The time by which a particular activity can be delayed without affecting the preceding and succeeding activities is known as_______________?

Related Mcqs:

1. 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________________?

   A. longest duration
   B. highest cost slope
   C. least cost slope
   D. shortest duration

2. 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______________?

   A. expected time of activity A is greater than the expected time of activity B
   B. expected time of activity B is greater than the expected time of activity A
   C. expected time of both activities A and B are same
   D. none of the above

3. The correct sequence of these activities is________________?

   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

   A. 1,3,2,4
   B. 3,1,4,2
   C. 3,1,2,4
   D. 1,3,4, 2

4. In PERT analysis, the time estimates of activities and probability of their occurrence follow_______________?

   A. normal distribution curve
   B. Poisson’s distribution curve
   C. Beta – distribution curve
   D. none of the above

5. Which of the following does not represent an activity?

   A. site located
   B. foundation is being dug
   C. the office area is being cleaned
   D. the invitations are being sent

6. Latest start of an activity is always________________?

   A. greater than or equal to latest event time of preceding node
   B. less than or equal to latest event time of preceding node
   C. equal to latest event time of preceding node
   D. less than latest event time of preceding node

7. A father notes that when his teenage daughter uses the telephone, she takes not less than 6 minutes for a call and som? times as much as an hour. Fifteen minutes call are more frequent than calls of any other duration. If these phone calls were an activity in PERT project, then phone calls expected duration will be_______________?

   A. 15 minutes
   B. 20.143 minutes
   C. 21 minutes
   D. 27 minutes

8. The probability of completion of any activity within its expected time is_________________?

   A. 50%
   B. 84.1%
   C. 99.9%
   D. 100%

9. 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___________________?

   A. 3.5 and 5/6
   B. 5 and 25/36
   C. 3.5 and 25/36
   D. 4 and 5/6

10. In the network shown in Fig. (15 fig) the latest start time of an activity 4-5 is_________________?

    A. 2
    B. 4
    C. 8
    D. 7