**
A construction schedule is prepared after collecting**

**(A)**Number of operations

**(B)**Output of Labour and Machinery

**(C)**Quantity of various items

**(D)**All the above

**D**

**
Three-activities implementable in parallel, have the following time-cost relationship for direct cost component in each,
Activity A: 10 days-800 units; 9 days-900 units; 8 days-1000 units,
Activity B: 11 days-1200 units; 10 days-1350 units; 9 days-1500 units,
Activity C: 7 days-500 units; 6 days-700 days; 5 days-900 units,
The feasible range of total direct cost component for the three activities together is**

**(A)**2500 to 3400 units

**(B)**2650 to 3200 units

**(C)**2500 to 2900 units

**(D)**2600 to 3100 units

**C**

**
Crashing a project in terms of its duration would result in
1. An increase in the indirect cost.
2. A decrease in the indirect cost.
3. A decrease in the direct cost.
4. An increase in the direct cost.
of these statements________**

**(A)**1 and 4 are correct

**(B)**2 and 3 are correct

**(C)**1 and 3 are correct

**(D)**2 and 4 are correct

**D**

**
In the time-cost optimization, using CPM method for network analysis, the crashing of the activities along the critical path is done starting with the activity having**

**(A)**Longest duration

**(B)**Highest cost slope

**(C)**Least cost slope

**(D)**Shortest duration

**C**

**
In the time-cost analysis, the cost slope is defined as**

**(A)**$\frac{Crash\mathrm{cos}t-Normal\mathrm{cos}t}{Crashtime-Normaltime}$

**(B)**$\frac{Crashtime-Normaltime}{Crash\mathrm{cos}t-Normal\mathrm{cos}t}$

**(C)**$\frac{Crash\mathrm{cos}t-Normal\mathrm{cos}t}{Normaltime-Crashtime}$

**(D)**$\frac{Normal\mathrm{cos}t-Crash\mathrm{cos}t}{Normaltime-Crashtime}$

**C**