque converter is also known as reactor?
A:-Lock up clutch
B:-Stator
C:-Impeller
D:-Turbine
Correct Answer:- Option-B
Question92:-Front wheel drive cars are usually employed with ________ type independent suspension to provide maximum
room in the engine compartment.
A:-Vertical guide
B:-Trailing link
C:-Mac Pherson strut
D:-Wish bone
Correct Answer:- Option-C
Question93:-The effect of positive scrub radius on the road wheels are
A:-Toe-in
B:-Toe-out
C:-Pull to one side
D:-Wobble
Correct Answer:- Option-B
Question94:-Glow plugs are fitted an engine with
A:-Pre combustion chamber
B:-Turbulent chamber
C:-Both (1) and (2)
D:-Open combustion chamber
Correct Answer:- Option-A
Question95:-The main disadvantage of lower aspect ratio
A:-More tire wear
B:-Less cornering power
C:-High speed shimmy
D:-Uncomfortable ride
Correct Answer:- Option-D
Question96:-Contact breaker point of a 6 cylinder 4 stroke engine operating at 3000 RPM will make and break for _______
times in a minute.
A:-3000
B:-6000
C:-9000
D:-12000
Correct Answer:- Option-C
Question97:-One bar is equal to
A:-10 Kpa
B:-100 Kpa
C:-1000 Kpa
D:-10000 Kpa
Correct Answer:- Option-B
Question98:-Piston rings and cylinder liners are
A:-Die casted
B:-Hollow casted
C:-Sand casted
D:-Centrifugal casted
Correct Answer:- Option-D
Question99:-Gear mechanism in a slack adjuster
A:-Worm and wheel
B:-Worm and nut
C:-Worm and roller
D:-Rack and pinion
Correct Answer:- Option-A
Question100:-The types of lubrication in which scavenging pump required
A:-Splash system
B:-Pressure system
C:-Dry sump system
D:-Petrol system
Correct Answer:- Option-C