Yashwantrao Chavan Maharashtra Open University 2006 Certification TML Engineering Machines-1 - Question Paper
Engineering Machines-1
Engineering Mechanics - I Time : 180 minutes Marks : 100
Instructions for the students :
1. All questions are compulsory.
2. "Long Answer type Question (LAQ)" is a supply type question of 20 marks, which require typical answer of about 60-80 lines in about 32-40 minutes.
3. "Short Answer type Question (SAQ)" is a supply type question of 5 marks, which require typical answer of about 15-20 lines in about 08-10 minutes.
4. Use of non-programmable type of scientific calculator is allowed.
5. Draw neat diagrams wherever necessary.
6. Assume suitable data if necessary.
Question (Q)
Question
Marks
Q-
No.
Long Answer type Questions (LAQ's)
1.
10
(a) Find the result of the following system acting on a body OABC shown in fig. 1. Find the points where the resultant cuts the X and Y axes. What is the distance of resultant from O ?
Fig : 1
(b) A fixed crane has a mass of 1000 kg and is used to lift a 2400 kg crate. It is held in place by a pin at A and a rocket at B. The components of the reactions at A and B.
10
Fig : 2
In the truss shown in fig. 3. Determine the force in members FH, GH and GI.
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Fig : 3 |
Determine by direct integration the location of the centroid of a parabolic spandrel.
3.
20
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Fig. : 4 |
For the cantilever, determine range of values of load P for which the magnitude of the fixing moment at A does not exceed 400 kN-m. Refer Fig. 5.
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Fig. : 5 |
Short Answer type Questions (SAQ's)
State and prove the "Law of parallelogram of Forces".
5
5
Distinguish between Moment of force and a couple.
6.
5
Explain :
5
7
i) Cone of Friction
ii) Angle of Repose
Distinguish between Perfect truss, Deficient truss and Redundant truss.
8.
5
N-76 TML041/EE/20070812: 3
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Attachment: |
| Earning: Approval pending. |
