1. PERT technique of network analysis is mainly useful for
a) small projects
b) large and complex projects
c) research and development projects
d) deterministic activities
Ans: c
2. Select the correct statement.
a) Activity arrows in a CPM network are drawn to scale
b) The tail of an arrow represents the finish of an activity
c) Arrow bead represents the start of an activity
d) none of the above
Ans: d
3. Which of the following is a weakness of bar chart ?
a) interdependencies of activities
b) project progress
c) uncertainties
d) all of the above
Ans: d
4. In the network shown in Fig., activity 4-5 can be started only when
a) activity 3-4 is completed
b) activity 2—4 is completed
c) activity 2-3 is completed
d) activity 2-4 and 2>-A both are com-pleted
Ans: d
5. Which of the following is not a PERT event ?
a) site investigation started
b) sessional work completed
c) bus starts from Jaipur
d) class is being attended
Ans: d
6. 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
Ans: c
7. The area under the Beta - distribution curve is divided into two equal parts by
a) most likely time
b) optimistic time
c) pessimistic time
d) expected time
Ans: d
8. According to Fulkerson's rule, what are the correct event numbers corresponding to events
A, B, C, D,E, F and G of the network shown in Fig. ?
a) 1, 2,3, 4, 5, 6 and 7 respectively
b) 1, 3,2,4, 5,6 and 7 respectively
c) 1,2, 3, 5, 6,4 and 7 respectively
d) 1, 3,2, 5, 6,4 and 7 respectively
Ans: b
9. With reference to the network shown in Fig. , which statement is incorrect ?
a) Events 3 and 4 occur after event 2.
b) Event 7 can occur after event 4.
c) Event 7 precedes event 6.
d) Event 5 follows event 3.
Ans: b
10. In the network shown in Fig., the concurrent and preceding activities corresponding to
activity 2-4 are respectively
a) 1-2 and 4-7
b) 2-3 and 1-2
c) 2-3 and 4-7
d) 1-2 and 3-6
Ans: b
11. 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
Ans: a
12. Earliest finish of an activity is always
a) greater than earliest event time of the following node
b) less than earliest event time of the following node
c) less than or equal to earliest event time of the following node
d) greater than or equal to earliest event time of the following node
Ans: c
13. Select the incorrect statement.
a) Earliest start of an activity is the early event time of the node it leaves.
b) Latest finish of an activity is the late event time of the node it enters.
c) Latest start of an activity is its latest finish minus its duration.
d) none of the above
Ans: d
14. In the network shown in Fig. the earliest start time of activity 5-6 is (the number on the
arrow shows duration of the activity)
a) 7
b) 8
c) 9
d) 5
Ans: c
15. 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
Ans: a
a) small projects
b) large and complex projects
c) research and development projects
d) deterministic activities
Ans: c
2. Select the correct statement.
a) Activity arrows in a CPM network are drawn to scale
b) The tail of an arrow represents the finish of an activity
c) Arrow bead represents the start of an activity
d) none of the above
Ans: d
3. Which of the following is a weakness of bar chart ?
a) interdependencies of activities
b) project progress
c) uncertainties
d) all of the above
Ans: d
4. In the network shown in Fig., activity 4-5 can be started only when
a) activity 3-4 is completed
b) activity 2—4 is completed
c) activity 2-3 is completed
d) activity 2-4 and 2>-A both are com-pleted
Ans: d
5. Which of the following is not a PERT event ?
a) site investigation started
b) sessional work completed
c) bus starts from Jaipur
d) class is being attended
Ans: d
6. 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
Ans: c
7. The area under the Beta - distribution curve is divided into two equal parts by
a) most likely time
b) optimistic time
c) pessimistic time
d) expected time
Ans: d
8. According to Fulkerson's rule, what are the correct event numbers corresponding to events
A, B, C, D,E, F and G of the network shown in Fig. ?
a) 1, 2,3, 4, 5, 6 and 7 respectively
b) 1, 3,2,4, 5,6 and 7 respectively
c) 1,2, 3, 5, 6,4 and 7 respectively
d) 1, 3,2, 5, 6,4 and 7 respectively
Ans: b
9. With reference to the network shown in Fig. , which statement is incorrect ?
a) Events 3 and 4 occur after event 2.
b) Event 7 can occur after event 4.
c) Event 7 precedes event 6.
d) Event 5 follows event 3.
Ans: b
10. In the network shown in Fig., the concurrent and preceding activities corresponding to
activity 2-4 are respectively
a) 1-2 and 4-7
b) 2-3 and 1-2
c) 2-3 and 4-7
d) 1-2 and 3-6
Ans: b
11. 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
Ans: a
12. Earliest finish of an activity is always
a) greater than earliest event time of the following node
b) less than earliest event time of the following node
c) less than or equal to earliest event time of the following node
d) greater than or equal to earliest event time of the following node
Ans: c
13. Select the incorrect statement.
a) Earliest start of an activity is the early event time of the node it leaves.
b) Latest finish of an activity is the late event time of the node it enters.
c) Latest start of an activity is its latest finish minus its duration.
d) none of the above
Ans: d
14. In the network shown in Fig. the earliest start time of activity 5-6 is (the number on the
arrow shows duration of the activity)
a) 7
b) 8
c) 9
d) 5
Ans: c
15. 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
Ans: a
