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4020633 – AUTOMOBILE TECHNOLOGY
VI-SEMESTER MECHANICAL ENGINEERING
N-SCHEME
UNIT-I
Automobile Engines
14 MARKS
1) Explain with neat sketch, the working of a full pressure lubrication system in an I.C engine.
(October 2019, 2018, 2016, 2015, 2013, 2012, 2009, 2008, 2005, April 2016, 2015, 2014, 2012,
2011, 2010, 2001)
2) Explain the working of pump assisted water cooling system. (Or) Briefly explain with neat sketch,
the construction and operation of water pump circulating cooling system. (April 2019, 2018,
2016, 2013, 2012, 2009, 2005, 2004, October 2017, 2012, 2011, 2010, 2009, 2008, 2005, 2001)
3) Explain the construction and working of overhead valve operating mechanism with a neat sketch.
(October 2016, April 2009, 2007, 2002)
4) Explain with neat sketch, the construction and operation of L-head (or) side valve mechanism.
(April 2008, October 2008, 2004)
5) What is the necessity for cooling of an engine? What is the function of thermostat? Explain any
one type of thermostat with neat sketch. (April 2009, 2008, 2001, October 2007)
6) State the function of piston rings and state the materials out of which piston rings are made.
(April 2008, 2005, 2002, October 2015, 2007)
7) Sketch the cross-sections of various types (oil and compression) of piston rings and discuss in
detail their performance characteristics. (October 2013, 2000)
8) Explain the various types of cylinder liners
9) Explain petrol lubricating system
UNIT-II
Fuel feed system and alternative fuels
1) Explain the functioning of MPFI system with a simple sketch. [April 2019, 2015]
2) Explain the construction and operation of S.U Electrical pump. (Or) Describe the construction
operation of electrical fuel pump. (October 2019, 2015, April 2019, 2018, 2010, 2005)
3) Explain the function of single acting diesel feed pump with neat sketch. (October 2015, 2014,
2009, April 2004)
4) Explain the construction and working of inline fuel injection pump. (April 2004)
5) Write the constructions and working of distribution type fuel injection pump with necessary neat
line diagrams. (April 2014, 2010, 2008, 2007, October 2016, 2009, 2007, 2000)
6) Explain the various types of fuel injection nozzle (or) fuel injectors with a neat sketch. (October
2012, 2011, 2007, 2003, April 2008, 2001)
7) Name and explain the different alternative fuels for petrol and diesel engines? (October 2013,
2011, 2009, 2005, April 2008)
8) Draw the layout of a fuel feed system of a petrol engine and list the salient parts.
9) Draw the layout of fuel feed system of a diesel engine
UNIT-III
Transmission and Power Trains
1) Explain the construction and working of a single plate clutch with a sketch. (April 2019, 2015,
2002, October 2010, 2005)
2) Explain the construction and working of multi plate clutch. (April 2013, 2008, 2004, October
2018, 2017, 2014, 2013)
3) Draw a neat figure of constant mesh gear box and explain the function. (April 2018, 2017, 2015,
2010, 2009, 2006, 2005, 2004, 2003, October 2016, 2008, 2007, 2003, 2002)
4) Describe with a neat sketch, the construction and operation of synchromesh gear box. (April
2013, 2002, October 2017, 2013)
5) Explain the construction and working of diaphragm spring clutch with neat sketch. State it
advantages. (October 2015, 2011, 2009, 2006, April 2007)
6) Explain about the construction and working of a differential used in an automobile. (April 2009,
2008, 2007, 2005, 2004, October 2015, 2014, 2011, 2010, 2002)
7) Mention the types of floating axles in rear axle. Sketch and explain the construction of a three
quarter floating and full floating axle. (April 2014, 2010, 2006, October 2008, 2004, 2003)
8) What is non-slip differential? Describe with neat sketch, the operation of power lock or non-slip
differential. (October 2015, April 2008, 2007)
9) Briefly explain the Hotch kiss drive with a neat sketch. (October 2015, 2014, 2012, 2006, 2008,
April 2016, 2006)
10)Explain the functions of a final drive and differential unit in an Automobile. (October 2002, April
2008, 2005)
UNIT-IV
Automobile Chassis
1. Explain with a neat sketch the working principle of any one type of power steering. [October
2012, 2009]
2. Describe the construction and working of Telescopic type shock absorber. (April 2019, 2015,
2010, 2009, 2007, October 2007, 2004, 2003)
3. Describe the collapsible steering system with a sketch. [April 2019]
4. Explain with neat sketch, the construction and operation of recirculating ball type steering gear
box. (October 2018, 2016, 2010, 2001, April 2017, 2008, 2007, 2005, 2003)
5. Explain the construction and working of any one type of front independent suspension system
with a neat sketch and state its merits and demerits. (April 2015, 2015, 2014, 2006, 2005,
October 2015, 2008, 2001)
6. With a neat sketch explain the construction and operation of the hydraulic brake system.
(October 2008, 2004, April 2016, 2015, 2008, 2005)
7. Explain the layout of air brake system used in automobile and explain its working. (April 2010,
2006, 2003, October 2016, 2011, 2009)
8. Explain the construction and operation of air assisted hydraulic brake system. (April 2014, 2009,
2004, October 2010, 2003)
9. Explain the working of anti-loking brake system (ABS) with diagram. (October 2014)
10. Explain the neat sketch the different parameters of front wheel geometry. (October 2011, 2005,
April 2001)
UNIT-V
Electrical Equipment and hybrid electrical vehiclesl
1. Describe the construction of lead acid battery with simple sketch. (October 2019, 2014, 2005,
2002, April 2013)
2. Describe the construction and working of high tension magneto ignition system. [October 2019,
April 2015]
3. Explain with neat sketch, the construction and operation of bendix inertia motor drive mechanism.
(April 2017, 2014, 2010, 2009, 2008, 2007, October 2016, 2009, 2004)
4. Explain the construction and operation of nickel-alkaline battery. What are its merits and
demerits? [April 2015, 2012, October 2015, 2009]
5. Explain the construction and working of an alternator. (October 2011, 2010, 2007, April 2006,
2005)
6. Explain with neat sketch the construction and operation of solenoid switch drive mechanism.
(April 2013)
7. With a neat sketch explain the function of following (i) Head light (ii) Sealed beam head light (iii)
Directional indicator. (October 2015, 2014, 2008, 2004)
8. Give the construction and working of vibrating diaphragm type of electric horn. (October 2015,
2007, 2004, 2003, April 2007)
9. Explain the working principle of hybrid electric vehicle with neat sketch.
10.Briefly explain the topics incorporated in Bharat stage II, III and IV norms.
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