A Best Way To Crack Gorenment Job Exams

Civil Engineering Objective Questions { Pert and Cpm }



78. Pick up the correct statement from the following with regards to C.P.M. network analysis of projects
A. Earliest occurrence time of the event from which the activity arrow originates, is called earliest start time of the activity
B. Earliest occurrence time of the event from which the activity arrow originates plus the duration of the activity, is called earliest finish time of the activity
C. The latest occurrence time of the node of which the activity arrow terminates minus the duration of the activity, is called latest start time
D. All the above.

79. Consider the following statements regarding the critical path of a project network 1. 1. A path is a set of nodes connected by arrows which begin at its initial node of the network and end at the terminal 2. The length of a path in a network is the total time it takes to travel the path 3. The shortest path in a project network is called critical path 4. Activities on the critical path are called critical activities Of these statements:
A. 1, 2 and 3 are correct
B. 2, 3 and 4 are correct
C. 1,3 and 4 are correct
D. 1, 2 and 4 are correct

80. Consider the following statements regarding the critical path in the project network. Activity durations are given along side each arrow.1. Critical path is 1-2-4-7 2. Critical path is 1-3-4-7 3. Critical path is 1.3-6-7 4. Critical path is 1-3-5-7 Of these statements:
A. 1 is correct
B. 2 is correct
C. 3 is correct
D. 4 is correct

81. Consider the following statements regarding Early start and early finish times 1. The earliest possible that the job can begin, is called the early start of the job 2. The early finish of a job is early start time plus the job's completion time 3. For jobs with no predecessors, the early start is equal to start time of the project 4. The early start of a job is the largest of the early finish times of all of the immediately predecessors. Of these statements:
A. 1 is correct
B. 1 and 2 are correct
C. 1, 2 and 3 are correct
D. 1, 2, 3 and 4 are correct

82. Consider the following definitions regarding slacks of project activities 1. The difference between the late start and early start times of a job is called the total slack. 2. The critical path is one whose jobs have zero total slack 3. The amount of time by which a job can be delayed without affecting the early start time of any job is called the free slack 4. The difference between the total slack of an activity and the minimum total slack of all its immediate successors is called free slack. Of these definitions:
A. 1 and 2 are correct
B. 2 and 3 are correct
C. 1, 2 and 3 are correct
D. 1, 2, 3, and4 are correct

83.  Consider the following statements regarding slack 1. The free slack never exceeds total slack 2. The jobs that have total slack need not necessarily have free slack 3. A job has free slack only if it has more total slack that one of its immediate successors. Of these statements :
A. 1 alone is true
B. 1 and 2 are true
C. 1 and 3 are true
D. 1, 2 and 3 are true.

84. Pick up the correct statement regarding PERT from the following :
A. Fundamental to PERT is the concept of an event
B. An event is a certain stage of completion of a project
C. Basic is the expected time required to complete activities leading up to that event
D. All the above.

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