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AT1360- AUTOMOBILE ENGINEERING 16 Mark Question Paper

DEPARTMENT OF MECHANICAL ENGINEERING
QUESTION BANK
Subject Name: AT1360- AUTOMOBILE ENGINEERING                           Year/Sem: III / VI

AT1360- AUTOMOBILE ENGINEERING Important 16 Mark Question Paper

UNIT-I VEHICLE STRUCTURE AND ENGINES

01.  Explain the construction of various frames used in automobiles with neat   sketch.             (16)
02.  Discuss the Construction and working principles of 3-way Catalytic   controller                (16)
03.  Explain the following terms :
Load distribution in frames
Frame types with neat sketch
Frame materials
Frame testing.          (16)

04.  i)  Explain the operation of the typical turbocharger with sketch.    (8)
ii) Discuss the principle of operation of a four stroke cycle S.I. Engine with a neat sketch.  (8)

05. With the help of neat sketch explain in detail  about the construction and
working of different engine components?       (16)

06.  i)  What are the functions of a cooling system?              (2)
ii) Sketch and explain  different  types  of  lubrication systems used in  automotive engines.     (14)

07.  i)  What do you know about emission norms? Discuss.     (7)
ii)  With a block diagram discuss the operational features of electronics engine management system.                         (9)

08.  i)  What are the desirable properties of a good lubricant?    (8)
ii)  Draw the layout of an automobile and indicate the various components.             (8)
09.  Discuss various methods to reduce the level of pollutants in the exhaust gases. (16)

UNIT II
ENGINE AUXILLARY SYSTEM
PART B  (16 MARKS )

01.  Briefly discuss the working principle of a simple Carburator system. (16)
02. Describe the construction and working principles of Battery-Coil ignition  system.             (16)
03. i)What is carburetion? Explain principle of carburetor.                          (8)
ii)With suitable sketch explain the principle of the MPFI.        (8)
04. i)Explain CDI ignition system with a suitable diagram.     (8)
ii)Sketch and explain the starting circuit of the cranking motor.    (8)
05.  i)Differentiate Electronic Fuel Injection system from Conventional Fuel Injection system.      (4)
ii)Describe about Multi Point Fuel Injection System of an automotive engine. (12)
06.  With the help of neat sketches explain in detail about Battery, Magneto coil nd Electronic Ignition Systems.        (16)
07.  i)Discuss the construction, operation and maintenance of lead acid battery.  (8)
ii)Explain the different tests conducted to assertain  the condition of the battery. (8)
08.  With suitable sketches explain mono point and multi point fuel injection systems and bring out the comparative features.       (16)
09. i)Explain the working features of a starter motor with a neat diagram.   (8)
ii)Explain the operation of a MPFI system and compare it with TBI system.  (8

UNIT III
TRANSMISSION SYSTEM

01.  Explain the construction and working  principles  of  a  typical  automobile gear box.           (16)

02.  Discuss the working principles of
(i) Torque tube drive.          (8)
(ii) Hotchkiss drive.          (8)

03.  i)  What is clutch? Explain the operation of centrifugal clutch.    (8)
ii)  Explain the working principle and application of a freewheel drive in a transmission system.         (8)

04.  i) Explain different type of rear axles with neat sketch.     (10)
ii) What is differential? Explain its operation with sketch.     (6)

05. Explain in detail about any one type of Synchromesh Gear Box with neat sketches.  (16)

06.  i)   What are the effects of wheel bearing layout on axle loading?  (8)
ii)  What do you mean by double reduction axle? Explain  in detail  (8)

07.  i)  What are the features of a good quality clutch? Explain the working of multi plate clutch with a neat sketch.         (12)
ii) What is the function of a clutch? List out the requirement of a clutch.  (4)

08.  Discuss the fully floating axle and three-quarter floating axle with neat sketches. (16)

09.  Explain with suitable sketches the operational features of sliding mesh gearbox. (16)

UNIT IV
STEERING BRAKES AND SUSPENSION
PART B  (16 MARKS )

01.  Sketch and explain the working of power steering system.  (16)
02. Explain the working principles of Hydraulic braking system with simple sketches.          (16)

03.  i) Sketch and explain various steering geometries.     (8)
ii) Describe with the help of simple diagram the different type of stub axles.  (8)

04.  i) Give short note on leaf spring suspension system.     (4)
ii) Explain the operation of Hydraulic braking system with neat sketch.  (12)

05. With the aid of neat sketches, Explain in detail about construction and working of disk brake system.             (16)

06. Explain in detail about a typical front suspension with neat sketches.  (16)

07.  i)  Discuss air suspension system with a sketch.     (8)
ii) How wheel alignment done in automobiles? Explain.     (8)

08.  i)  Explain with the help of a suitable sketch the construction of the disc wheel. (8)
ii) Draw and explain the cross section of an automobile tyre.    (8)

09.  Discuss the construction details of leaf, coil and torsion bar springs.   (16)

10.  Sketch and explain a typical power steering gear box and compare it with ordinary steering system.    (16)

11.  Discuss the working of telescopic suspension system used in cars.   (16)

UNIT V
ALTERNATIVE ENERGY SOURCES
PART B  (16 MARKS )

01.  Discuss the operation of an LPG propelled Automobile with neat sketch.  (16)

02.  Explain the construction and working principle of Fuel cells, with simple sketches.            (16)

03.  How bio diesel is produced? Explain and its usage in automobile.  (16)
04.  Explain the operation of Hydrogen fueled vehicle with neat sketch.    (16)

05.  Discuss in detail about different alternate fuels for automotive engines
with respect to the following aspects :
(i) Emission
(ii) Cost
(iii) Reliability
(iv) Availability
(v) Engine modifications needed.      (16)
06.  i) What is fuel cell? What are the advantages of Fuel  Cells?   (4)
ii) Explain in detail about different types  of Hybrid vehicle constructions with neat sketches.       (12)

07.  i)  Explain the method of biodiesel production through transesterification process. (8)
ii) Discuss the alternative fuel suitable for compression ignition engine driven automobiles.          (8)

08.  i) Briefly explain the methods of using natural gas as diesel engine fuel.  (8)
ii) List out the different properties of hydrogen relevant to its use of I.C. Engines.       (8)

09.  i)  Explain the series and parallel hybrid drive trains.     (8)
ii) Discuss the drive system of an electric vehicle.     (8)


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