Janardan Rai Nagar Rajasthan Vidyapeeth 2007 Diploma Automobile Engineering ADVANCED AUTOMOBILE MANUFACTURING SYSTEMS/ AUTOMOBILE MANUFACTURING SYSTEMS - Question Paper
JRN Rajasthan Vidyapeeth University
DIPLOMA
ADVANCED AUTOMOBILE MANUFACTURING SYSTEMS/ AUTOMOBILE MANUFACTURING SYSTEMS
Model Question Paper
DTA9/DTM9 ADVANCED AUTOMOBILE MANUFACTURING SYSTEMS/ AUTOMOBILE MANUFACTURING SYSTEMS
Duration : 3 Hrs. Maximum Marks : 75
Instruction:
1. Question paper is divided into Group A, Group B and Group C
2. Each Group is 25 Marks
3. Figure to the right in bracket indicate marks.
4. Good Handwriting is expected
Group A (25 Marks)
Answer any three questions (Question 1 is compulsory)
(10) (5)
Q1. Explain the role of automobile manufacturing industry in
Indian economy development?
Q2. Explain manufacturing processes functions in automobile manufacturing systems?
(10)
Q3. Give the function of master cylinder in the braking system. Why
bleeding of brakes are necessary? List common braking problems and the
corrective measures. How does the hand brake function?
(10)
Q4. Explain laser beam machining. What is electron beam
machining?
(10)
Q5. Explain the procedure of quality control in automobile
manufacturing system?
Group B (25 Marks)
Answer any three questions (Questions 6 is compulsory)
(5)
Q6. Calculate the brake efficiency of a car if it is slopped
in a distance of 80 metres from a speed of 110 km/hr.
(10) (10)
Q7. The gear ratios of a 3 speed gear box are 3.5, 2.1 and 1
and the constant ratio of differential is 6.0. Calculate the speed of car in
each gear if the engine rpm is 3000 and the rear wheel diameter is 60 cm?
Q.8 What is a worm and roller steering system. Discuss.
(10)
Q9. State different kinds of gears used in automobiles
manufacturing systems?
(10)
Q10. (a) What do you understand by automobile engineering?
Give other names for an
automobile.
(b) Give a brief history of automobile stressing the milestones in its development
Group C (25 Marks)
All Questions are Compulsory.
Q.11. Fill in the blanks (Each question carries 2 Marks, Total = 10 Marks)
(i) The device which transmits the rotary motion of the engine to the transmission, when required by the driver is _______.
(ii) Full form of LASER is ________.
(iii) ________ are used to transmit power between two parallel shafts.
(iv) Material used for piston rings is ________.
(v) Write the Taylors tool life cutting speed equation ________.
Q.12. Multiple choice questions (Each question carries 2 marks, Total = 10 marks)
(i) The low velocity abrading process is
(a) Buffing (b) Honing (c) Grinding (d) Lapping
(ii) When several drilling spindles are mounted on a single table, it is known as
(a) Gang drilling (b) Turret drilling (c) Radial drilling (d) None
(iii) The mechanical process for cutting, debarring and cleaning hard brittle materials is
(a) Water jet machining (b) Electrical discharge machining
(c) Abrasive jet machining (d) None
(iv) The law which states that fluid transmits pressure equally in all directions is
(a) Boyles Law (b) Charles Law (c) Pascals Law (d) Gay Lussac Law
(v) Pistons are manufactured by the process
(a) Boyles Law (b) Charles Law (c) Pascals Law (d) Gay Lussac Law
Q.13. Indicate whether following statements are True or False (Each question carries 1 marks, Total = 5 Marks)
(i) Cylinder blocks are prepared by casting process.
(ii) Anodizing is a process designed to protect steel from oxidation at high temperatures.
(iii) In conventional suspension system, two wheels are mounted on either side of a rigid axle.
(iv) The cutting tool used in EDM process is electrode.
(v) Hobbing is a gear generating process.
***********************
| Earning: Approval pending. |
