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| Roll No. | Total No. of Questions : 09 |
| B.Tech. (CE) (2011 Onwards) | Total No. of Pages : 02 |
| (Sem.-4) | |
| CONSTRUCTION MACHINERY AND WORKS MANAGEMENT | |
| Subject Code : BTCE-402 | M.Code: 56084 |
| Time: 3 Hrs. | Max. Marks : 60 |
INSTRUCTIONS TO CANDIDATES :
- SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
- SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
- SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.
- Assume missing data.
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SECTION-A
Q1 Answer briefly :
- Describe the various phases of project
- Explain why planning is necessary.
- What is Ghantt bar chart?
- Define event and activity?
- Differentiate between forward planning, backward planning and combined planning.
- Write short note on "Hierarchies''.
- What do you meant by probability distribution curve.
- What is indirect project cost?
- How do you select the size of a power shovel?
- Compare between Drag line and Clam shell in Cycle time.
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SECTION-B
Q2 What are the different types of network scheduling? Give examples.
Q3 A project consist of 8 activities A,B,C,D,E,F,G and H with their time of completion as follows:
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| Activities | A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|---|
| Duration | 2 | 4 | 2 | 4 | 6 | 4 | 5 | 4 |
The precedence relationships are as follows :
A and B performed parallel
C and D cannot start until A is complete
E cannot start until the half work of activity C is complete
F can start only after D is complete
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G succeeds C.
H is the last activity, which should succeed E
Draw network diagram
Q4 A project takes 25 days along the critical path and has standard deviation of 5 days. What is the probability of completing the project within (i) 30 days (ii) 25 days?
Q5 Draw a typical cost-duration curve and show on it the optimum cost and optimum duration. Explain the importance of the curve.
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Q6 With neat sketches explain the working of a dragline.
SECTION-C
Q7 The following table gives the activities in a construction project :
| Activity : | 1-2 | 1-3 | 2-3 | 2-4 | 3-4 | 4-5 |
|---|---|---|---|---|---|---|
| Duration (days) : | 20 | 25 | 12 | 11 | 10 |
- Draw the network for the project
- Find the critical path
- Find the float, total float and independent float for each activity
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Q8 For the construction of a hostel building the following activities are to be performed :
| Activities | P | Q | R | S | T | U | V | W |
|---|---|---|---|---|---|---|---|---|
| Duration | 1 | 3 | 1 | 3 | 5 | 3 | 4 | 3 |
Activities P and Q can be performed in parallel; activities R and S cannot start until P is complete; T cannot start until half the work of the activity R is complete; activity U can start only after activity S is complete; activity N succeeds activity R and activity W which is the last activity succeeds T.
- Draw the Bar Chart.
- What is the total completion time of the project? Explain how you can improve upon the limitations of the use of the chart.
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Q9 Write snort notes differentiating the following :
- Back hoe and bull dozer
- Belt conveyor and aerial ropeways
- Normal duration and Crash duration
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.
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This download link is referred from the post: PTU B.Tech 4th Semester Last 10 Years 2009-2019 Previous Question Papers|| Punjab Technical University
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