Gantt charts indicate

A serious limitation of inter dependencies between various activities is generally observed in

Consider the following statements in work breakdown structure: 1. It is a graphical representation of entire programme. 2. The Top-Down approach to planning is adopted. 3. The Down-Top approach to planning is adopted. 4. It is suitable for complex projects. Which of the above statements is/are correct?

In an activity-on-arrow network, which of the following rules of network logic are mandatory? 1. Any two events can be directly connected by not more than one activity. 2. Events numbers should not be duplicated in a network. 3. Before an activity may begin, all the activities preceding it must be completed. Select the correct answer using the code given below.

The optimistic, most likely and pessimistic time estimates of an activity are 5, 10 and 21 days respectively. What are the expected time and standard deviation?

Which one of the following relates to determination of critical path in PERT?

Three activities F, G and H are to be performed in the said sequence and for the whole stretch of the project need 15, 21 and 27 days respectively. If a ladder network is adopted with one-third of each activity as the laddered activity, the saving in total project time in days will be

Which of the following statements is/are correct? 1. An activity is in between two node numbers, which need not be in an increasing order in the activity progress sequence. 2. The length of the arrow in a network has certain significance. 3. Concurrent activities are mutually independent and can possible be taken up simultaneously.

Which one of the following is relevant to activity on Node (AON)?

Which system of network given below completely eliminates the use of dummy activities?