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Transcript
```August
2015
V62/T07051/EE/20150810
Theory of Machines and Mechanisms
Instructions:
Marks-80
Time: 3 Hrs
1. All questions are compulsory.
2. “Long Answer type Question (LAQ)” is a supply type
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 A Cam operates a roller . In line reciprocating follower Minimum
radius of cam = 25 cm, Diameter of roller = 15 mm, Angle of lift =
120 ° (NATURE OF LIFT S.H.M.) Outer Dwell angle 30° , angle
of return 150°( Nature of return uniform acceleration and
retardation where acceleration is equal to retardation
15
OR
Q.1 write cam terminology and draw the sketch
15
Q.2 Explain relative velocities of points on the same link.
15
OR
Q.2 Define Turning moment diagram explain the method of drawing for
single cylinder, double acting cylinder, Four stroke I.C. Engine.
15
Q.3 write short note Lower pair and Higher pair
5
Q.4 Define Linear Velocity and angular velocity.
5
SECTION-B
Q.5 What are the types of belt? Difference between flat belt and v - belt
OR
15
Q.5 Derive an expression for length of open belt, and cross section belt.
15
Q.6 Define Bearing. Explain conical Bearing, and footstep bearing with
15
OR
Q.6 How by Graphical method , balancing force and angular position of
balancing mass can be found for several masses rotating in one
plane
15
Q.7 Difference Between Flywheel and Governor.
5
Q.8 Give 4 advantages of a “v” Belt over flat belt
5
Computer Generated Random Question Paper dated: 06-07-2015 16:03:17
***BEST OF LUCK***
```
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