For completion of a project, the critical path of the network represents
Minimum time
Maximum time
Maximum cost
Minimum cost
Correct Answer :
A. Minimum time
Related Questions
The most suitable type of equipment for compaction of cohesive soils is
Smooth-wheeled rollers
Vibratory rollers
Sheep foot rollers
Tampers
Completion of an activity on CPM network diagram, is generally known
Event
Node
Connector
All the above
Pick up the correct statement from the following with regards to C.P.M. network analysis of projects
The latest occurrence time of the node of which the activity arrow terminates minus the duration of the activity, is called latest start time
The latest occurrence time for the node at which the activity arrow terminates, is called latest finish time
Earliest occurrence time of the event from which the activity arrow' originates, is called earliest start time of the activity
All the above
In the time-cost optimisation, using CPM method for network analysis, the crashing of the activities along the critical path is done starting with the activity having
Longest duration
Highest cost slope
Least cost slope
Shortest duration
In PERT analysis, the time estimates of activities and probability of their occurrence follow
Normal distribution curve
Poisson's distribution curve
Beta distribution curve
None of the above
If an activity has its optimistic, most likely and pessimistic times as 2, 3 and 7 respectively, then its expected time and variance are respectively
3.5 and 5/6
5 and 25/36
3.5 and 25/36
4 and 5/6
For a given size of bucket, the ideal output of a dragline will be least in
Moist loam
Sand and gravel
Good common earth
Wet sticky clay
Batching refers to
Controlling the total quantity at each batch
Weighing accurately, the quantity of each material for a job before mixing
Controlling the quantity of each material into each batch
Adjusting the water to be added in each batch according to the moisture content of the materials being mixed in the batch
PERT analysis is based on
Optimistic time
Pessimistic time
Most likely time
All the above
The critical activity has
Maximum float
Minimum float
Zero float
None of these
Economic saving of time results by crashing
Cheapest critical activity
Cheapest noncritical activity
Costliest critical activity
Costliest noncritical activity
Which of the following earth moving machines has the shortest cycle time?
Drag line
Hoe
Clam shell
Dipper shovel
A machine is purchased for Rs. 10,000,00 and has an estimated life of 10 years. The salvage value at the end of 10 years is Rs. 1,50,000. The book value of the machine at the end of 5 years using general straight line method of evaluation of depreciation is
Rs. 4,75,000
Rs. 5,75,000
Rs. 6,50,000
Rs. 8,50,000
Consider the following statements: In the critical path method of construction planning, Free Float can be.
1. Greater than Total Float.
2. Greater than Independent Float
3. Equal to Total Float.
4. Less than Independent Float. Of these statements
1 and 4 are correct
2 and 3 are correct
1 and 4 are correct
1 and 2 are correct
The reduction in project time normally results in
Decreasing the direct cost and increasing indirect cost
Increasing the direct cost and decreasing the indirect cost
Increasing the direct cost and indirect cost both
Decreasing the direct cost and indirect cost both
If the excavation of earth is done manually then it costs Rs. 10 per cum. A machine can excavate at a fixed cost of Rs. 4000 plus a variable cost of Rs. 2 per cum. The quantity of earth for which the cost of excavation by machine will be equal to the cost of manual excavation is
500 cum
1000 cum
1500 cum
2000 cum
A machine costs Rs. 20000 and its useful life is 8 years. The money is borrowed at 8% interest per annum. The capital recovery factor at 8% interest per annum for 8 years is 0.174. The annual equipment cost of the machine will be
Rs. 1740
Rs. 3480
Rs. 5220
Rs. 6960
In resources levelling
Total duration of project is reduced
Total duration of project is increased
Uniform demand of resources is achieved
Cost of project is controlled
Military organisation is known as
Line organisation
Line and staff organisation
Functional organisation
None of these
Modular co-ordination of construction means proper
Planning
Designing
Execution
All the above
In time-cost optimization of a project, crashing is done.
On all the activities
On all the activities lying on the critical path
Only on activities lying on the original critical path and having flatter cost slopes
On original critical activities and those that become critical at any stage of crashing in the order of ascending cost slope
A contractor has two options;
(I): Invest his money in project A or
(II): Invest his money in project B.
If he decides to invest in A, for every rupee invested, he is assured of doubling his money in ten years. If he decides to invest in B, he is assured of making his money 1.5 times in 5 years. If the contractor values his money at 10% interest rate, he
Should invest in neither of the two projects
Could invest in either of the two projects
Should invest in project A
Should invest in project B
The first method invented for planning projects, was
Bar chart method
Milestone chart
Critical path method (CPM)
Programme Evaluation and Review Technique (PERT)
The original cost of an equipment is Rs.10,000. Its salvage value at the end of its total useful life of five years is Rs. 1,000. Its book value at the end of two years of its useful life (as per straight line method of evaluation of depreciation) will be
Rs. 8,800
Rs. 7,600
Rs. 6,400
Rs. 5,000
The probability of completion of any activity within its expected time is
50 %
84.1 %
99.9 %
100 %
Pick up the incorrect statement from the following:
The activity is the time consuming part of a project
The beginning and end of a job, are called events
The activity which consumes maximum time, is called a node
Logically and sequentially connected activities and events form a network
The constraints in case of resource smoothening operation would be
Resources
Project duration time
Both resources and project duration time
None of the above
Consider the following operations:
1. Drilling
2. Blasting
3. Mucking
4. Placing steel
5. Placing concrete
The correct sequence of these operations in tunnel construction is
1, 2, 4, 3, 5
1, 3, 2, 4, 5
1, 2, 3, 4, 5
1, 3, 4, 2, 5
Pick up the correct statement from the following:
Earliest expected time is denoted by TE
Latest occurrence time is denoted by TL
Contractual obligation time is denoted by Ts
All the above
A construction schedule is prepared after collecting
Number of operations
Output of labour
Output of machinery
All the above