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A wheeled tractor hauling unit is working on firm earth. The total loaded weight distribution of this unit is: Drive wheels: 25000 kg Scraper wheels: 10000 kg If the coefficient of traction for wheeled tractor on firm earth is 0.5, the rimpull which this tractor can exert without slipping is
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4
Residential buildings are treated as
C. Industrial construction
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4
The rated loads of lifting cranes, as percentage of tipping load at specified radius, for crawler-mounted and pneumatic tyre-mounted machines would be respectively
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4
If to, tp and tm are the optimistic, pessimistic and most likely time estimates of an activity respectively, the expected time t of the activity will be
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4
If TL is the latest allowable event occurrence time, total activity slack(s), is equal to
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4
Consider the following activities in a building construction:
1. Concreting of roof slabs
2. Brick-jelly lime concrete terracing
3. Erection of form work for slab
4. Construction of parapet wall in terrace
The correct sequence of these activities is
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4
The difference between the time avail-to do a job and the time required to do the job, is known as
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Assertion (A): Activity 57 is critical. Reason (R): Earliest finish time and latest finish time for events 57 are same Select the correct answer.
A. A is correct but R is not correct
B. R is correct but A is not correct
C. Both A and R is correct
D. Both A and R is incorrect
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4
The grade resistance factor for an earth moving machine can be obtained by multiplying grade percentage by a factor approximately equal to
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4
The main advantage of line organisation is:
A. Effective command and control
B. Rigid discipline in the organisation
C. Defined responsibilities at all levels
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4
The most suitable type of equipment for compaction of cohesive soils is
A. Smooth-wheeled rollers
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If the scheduled completion time of a project is more than the earliest expected time for completion of the project, then the probability of completion of the project within the scheduled completion time will be
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4
Mile Stone charts were invented in the year of
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Output of a bulldozer is
(i) Increased if drawbar HP of the tractor is increased for a given hauling distance
(ii) Decreased if drawbar HP of the tractor is increased for a given hauling distance
(iii) Increased if the hauling distance is increased for a given drawbar HP of the tractor
(iv) Decreased if the hauling distance is increased for a given drawbar HP of the tractor
Of these statement
A. (i) and (iii) are correct
B. (i) and (iv) are correct
C. (ii) and (iii) are correct
D. (ii) and (iv) are correct
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4
For a given activity, the optimistic time, pessimistic time and the most probable estimates are 5, 17 and 8 days respectively, The expected time is
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The direct cost of a project with respect to normal time is
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If the expected time for completion of a project is 10 days with a standard deviation of 2 days, the expected time of completion of the project with 99.9% probability is
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The performance of a specific task in CPM, is known
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Pick up the correct statement from the following:
A. Earliest expected time is denoted by TE
B. Latest occurrence time is denoted by TL
C. Contractual obligation time is denoted by Ts
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4
In the given figure, the network of a project represents
A. Activity of an excavation of a footing
B. Activity of an excavation which starts at event No. 1 and ends at even No. 2
C. Activity of excavation which takes 8 units of time
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Consider the following statements: In the bar chart planning
1. Interdependence of the operations cannot be portrayed.
2. Progress of work can be measured.
3. Spare time of the activities can be determined.
4. Schedule cannot be updated. Of these statements
A. 1, 2 and 3 are correct
C. 2, 3 and 4 are correct
D. 1, 2 and 4 are correct
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Site order book is used for recording
A. Instructions by the executive engineers
B. Construction measurements
C. Issue of store equipments
D. Names of the casual labour
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The object of technical planning, is
A. Preparation of specifications
B. Preparation of estimates
C. Initiating the procurement action of resources
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The time corresponding to minimum total project cost is
D. Between normal time and crash time
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Rolling resistance of a wheel depends upon (i) Vehicle load (ii) Grade (iii) Ground conditions Of these statements
B. (i) and (ii) are correct
C. (i) and (iii) are correct
D. (ii) and (iii) are correct
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Optimistic time, most likely time and pessimistic times for the activities of a network in the given figure are written above their arrows. If the contractual obligation time for the project is 75, the latest occurrence time for the event 2, is
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Slack time refers to
C. Both event and activity
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An earth moving equipment costs Rs. 5,00,000 and has an estimated life of 10 years and a salvage value of Rs. 50,000. What uniform annual amount must be set aside at the end of each of the 10 years for replacement if the interest rate is 8% per annum and if the sinking fund factor at 8% per annum interest rate for 10 years is 0.069?
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Pick up the correct statement from the following with regards to C.P.M. network analysis of projects
A. The latest occurrence time of the node of which the activity arrow terminates minus the duration of the activity, is called latest start time
B. The latest occurrence time for the node at which the activity arrow terminates, is called latest finish time
C. Earliest occurrence time of the event from which the activity arrow' originates, is called earliest start time of the activity
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A critical ratio scheduling
A. Determines the status of each activity
B. Adjusts automatically changes in activity progress