MECHANICAL ENGINEERING FOUNDATION
Module-1
1.
Write the differences between Renewable and Non-Renewable energy sources with examples? 5M
2.
Define the followings. 5M i.
Solar Radiation ii.
Solar Constant
3.
With neat sketch explain the working principle of Liquid flat collector? 7M
4.
Explain the working principle of Solar Photovoltaic? 6M
5.
With neat sketch explain the working principle of solar pond? 6M
6.
Define Wind Power. Explain the Working principle of operation of a typical windmill?10M
7.
Define Hydro Power. Explain the working principles of electric power generation from hydropower plants? 8M
8.
Define Nuclear Power and explain the working principles of nuclear power plants? 10M
9.
Define Steam and write the applications of steam? 4M
10.
What is Boilers? Give the detail classifications of boilers? 10M
11.
With neat sketch explain the working principle of operation of Lancashire Boilers? 10M
12.
With neat sketch explain the working principle of Babcock and Wilcox Boilers? 10M
13.
With T-H diagram explain the formation of steam. 4M
Module-2
1.
Define Turbine? Give the detail classifications of turbines with examples? 6M
2.
Define the followings 4M i.
Steam Turbines ii.
Gas Turbines iii.
Water Turbines iv.
IC Engines
3.
Define IC Engines? Give the detail classifications of IC Engines? 5M
4.
What are the differences between 2-Stroke and 4-stroke petrol engines? 8M
5.
Explain the working principles and operations of open cycle gas turbine? 4M
6.
Explain the working principles and operations of open cycle gas turbine? 4M

7.
What are differences between open cycle and closed cycle gas turbines? 4M
8.
Explain the working principles of operations of Impulse and Reaction turbines? 8M
9.
What are differences between Impulse and Reaction turbines? 6M
10.
With neat sketch explain the working of Delaval`s turbines? 7M
11.
With neat sketch explain the working of Parson`s turbines? 8M
12.
Explain the working principles of Pelton Wheel? 8M
13.
With neat sketch explain the working of Francis turbines? 8M
14.
With neat sketch explain the working of Kaplan turbines? 8M
15.
What are differences between 4-stroke petrol engines and 4-stroke diesel engines? 8M
16.
Give the detail parts of IC engines and explain? 5M
Module-3
1.
Define robot? Classify the robots on the basis of physical configuration? 10M
2.
Discuss the various industrial applications of Robot? 5M
3.
Enumerate advantages and dis-advantages of gear drives over belt drive? 8M
4.
With neat sketch explain the working principle of lathe? 10M
5.
With neat sketch explain the working principle of drilling machine? 10M
6.
With neat sketch explain the working principle of milling machine? 7M
7.
State advantages and dis-advantages of robots? 5M
8.
Define the term automation? Explain different types of automation? 10M
9.
Problems on simple gear train to find out the speed ratio, speed and direction of rotation of the driving or driven gear. a) In a simple gear train velocity ratio is 3 and the speed of the driver is 1000 RPM. Find the speed of the driven and diameter of the follower, if the diameter of driver gear is
1200mm. 4M b) A simple gear train consists of four gears having 30, 40, 50 and 60 teeth respectively.
Determine the speed and direction of rotation of the last gear if the first gear makes
600rpm in clock wise direction. 4M c) A simple gear train consists of three wheels having 40, 50, 70 teeth respectively. Find its velocity ratio. Driver wheel having 40 teeth rotate at 210RPM in clockwise direction.
Determine speed and direction of last wheel. Sketch the arrangement. 6M

d) A simple gear train is made up of four gears A, B, C and D having 20, 40, 60 and 70 teeth respectively. If gear A is the main driver rotating at 500 RPM clockwise, calculate the following.
1) Speeds of intermediate gears.
2) Speed and direction of last follower.
3) Train value. 8M
Module-4
1.
Compare soldering and brazing and welding?
2.
Explain types of ferrous and non- ferrous metals
8M
10M
3.
What is alloy? Write down its application
4.
Write down applications of ferrous metals and non-ferrous metals?
4M
8M
5.
Explain electric arc welding and oxy-acetylene welding with neat sketch 10M
6.
Define a composite material. How are composite materials classified? Give example for each? 10M
7.
What are the key applications of composite materials in Aerospace and Automotive industries? 5M
8.
Sketch and explain the electric arc welding process? 7M
9.
With neat sketch explain the different types of flames used in gas welding and specify their applications? 10M
10.
What is soldering? Explain the different methods of soldering 7M
11.
What is brazing? Explain the different methods of brazing 7M
Module-5
1.
What are the desirable properties of good refrigerants? 5M
2.
Explain with neat sketch working principle of vapour compression refrigeration. 10M
3.
Explain the following. 8M
i) Refrigeration effect.
ii) Ton of refrigeration.
iii) COP.
4.
Explain the working principle of vapour absorption refrigeration process with neat sketch?
10M

5.
List the differences between vapour compression and vapour absorption refrigeration system? 6M
6.
With suitable sketches explain the working of Room air conditioning? 8M
7.
Define the terms 6M a) Refrigeration. b) Ice making capacity. c) Refrigeration cycle.
8.
Mention some refrigerants that are commonly used and their uses? 7M
9.
With a block diagram, explain the functions of the main parts of a refrigerator? 7M
10.
What is meant by refrigeration and mention its applications. 5M
11.
What is meant by Air-Conditioning and mention its applications. 5M
12.
The power required to drive the Vapour Compression Refrigerator is 195.89 KW and refrigeration effect is 759 KW. Find the COP of the system. 4M
13.
COP of the Refrigerator is 5.5 and Refrigeration effect is 620 KW. Find the power required to drive the Vapour Compression Refrigerator. 4M