Construction Planning and Management
Consider the following features/factors: 1. Projects are of the non-repetitive type 2. Time required need not be known 3. Time required is known precisely 4. Events have been established for planning 5. Emphasis is given to activities of project PERT is preferred for planning because of

1, 2 and 5
3, 4 and 5
1, 2 and 4
1, 3 and 4

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Construction Planning and Management
Batching refers to

Weighing accurately, the quantity of each material for a job before mixing
Controlling the total quantity at each batch
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

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Construction Planning and Management
A contractor has two options;(l) : 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
should invest in project B
should invest in project A
could invest in either of the two projects

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Construction Planning and Management
If the optimistic time, most likely time and pessimistic time for activity A are 4, 6 and 8 respectively and for activity B are 5, 5.5 and 9 respectively, then

None of these
expected time of activity A is greater than the expected time of activity B
expected time of activity B is greater than the expected time of activity A
expected time of both activities A and B are same

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