August
V62/T07061/EE/20150811
2015
Machine Design
Instructions:
Marks-80
Time: 3 Hrs
1. All questions are compulsory.
2. “Long Answer type Question (LAQ)” is a supply type
question of 15 marks which required a typical answer of about
60-80 lines in bout 32-40 minutes.
3. “Sort Answer type Question (SAQ)” is a supply type question
of 5 marks which required a typical answer of about 15-20 lines
in bout 08-10 minutes.
4. Figures to the right indicate marks allotted to the questions.
5. Assume suitable data if necessary
6. Use a nonprogrammable type of scientific calculator is
allowed
Marks
SECTION-A
Q.1 Explain the construction knuckle joint with suitable diagram? Write
its application?
OR
15
Q.1 Write down the design procedure of cotter joint with neat sketch?
15
Q.2 Explain the construction and working of coupling with suitable
diagram?
OR
15
Q.2 Describe the construction and working of lever safety valve with
neat sketch?
15
Q.3 Write a short note on design of lever on base of load effort?
5
Q.4 A Rigid coupling is used to transmit 20 Kw power at 720 rpm .
There are four bolts and the pitch circle diameter of the bolts is 125
mm. Syt =380 n/mm2and foc =3 find diameter of bolts?
5
SECTION-B
Q.5 Explain in brief the terminology of ball bearing by using suitable
diagram?
15
OR
Q.5 Explain the following terms
a) Over hauling and
b) Self locking screws?
15
Q.6 Describe the symbolical representation of welding joint and explain
the different symbol meaning with suitable application?
15
OR
Q.6 Explain the energy stored in helical springs of circular wire with
help of diagram?
15
Q.7 Explain the deflection of helical springs of circular wire?
5
Q.8 Describe the leaf spring arrange of spring for stiffness and
deflection?
5
Computer Generated Random Question Paper dated: 06-07-2015 16:42:13
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