B.TECH - Semester 8 automobile engineering Question Paper 2013 (apr)
Practice authentic previous year university questions for better exam preparation.
Sample Questions
- (b) With a cross sectional sketch, explain the constructional details and working of a multi-plate wet clutch.
- (a) What are the functions of a Differential?
- Why the speed of the cam shaft is half the speed of the crank shaft?
- What is "Crank throw"? How it is connected to stroke length?
- Give the expansion for the following acronyms : (a) VNT
- Give the expansion for the following acronyms : (b) TDCI
- Give the expansion for the following acronyms : (c) CRUE
- Give the expansion for the following acronyms : (d) SCR.
- Where is the MAP sensor positioned in a MPFI system? What is its function?
- How the ignition timing is checked in modern gasoline engines?
- Differentiate between "Cold and Hot" Spark plugs.
- What are the advantages of a Diaphragm Clutch?
- Why "Multi-plate wet clutch" is commonly used in two wheelers?
- Explain the condition for true rolling of a vehicle.
- What are the advantages of using a radial tyres? ( $10 \times 2=20$ Marks) PART - B Answer any one full questions from each Module. Each question carries 20 marks.
- (a) What are the different methods used to drive the cam shafts? Explain them with suitable sketches.
- (b) With the help of a lay out diagram explain the working of a pressure sealed cooling system with coolant reservoir. OR
- (a) Enumerate the advantages of Electronic Engine Management systems.
- (b) With a suitable layout sketch explain the working of a GDI System.
- (a) Explain the working of a CDI ignition system with a suitable circuit diagram.
- (b) What is DTSi? Explain its working with a circuit diagram. OR
- What is a "Maintenance free battery"? Explain the battery charging and discharging chemistry of a Lead-acid battery with the help of chemical equations.
- (a) List the advantages of a diaphragm spring clutch.
- (b) Explain the constructional details and working of a Limited slip differential. 15
- What are the wheel alignment parameters? Explain them in detail with suitable sketches and mention their effects on the stability of the vehicle.
- (a) What are the major sensors used for the chassis control of a vehicle? Explain the working of an ABS with a suitable layout sketch.
- (b) Explain the constructional details of bias ply, bias belted and radial tyres. $$ (4 \times 20=80 \text { Marks) } $$