Wednesday, January 25, 2023

Dr. A.P.J. Abdul Kalam University BE VIII SEM (ME) Machine Design [ME-802] June 2021 Question Paper

Dr. A.P.J. Abdul Kalam University

Bachelor of Engineering

Eighth Semester Main Examination, June-2021

Machine Design [ME-802]

Branch-ME

Time: 3:00 Hrs Max Marks 70

Note: (i) Attempt any five questions out of eight.

(ii) All questions carry equal marks.

Q.1 Design a cast irori protected flange coupling to connect two shafts of 36 mm

diameter transmitting 25 kW at 950 rpm. The overload capacity is 1.3 times the average

torque. The bolts and keys are made of C 20 steel and flanges are made of -FG250.

Q.2 Determine the module and face width of a helical gear tooth for a helical gear pair to

transmit a power of 20 kW from a shaft rotating at a speed of 1200 rpm to a parallel shaft to be

360 rpm maintaining a Centre distances of 180 mm.

Q.3 What is optimization? Discuss different optimization techniques.

Q.4 Compare the stress distribution in an thin and thick walled pressure vessel.

Q.5 Discuss the construction of wire rope with the help of net sketch?

Q.6 Determine the principal dimensions of cylinder for a vertical four stroke compression

engine from the following data: Brake power : 5 kW Speed : 1000 rpm indicated mean

effective pressure : 0.35 MPa mechanical efficiency : 85%

Q.7 What is difference between double and herringbone helical gears? State advantages of

these gear also.

Q.8 What are the advantages and disadvantages of flat belt drive?

Scanned Copies:

Shiva

B.E Civil Engineer Graduated from Government College of Engineering Tirunelveli in the year 2016. She has developed this website for the welfare of students community not only for students under Anna University Chennai, but for all universities located in India. That's why her website is named as www.IndianUniversityQuestionPapers.com . If you don't find any study materials that you are looking for, you may intimate her through contact page of this website to know her so that it will be useful for providing them as early as possible. You can also share your own study materials and it can be published in this website after verification and reviewing. Thank you!