FE Mechanical Engineering Systems 2019 PDF

Total No. of Questions : 8] SEAT No. : 8 23 PB3588 [Total No. of Pages : 2...

Total No. of Questions : 8] SEAT No. : 8 23 PB3588 [Total No. of Pages : 2 -3 ic- tat F.E. 8s SYSTEMS IN MECHANICAL ENGINEERING 8:0 (2019 Pattern) (Semester-I/II) (Credit System) (102003) 02 91 9:4 0 Time : 2½ Hours] [Max. Marks : 70 40 7/0 13 Instructions to the candidates: 0 1) Attempt question Q1 or Q2, Q3 or Q4, Q5 or Q6, Q7 or Q8. 5/2.23 GP 2) Neat diagrams must he drawn wherever necessary. 3) Figures to the right side indicate full marks. E 81 4) Assume suitable data if necessary. 8 C 23 ic- 16 Q1) a) Classify automobiles based on various considerations and specify tat 8.2 examples of each type. 8s.24 8:0 b) State importance of vehicle specification. Provide vehicle specifications 91 49 for any two-wheeler. 9:4 30 c) State difference between electric and hybrid vehicle with examples. 40 01 02 OR 5/2 GP Q2) a) Explain various components of S. I engine with neat sketch. 7/0 b) Explain electric vehicle with neat sketch. Mention its components. CE 81 8 23 c) Write a short note on cost analysis of the vehicle..23 ic- 16 tat 8.2 8s Q3) a) A pinion with 110 mm pitch circle diameter meshes with a gear of.24 450 mm pitch circle diameter. The number of teeth on pinion is 20 and it 8:0 91 rotates at 1550 rpm. Determine. 49 9:4 30 i) Gear ratio 40 01 ii) Number of teeth on gear and 02 5/2 GP iii) Speed of the gear. 7/0 b) State importance of suspension system. Explain telescopic suspension CE 81 system with neat sketch..23 c) Draw a block diagram of fuel supply system for petrol engines with its 16 components. 8.2 OR.24 49 P.T.O. Q4) a) Explain various components mounted on the chassis with neat sketch. 8 23 b) State types of steering system? Explain Ackerman steering mechanism ic- with neat sketch. tat c) Explain working of water-cooling system in vehicle with neat diagram. 8s 8:0 02 91 Q5) a) Explain sand casting process with neat sketch. State its advantages and 9:4 0 disadvantages. 40 b) 7/0 13 State the importance of sheet metal working in manufacturing. Explain 0 Punching and Blanking with neat sketch. 5/2.23 GP c) Explain concept of Internet of Things (IoT) and its applications in manufacturing. E 81 8 C 23 OR ic- Q6) a) Define metal forming process. Discuss extrusion and drawing process 16 tat with neat sketch. 8.2 8s.24 b) With neat sketch explain the shielded metal arc welding. State its 8:0 91 applications. 49 9:4 30 c) Explain a process of product development using 3D printing process. 40 01 02 5/2 Q7) a) With the help of block diagram, explain working of electric geyser. GP 7/0 State various specifications for an electric geyser. CE 81 b) Explain working of a printer with block diagram. 8 23.23 c) Draw neat sketch of water pump used for overhead tank. ic- 16 tat OR 8.2 8s.24 8:0 91 Q8) a) State various applications of springs in domestic appliances. With neat 49 9:4 sketch, explain any one mechanism making use of spring. 30 40 b) Why product specifications are important? Explain the specifications 01 02 for refrigerator and air conditioner. 5/2 GP c) An electric motor driven pump fills an over headed tank placed at a 7/0 height of 20 m from the ground level. The mass of the water pumped per CE 81 second is 5.56 kg. Input power of the motor is 2200W. Calculate the.23 efficiency of the motor. (Use g = 9.81 m/s2) 16 8.2 eeee.24 -3 2 49