When an activity is called a critical activity?

A. When earliest start time (est) is equal to the earliest finish time (eft)
B. When earliest start time (est) plus the time taken by it is equal to the latest finish time (lft)
C. When latest start time (lst) plus the time taken by it is equal to the latest finish time(lft)
D. When earliest start time (est) plus the time taken by it is equal to the earliest finish time (eft)

From the given below statements, find the incorrect statement. i. A critical path has zero float. ii. A critical path has both critical and non-critical activities. iii. A critical path is the longest path and consumes maximum time and resources.

A. I only
B. Ii only
C. I and iii only
D. Iii only

In the given network diagram, an activity and an event are represented by a specific number and alphabet respectively. Pick the option that matches the activity2.

A. An event
B. An activity
C. A dummy activity
D. A critical activity

In the following network diagram, each event is represented by a unique alphabet. Pick the option that matches the number 4.

A. An event
B. An activity
C. A dummy activity
D. A critical activity

Each activity in the following given network diagram is represented by a specific number. Pick the option that matches the alphabet “B”.

A. An event
B. An activity
C. A dummy activity
D. A critical activity

Identify a dummy activity in the below-shown network diagram.

A. Activity 1
B. Activity 6
C. Activity 8
D. Activity 2

Among the following, pick the option that can be an example of an activity.

A. Start the motor
B. Loan approved
C. Refund successful
D. Arrange foreign exchange

Which of the following can be an example of an event?

A. Start the motor
B. Install machinery
C. Refund money
D. Arrange foreign exchange

How an activity is represented?

A.
B.
C.
D. View

What is a critical activity?

A. A specific instant of time which marks the start and the end of an activity
B. It is an element of the project and has a specific time duration
C. It is a dotted line connecting the two head events and consumes no time
D. An activity which if consumes more time than the estimated time that results in the delay of the entire project