B.TECH - Semester 8 automobile engineering Question Paper 2019 (nov)
Practice authentic previous year university questions for better exam preparation.
Sample Questions
- With the help of neat sketches explain the following terms (a) Camber
- With the help of neat sketches explain the following terms (b) Steering axis inclination
- Why do vehicles need a differential? Explain.
- What are the main parts of a tubeless tyre? Mention two advantages of tubeless tyres.
- Outline the major components of an automobile.
- What is a plug in hybrid electric vehicle? Describe various modes in which it can operate.
- What are the properties of a braking fluid?
- What is the function of a radiator in cooling system?
- How the reverse gear is obtained in a sliding mesh gearbox?
- Why a single cylinder engine is not used in cars or heavy vehicles? Explain.
- What is the basic principle of automobile air conditioning? ( $\mathbf{1 0} \boldsymbol{\times} \mathbf{4} \boldsymbol{=} \mathbf{4 0}$ Marks)
- Describe with $p=v$ diagrams the working of a four stroke internal combustion (a) Petrol engine,
- Describe with $p=v$ diagrams the working of a four stroke internal combustion (b) diesel engine. Discuss in detail the comparison between these two types.
- (a) What are the main components of an water cooling system for an automotive engine? Describe these in detail.
- (b) Compare the differences between thermo-syphon and forced pump circulation of cooing in automobiles.
- (a) Explain clearly the necessity of transmission in a vehicle.
- (b) How are constant mesh transmissions arranged for obtaining torque changes? Discuss the advantages of constant mesh gear box over the sliding mesh type.
- (a) Describe the principle of a torque converter? Discuss its advantages and disadvantages.
- (b) Describe in detail various types of differentia-locking systems.
- (a) Draw a simple diagram to show the layout of a hydraulically operated four wheel brake system and explain its working in detail.
- (b) Discuss various factors influencing the braking effect.
- (a) Describe in detail the rack and pinion type manual steering gear by means of a simple. Sketch and discuss its advantages and disadvantages.
- (b) Explain the probable causes of various steering troubles and suggest suitable remedies.
- (a) Explain the terms:
- (i) King pin inclination (ii) Toe in and toe out (iii) Steering geometry
- Explain the functions of piston ring.
- What are the major components lubrication system?
- Explain any two functions of ignition system.
- What is a cut-out relay explain.
- Define ignition system. List the major components of the ignition system.
- What is a Bendix drive? Explain.
- List any four chassis materials.
- Explain the necessity of wheel alignment in automobiles.
- Define the following (a) Castor (b) Camber.
- What are the major functions of tyre? $$ \text { ( } 10 \times 2=20 \text { Marks) } $$ P.T.O. Answer any one questions from each module. Each question carries 20 marks.
- (a) Differentiate between MPFI and CRDI system.
- (b) Discuss the requirements of a cooling system.
- (a) Give a detailed classification of automotive engines.
- (b) What is a carburettor? Explain with the aid of a sketch the construction and working of a simple carburettor.
- (a) With the help of sketches explain the construction of a lead acid battery. (10)
- (b) What are Automatic ignition advance systems? Explain.
- Explain the operation and working principle of the following (a) Oil pressure Gauge
- Explain the operation and working principle of the following (b) Speedometer
- (a) What are the functions of a transmission system? Discuss the advantages of multi-plate clutch over a single plate clutch.
- (b) Sketch a sliding mesh gear box in second gear engaged position and explain its working principle.
- (a) Describe the working and use of torque converters.
- (b) Explain the construction and working principle of propeller joints.
- (a) Explain with neat sketch
- (i) MacPherson strut suspension system (ii) Coil spring suspension system
- (b) What are the benefits of air braking system? Explain the construction and working of the same.