LABORATORY TECHNICAL ASSISTANT-MAINTANENCE AND REPAIRS OF AUTOMOBILES,VHSE
EXAM DATE:20-10-2015
1.In which of the following lubrication system lubricant oil is mixed with fuel?
A.Splash system
B.Pressure system
C.Dry sump
D.Petrol system*
Ans:D
2.Which is the following number is used to indicate ignition quality of diesel fuel?
A.Cetane*
B.Octane
C.Random
D.None of these
Ans:A
3.Which of the following is used in fuel tank to reduce surging of fuel on account of sudden brake or cornering?
A.Muffler
B.Baffle plate*
C.Drain plug
D.Rocker arm
Ans:B
4.An electrical fuel pump operates but delivers insufficient fuel.This may be due to:
A.Chocked pump filters
B.Worn out valves
C.Damaged diaphragm
D.All of the above*
Ans:D
5.The device which used to maintain speed at varying load condition:
A.Vacuum advance
B.Centrifugal advance
C.Electric advance*
D.None of these
Ans:C
6.
7.A lead acid battery is an automobile used the acid:
A.Sulphuric acid*
B.Hydrochloric acid
C.Nitric acid
D.Phosphoric acid
Ans:A
8.A four wheeler normally uses battery of:
A.10 volt
B.12 volt*
C.20 volt
D.1.5 volt
Ans:B
9.The test used to know the chemical condition of positive and negative plate is:
A.Specific gravity test
B.Open volt test
C.High discharge test
D.Cadmium test*
Ans:D
10.The clutch does not require clamping spring and release lever:
A.Cone clutch
B.Single plate clutch
C.Diaphragm clutch*
D.Multiplate clutch
Ans:C
11.Reason for clutch drag or spin is:
A.Excessive free pedal play
B.Damaged pressure plate
C.Cracked clutch plate
D.All of the above*
Ans:D
12.The clutch is located between the gear box and the :
A.Engine*
B.Rear axle
C.Propeller shaft
D.Differential
Ans:A
13.Which of the following gear box used double de clutching process?
A.Synchromesh gear box
B.Sliding mesh
C.Constant mesh*
D.All of the above
Ans:C
14.Increase of torque in a vehicle is obtained by:
A.Increasing speed
B.Decreasing speed*
C.Increasing Power
D.All of the above
Ans:B
15.Speed of the driving gear(A)1500 rpm,speed of the driven gear(B)mesh wth A is 3000 rpm.What is gear ratio?
A.0*
B.0.5
C.1.5
D.4500
Ans:A
16.The type of gear box used in automatic transmission is:
A.Epicyclic gear box*
B.Constant mesh gear box
C.Sliding mesh
D.Synchromesh gear box
Ans:A
17.When the car is taking a turn the outer wheel have to travel greater distance compared to the inner wheel in the same time,the device used to adjust this is:
A.Propeller shaft
B.Slip joint
C.Differential*
D.Transfer case
Ans:C
18.The rear axles shaft supporting in which the axle shaft can be taken out or replaced without jacking up the vehicle is:
A.Semi floating axle
B.Full floating axle*
C.Three quarter axle
D.None of these
Ans:B
19.The suspension movement in which vehicle moves perpendicular the road is:
A.Bouncing*
B.Rolling
C.Pitching
D.None of these
Ans:A
20.The independent suspension system which uses only lower wishbone:
A.Wishbone type
B.Mac person strut*
C.Vertical guide
D.Single strut
Ans:B
21.Which of the following suspension system uses compressors?
A.Rigid axle
B.Independent
C.Vertical guide
D.Air suspension*
Ans:D
22.Which of the following spring used in rigid axle suspension?
A.Coil spring
B.Leaf spring*
C.Air spring
D.Torsion spring
Ans:B
23.The tilt of the vehicle wheels from the vertical:
A.Camber*
B.Castor
C.Kingpin inclination
D.Combined angle
Ans:A
24.The ratio between side force sustained to the slip angle is:
A.Cornering power*
B.Slip ratio
C.Side ratio
D.Steering ratio
Ans:A
25.The ratio of tyre section height to the tyre section width:
A.Ply rate
B.Aspect ratio*
C.Tyre ratio
D.None of these
Ans:B
26.The process of filling air in tyre is:
A.Inflation*
B.Deflation
C.Cracking
D.None of these
Ans:A
27.The type of wheel which cannot be used with a tubeless tyre:
A.Disc wheel
B.Alloy wheel
C.Wire wheel*
D.None of these
Ans:C
28.The heart of the hydraulic brake system is:
A.Whell cylinder
B.Master cylinder*
C.Adjuster
D.Brake pedal
Ans:B
29.The process of removing air from hydraulic system is:
A.Brake adjustment
B.Brake bleeding *
C.Wheel alignment
D.Brake alignment
Ans:B
30.Which of the following brake cannot stop the vehicle like a service brake?
A.Engine exhaust brake*
B.Air brake
C.Bendix hydromax brake
D.Disc brake
Ans:A
31.Full form of ABS which is used in vehicle is:
A.Absolute Braking System
B.Always Better Service
C.Anti-lock Braking System*
D.None of these
Ans:C
32.The instrument which shows the distance travelled by the vehicle is:
A.Speedometer
B.Tachometer
C.Odometer*
D.Lactometer
Ans:C
33.Air bag used in a car is :
A.Storage of air
B.Storage of oxygen
C.For protection of passenger*
D.For air brake
Ans:C
34.The tool used to finish a previously drilled hole is:
A.Grinder
B.Reamer*
C.Tap and die
D.Tube cutter
Ans:B
35.Which of the following is an external combustion engine?
A.Petrol engine
B.Diesel engine
C.Steam engine*
D.Gas engine
Ans:C
36.The process of removing exhaust gas from the engine cylinder is:
A.Scavenging*
B.Compression
C.Engine Slap
D.Scuffing
Ans:A
37.Mechanical efficiency of an engine is:
A.IHP/BHP
B.BHP/IHP*
C.BHP/FHP
D.FHP/BHP
Ans:B
38.The sound produced due to the excess clearance between piston and cylinder during cold starting:
A.Knocking
B.Piston slap*
C.Humming
D.Piston scuffing
Ans:B
39.The distance between center line of crankpin and main journal axis is:
A.Crank throw*
B.Valve clearance
C.Eccentricity
D.Normal clearance
Ans:A
40.Which of the following valve is used in automobile engine?
A.Poppet valve*
B.Rotary valve
C.Sleeve valve
D.None of these
Ans:A
41.The ratio of RP M of crankshaft to the RPM of camshaft is:
A.1
B.2*
C.0.5
D.3
Ans:B
42.Which of the following is used to measure level of lubricating oil in the oil sump:
A.Oil pressure gauge
B.Dipstick*
C.Warning light
D.Timing light
Ans:B
43.The amount of heat energy produced during complete combustion of 1 kg of fuel is termed as:
A.Knocking rate
B.Specific heat
C.Calorific value*
D.Sensible heat
Ans:C
44.Multi Point Fuel injection(MPFI)is used in:
A.Diesel engine
B.Petrol engine*
C.Steam engine
D.None of these
Ans:B
45.The amount of voltage required to produce spark in SI engine is termed as:
A.Medium voltage
B.Brake down voltage*
C.Standard voltage
D.Threshold voltage
Ans:B
46.To reduce emission of unburned hydrocarbon in the automobile exhaust gas combustion chamber is designed as:
A.Spherical
B.Hemispherical*
C.Conical
D.Cubical
Ans:B
47.The colour of positive plate in Lead acid batter is:
A.Chocolate brown*
B.Grey
C.White
D.Red
Ans:A
48.The device used to convert AC current in the armature coil to DC current is:
A.Yoke
B.Commutator*
C.Contact breaker
D.Ballast resistor
Ans:B
49.The instrument used to text short circuit between armature winding in starting motor or dynamo is:
A.Growler*
B.Multimeter
C.High rate discharge tester
D.Stroboscope
Ans:A
50.The volume between TDC and BDC in a single cylinder engine is:
A.Stroke volume
B.Swept volume
C.Total volume
D.Both (a) and (b)*
Ans:D
51.Total number of gears in a differential is:
A.2
B.3
C.4*
D.6
Ans:C
52.In petrol engine the unit which mix petrol and air is:
A.Carburettor*
B.Fuel pump
C.Injector
D.Governor
Ans:A
53.Spark plug is used in:
A.SI engine*
B.CI engine
C.Steam engine
D.All of the above
Ans:A
54.Which of the following factor/factors depends upon tyre life?
A.Inflation
B.Driving style/method
C.Troubles of vehicle
D.All of the above*
Ans:D
55.Tread cracking of a tyre may be due to:
A.Overloading *
B.Over inflation
C.Under inflation
D.All of the above
Ans:A
56.The cross section of connecting rod is:
A.I section*
B.L section
C.D section
D.T section
Ans:A
57.Cam shaft is not required in:
A.4 stroke petrol engine
B.4 stroke diesel engine
C.Two stroke engine*
D.None of these
Ans:C
58.To reduce the noise,engine exhaust is connected to the---------
A.Muffler*
B.Catalytic converter
C.Supercharger
D.Turbocharger
Ans:A
59.The lubrication system used in sports car is:
A.Petrol system
B.Pressure system
C.Dry sump system*
D.Splash system
Ans:C
60.The main constituent of CNG(Compressed Natural Gas)is:
A.Methane*
B.Ethane
C.Butane
D.Propane
Ans:A
61.The reason for the wide use of Aluminium alloy piston is:
A.Low weight
B.High thermal conductivity
C.Increased cooling efficiency
D.All of the above*
Ans:D
62.Working principle of flywheel in engine is:
A.Moment of inertia*
B.Pascal law
C.Venturi Principle
D.Charles law
Ans:A
63.All the gears in the differential are:
A.Spur gear
B.Helical gear
C.Bevel gear*
D.Double helical gear
Ans:C
64.A tyre is specified as P 205/75 R14.The digit 75 stands for:
A.Radius
B.Diameter
C.Aspect ratio*
D.Speed rate
Ans:C
65.Which of the following starting drive is used in vehicle?
A.Bendix drive*
B.Torque tube drive
C.Hotchkiss drive
D.Full floating drive
Ans:A
66.In the fully charged condition the specific gravity of electrolyte at 15 degree Celsius is:
A.1.29*
B.1.11
C.1
D.2.1
Ans:A
67.A battery of 100 AH(Ampere Hour)can give:
A.10 A current for 10H
B.20 A for 5 H
C.25 A for 4 H
D.All of the above*
Ans:D
68.The type of suspension system used in two wheeler is:
A.Rigid axle
B.Mac Phersion
C.Swinging half axle
D.Telescopic shock absorber*
Ans:D
69.Which of the following battery test uses hydrometer?
A.Open volt test
B.Cadmium test
C.High discharge test
D.Specific gravity test *
Ans:D
70.Which of the following works according to Ventum principle?
A.FIP
B.Feed pump
C.Carburettor*
D.Injector
Ans:C
71.Parliament of India consists of:
A.Lok Sabha and Rajya Sabha
B.President,Vice President,Lok Sabha and Rajya Sabha
C.Attorney General,Lok Sabha and Rajya Sabha
D.President ,Lok Sabha and Rajya Sabha*
Ans:D
72.Which is the first state to presentabillontheestablishment of Lokayuktha in 1970?
A.Kerala
B.Punjab
C.Odisha*
D.Rajasthan
Ans:C
73.The idea for the inclusion of ‘Socialist’ in the preamble is prompted by:
A.Indira Gandhi*
B.Jayaprakash Narayan
C.Acharya Kripalani
D.Ram manohar Lohya
Ans:A
74.Protection of children from sexual offences’ bill passed by Lok Sabha on:
A.2013 May 22
B.2012 May 12
C.2012 May 22*
D.2013 May 12
Ans:C
75.The social reformer known as ‘Kerala Lincoln’:
A.Pandit K.P.Karuppan*
B.Ayyankali
C.Sahodaran Ayyappan
D.Pambadi John Joseph
Ans:A
76.Which pair is incorrect?
A.Yogashema Sabha-1908
B.Nair Service Society-1914
C.Sadhu Jana Paripalana Sangam-1903*
D.Vaala Samudaya Parishkarani Sabha-1910
Ans:C
77.’Prathyaksha Raksha Daiva Sabha’-The organization for dailt Christians are founded by:
A.Chavara Kuriakkose Achan
B.Poykayil Yohannan*
C.Pambadi John Joseph
D.Palakkunnath Ebraham Malpan
Ans:B
78.Who is the only Malayali social reformer mentioned in the autobiography of Mahatma Gandhi?
A.T.K.Madhavan
B.Sree Narayana Guru
C.Barister G.P.Pillai*
D.Ayyathan Gopalan
Ans:C
79.The slogan ‘Gareebhi Hatao’is related to which five year plan?
A.Vth*
B.VIth
C.VIIth
D.IVth
Ans:A
80.Who is the first to calculate the national income of India?
A.P.C.Mahalanobis
B.C.D.Deshmukh
C.Gulsarilal Nanda
D.Dadabhai Naoroji*
Ans:D
81.Who is known as Father of Malayalam Printing?
A.Herman Gundert
B.Benjamin Baily*
C.Arnose Pathiri
D.Henrik Vanreed
Ans:B
82.The first college in Kerala was started at:
A.Thiruvanathapuram
B.Thalassery
C.Kozhikode
D.Kottayam*
Ans:D
83.Which American country launched the construction of a new canal connecting Atlantic and Pacific Ocean?
A.Panama
B.Nicaragua*
C.Costarica
D.Mexico
Ans:B
84.Who became the First Indian Footballer to be conferred with the Asian Football Confederation Hall of Fame Award?
A.Baichung Bhutia*
B.I.M.Vijayan
C.Sunil Chetri
D.Sailen Manna
Ans:A
85.Name the leader of ‘Paliyam Sathyagraha’(1947-48).Who died in police action?
A.Madathil Appu
B.Koyithattil Chirukandan
C.A.G.Velayudhan*
D.Potora Kunhambu Nair
Ans:C
86.Wagon Tragedy Memorial Municipal Town hall is situated in:
A.Tirur*
B.Malappuram
C.Manjeri
D.Ponnani
Ans:A
87.The official journal of SNDP is:
A.Kerala Kaumudi
B.Mithavadhi
C.Sahodharan
D.Vivekodayam*
Ans:D
88.Which pair is incorrect?
A.Kerala Vyasan-Kodungallur Kunhikuttan Thampuran
B.Kerala Kalidasan-Kerala Varma Valiyakoyi Thampuran
C.Kerala Vathmeeki-Vallathol
D.Kerala Panini-N.Krishna Pillai*
Ans:D
89.The book’Kerala Sahithya Charithram ‘has five volumes and sixty four chapters.Who wrote this book?
A.Prof.K.M.George
B.Ullor S.Parameswara Iyer*
C.Sardar K.M.Panickar
D.Dr.M.Leelavathi
Ans:B
90.’Anakkara Vadakkathu’is a famous family in South Malabar contributed a lot to Kerala women empowerment.Find out the name of the reformer not belongs to ‘Anakkara Vadkkathu’ family
A.A.V.Kuttimalu Amma
B.Ammu Swaminathan
C.Lalitha Parbhu*
D.Captain Lakshmi
Ans:C
91.Name of the Engine which have bore is equal to stroke length:
A.Wankel Engine
B.Radial Engine
C.Square Engine*
D.Hybrid Engine
Ans:C
92.Write down correct question:
A.1HP=BHP+FHP*
B.FHP=BHP+IHP
C.BHP=1HP+FHP
D.IHP=BHP-FHP
Ans:A
93.Which of the following Cycle is used in petrol engine?
A.Diesel Cycle
B.Otto Cycle*
C.Carnot Cycle
D.Brayton Cycle
Ans:B
94.An engine has swept volume of 600 cc.If compression ratio is 8.5,determine clearance volume in cc:
A.40 cc
B.60 cc
C.80 cc*
D.100 cc
Ans:C
95.One bar is equal to(KPa-Kilo Pascal):
A.1 KPa
B.10 KPa
C.1000 KPa
D.100 KPa*
Ans:D
96.Actual power delivered at the crank shaft:
A.FHP
B.IHP
C.BHP*
D.None of these
Ans:C
97.The part which connects piston and connecting rod:
A.Crankpin
B.Pistonpin*
C.Fly wheel
D.Gasket
Ans:B
98.The exhaust valve usually starts opening:
A.at BDC
B.at TDC
C.before BDC*
D.before TDC
Ans:C
99.Valve clearance is measured by the instrument:
A.Screw gauge
B.Slip gauge
C.Vernier caliper
D.Feeler gauge*
Ans:D
100.Which of the following is used to avoid over cooling in the cooling system of the engine?
A.Pressure cap
B.Thermostat*
C.Expansion reservoir
D.Radiator
Ans:B