In the critical path of construction planning, free float can be

Less than the independent float

Greater than the independent float

Less than the independent float

Quality circles in the construction industry can have the following participants

Contractors and raw materials suppliers

In PERT analysis of a project having large number of activities in its critical path, which of the following assumption is correct?

Both activity durations and project completion time follow β- distribution

Both activity durations and project completion time follow normal distribution

Activity durations follow normal distribution, but project completion time follows β- distribution

Activity durations follow β - distribution, but project completion time follows normal distribution

A float (or slack) in a critical path method (CPM) is amount of time that a task can be delayed without causing any delay to

Subsequent tasks and project completion date

Contractor X is developing his bidding strategy against Contractor Y. The ratio of Y's bid price to X's cost for the 30 previous bids in which Contractor X has competed against Contractor Y is given in the TableRation of Y’s bid Price of X’s costNumber of bids1.0261.04121.0631.1061.123 Based on the bidding behaviour of the Contractor Y, the probability of winning against Contractor Y at a mark up of 8% for the next project is

more than 50% but less than 100%

In project network analysis, which of the following statements is TRUE?

All activities joining two critical events are necessarily critical

All critical activities must join two critical events

All activities joining two critical events are necessarily critical

Some activities having non-zero floats can be critical

Dummy activities can never become critical

ABC analysis is referred to as

Alphabetical Backup Crane analysis

Analytical Boost Crane analysis

In PERT network analysis, the critical path is defined as

a path with sum of duration of all activities having positive slack values.

a path with smallest sum of duration of activities on it.

a path with nodes having positive slack values.

a path with nodes having zero slack values.

In a bar chart the vertical axis represents

Various activities of the project

A dummy activity is one which

Requires people, but not the time

Requires time but no other resources

Requires neither time nor any other resources

Requires people, but not the time

Requires people and time, but no money

In Construction Management, the Critical Path Network helps an engineer

To concentrate his attention on critical activities

To divert the resources from non-critical advanced activities to critical activities

To be cautious for avoiding any delay in the critical activities to avoid delay of the whole project

CPM in project management stands for:

Construction Planning & Management

Gantt charts indicate

Comparison of actual progress with the scheduled progress

Corporate Social Responsibility (CSR) means?

Corporate life having social responsibilities

Compliance of social and ecological responsibility of the companies or organizations

Corporate life having social responsibilities

Corporate life having all social responsibilities to be followed

If to, tp and tm are the optimistic, pessimistic and most likely time estimates of an activity respectively, then the expected time ‘t’ of the activity will be:

\(\frac{{{t_o} + {t_p} + {t_m}}}{3}\)

\({{{t_o} + {t_p} + 3{t_m}}}{5}\)

\(\frac{{{t_o} + {t_p} + 2{t_m}}}{4}\)

\(\frac{{{t_o} + {t_p} + 4{t_m}}}{6}\)

Fulkerson’s rule is connected with the

creation of a parallel activity

63 + Mcqs in Project Planning in Software Engg Page 1 McqOptions

1.	In the critical path of construction planning, free float can be
A.	Greater than the total float
B.	Less than the total float
C.	Greater than the independent float
D.	Less than the independent float
Answer» D. Less than the independent float

Discussion

2.	Quality circles in the construction industry can have the following participants
A.	Engineers and architects
B.	Contractors and raw materials suppliers
C.	Clients and consultants
D.	All of the above
Answer» E.

Discussion

3.	Independent float is an amount of time by which the start of an activity may be delayed without affecting1. the preceding or the following activity2. the start of a following activity3. the completion of the project
A.	1 only
B.	2 only
C.	3 only
D.	1, 2 and 3
Answer» E.

Discussion

4.	In PERT, how much probability is considered for expected activity duration?
A.	33%
B.	50%
C.	67%
D.	99%
Answer» C. 67%

Discussion

5.	A scaled drawing of the proposed construction site showing all the relevant features such as entry and exit points to the site, storage area for materials, toilets, workers quarters, etc. is called
A.	Construction Plan
B.	Job Layout
C.	Development Plan
D.	Architectural Plan
Answer» C. Development Plan

Discussion

6.	In PERT analysis of a project having large number of activities in its critical path, which of the following assumption is correct?
A.	Both activity durations and project completion time follow β- distribution
B.	Both activity durations and project completion time follow normal distribution
C.	Activity durations follow normal distribution, but project completion time follows β- distribution
D.	Activity durations follow β - distribution, but project completion time follows normal distribution
Answer» E.

Discussion

7.	Activities A, B, C and D constitute a small project; their interrelationship, expected duration and standard deviation of this expected duration are shown in the figure, respectively. With a view to improving the speed of implementation, each of B, C and D are split into three equal segments, maintaining appropriate inter-relationships between A and each of these nine segments. What will be the standard deviation of the modified project duration after segmentation (to the nearest \(\frac{1}{{10}}\) unit)?
A.	6.2
B.	5.6
C.	5.2
D.	4.6
Answer» B. 5.6

Discussion

8.	A float (or slack) in a critical path method (CPM) is amount of time that a task can be delayed without causing any delay to
A.	Subsequent tasks and project completion date
B.	Interdependent tasks
C.	Subsequent tasks only
D.	Preceding tasks
E.	Project completion date only
Answer» B. Interdependent tasks

Discussion

9.	In PERT analysis, the time estimates of activities follow
A.	normal distribution curve
B.	β -distribution curve
C.	Poisson’s distribution curve
D.	binomial distribution curve
Answer» C. Poisson’s distribution curve

Discussion

10.	Mile stone chart is an improvement over
A.	Bar chart
B.	CPM Scheduling
C.	PERT scheduling
D.	OPST scheduling
Answer» B. CPM Scheduling

Discussion

11.	In Network Analysis the commencement or completion of an activity is called
A.	Time
B.	Duration
C.	Event
D.	Period
Answer» D. Period

Discussion

12.	Independent float of an activity (i, j) is denoted by IF (i, j). The earliest occurrence times of i and j are denoted by Ei and Ej respectively. The latest occurrence times of i and j are denoted by Li and Lj respectively. D (i, j) indicates the duration of the activity.
A.	Ej – Li - D (i, j)
B.	Lj – Ei - D (i, j)
C.	Lj – Ej - D (i, j)
D.	Ej - Ei
Answer» B. Lj – Ei - D (i, j)

Discussion

13.	In PERT, the time estimates of activities are probabilistic and the probability of their occurrence follows
A.	Binomial distribution
B.	β - distribution
C.	Normal distribution
D.	Poisson’s distribution
Answer» C. Normal distribution

Discussion

14.	If D is the duration, ES and EF are the earliest start time and earliest finish time, LS and LF are the latest start time and latest finish time, then the following relation(s) hold(s) good :A. EF = ES + DB. LS = LF – DC. D = EF – ESSelect the code for the correct answer from the options given below :
A.	A and C only
B.	A and B only
C.	C only
D.	A,B,C
Answer» E.

Discussion

15.	A _______ is similar to an activity but it does not consume any resources.
A.	Dummy
B.	Event
C.	Slack
D.	None of the above
Answer» B. Event

Discussion

16.	Contractor X is developing his bidding strategy against Contractor Y. The ratio of Y's bid price to X's cost for the 30 previous bids in which Contractor X has competed against Contractor Y is given in the TableRation of Y’s bid Price of X’s costNumber of bids1.0261.04121.0631.1061.123 Based on the bidding behaviour of the Contractor Y, the probability of winning against Contractor Y at a mark up of 8% for the next project is
A.	100%
B.	0%
C.	more than 50% but less than 100%
D.	more than 0% but less than 50%
Answer» E.

Discussion

17.	In project network analysis, which of the following statements is TRUE?
A.	All critical activities must join two critical events
B.	All activities joining two critical events are necessarily critical
C.	Some activities having non-zero floats can be critical
D.	Dummy activities can never become critical
Answer» B. All activities joining two critical events are necessarily critical

Discussion

18.	ABC analysis is referred to as
A.	Always Better Control analysis
B.	Alphabetical Backup Crane analysis
C.	Analytical Boost Crane analysis
D.	None of the above
Answer» B. Alphabetical Backup Crane analysis

Discussion

19.	It is estimated that an activity can be assigned an optimistic duration of 16 days, a pessimistic duration of 28 days and a most likely duration of 19 days. What is the expected duration for this activity?
A.	20 days
B.	19 days
C.	22 days
D.	18 days
Answer» B. 19 days

Discussion

20.	In PERT network analysis, the critical path is defined as
A.	a path with sum of duration of all activities having positive slack values.
B.	a path with smallest sum of duration of activities on it.
C.	a path with nodes having positive slack values.
D.	a path with nodes having zero slack values.
Answer» E.

Discussion

21.	Consider the following rules of the network diagram and state which of them are correct:(i) Network always has a single initial and final event.(ii) An event can occur twice.(iii) No activity can start until its tail end event has occurred.(iv) It is usual practice to show time flow from right to left.
A.	(i), (ii) and (iii)
B.	(i) and (iii)
C.	(i), (iii) and (iv)
D.	(i), (ii), (iii) and (iv)
Answer» C. (i), (iii) and (iv)

Discussion

22.	In a bar chart the vertical axis represents
A.	Time
B.	Types of activities
C.	Number of labors
D.	Various activities of the project
Answer» E.

Discussion

23.	Consider the following activity for the total project:ActivityImmediate PredecessorsDuration (DaysA-10B-9CA9DA8EB7FB11GD, E5 The total project duration for the critical path will be
A.	25 days
B.	23 days
C.	21 days
D.	19 days
Answer» C. 21 days

Discussion

24.	In a CPM network latest finish time for an event I is 8 weeks. Activity I-J takes 4 weeks for completion.Event J starts after 12 weeks. Float for activity I-J is
A.	4 weeks
B.	8 weeks
C.	12 weeks
D.	0 weeks
Answer» E.

Discussion

25.	In an activity, if the latest start time is 28 days & the earliest start time is 18 days then the total float shall be
A.	46 days
B.	10 days
C.	14 days
D.	9 days
Answer» C. 14 days

Discussion

26.	A part of quality management system, that indicates the degree to which design quality is achieved in the actual construction work is called:
A.	Quality of assurance
B.	Quality of design
C.	Quality of conformance
D.	Quality of performance
Answer» D. Quality of performance

Discussion

27.	Consider the following assembly with different operations :OperationStandard time, minutesA60B65C29D37E28F63G36H126K64 There are 250 working days in a year to produce 4000 units in a year. The minimum number of work stations required will be
A.	13
B.	12
C.	11
D.	10
Answer» B. 12

Discussion

28.	List the following processes in their correct sequence, from earliest to latest, in project implementation planning:1. Project duration2. Resource histogram3. Standardized input/ performance for each activity including alternatives4. WBS5. Resource optimization considering constraints6. Activities and their inter-relationshipsSelect the correct answer using the code given below.
A.	2, 1, 3, 5, 6 and 4
B.	2, 6, 3, 5, 1 and 4
C.	4, 1, 3, 5, 6 and 2
D.	4, 6, 3, 5, 1 and 2
Answer» E.

Discussion

29.	A dummy activity is one which
A.	Requires time but no other resources
B.	Requires machinery but no time
C.	Requires neither time nor any other resources
D.	Requires people, but not the time
E.	Requires people and time, but no money
Answer» D. Requires people, but not the time

Discussion

30.	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. Event 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.
A.	1 and 2 only
B.	2 and 3 only
C.	1 and 3 only
D.	1, 2 and 3
Answer» E.

Discussion

31.	A bar chart is drawn for
A.	time versus activity
B.	activity versus resources
C.	resources versus progress
D.	progress versus time
Answer» B. activity versus resources

Discussion

32.	In PERT, If To and Tp are optimistic time and pessimistic time which an activity takes for its performance, then assumed standard deviation to measure uncertainty is taken as
A.	(To + Tp)/6
B.	(4To + 2Tp)/6
C.	(2To + 4Tp)/6
D.	(Tp – To)/6
Answer» E.

Discussion

33.	Bar charts are considered to be suitable for
A.	minor works
B.	major works
C.	dam constructions
D.	large projects
Answer» B. major works

Discussion

34.	Activity A, Activity B and Activity C are cast into a ladder diagrammatic CPM network, with splitting each into three equal parts as A1, A2, A3 and B1, B2, B3; and C1, C2, C3 Typical sequencing as in a ladder diagram is adopted (like B2 following A2 and B1). The optimum number of dummy arrows needed for a satisfactory and correct ladder diagram will be
A.	1
B.	2
C.	3
D.	4
Answer» C. 3

Discussion

35.	Consider the following statement associated with critical path:1. Critical path is the most important sequence of activities which has no float and which determine the project completion period2. Critical path is the largest path with shortest duration within which the project can be completed3. The difference between early start time and late finish time must be equal to the activity duration4. Cannot pass through dummy activityWhich is among the above are correct statements?
A.	1, 2 and 4
B.	1, 3 and 4
C.	1, 2 and 3
D.	1, 2, 3 and 4
Answer» D. 1, 2, 3 and 4

Discussion

36.	If an activity has its optimistic, most likely and pessimistic times as 2, 4 and 9 respectively, then its expected time and variance are ____ and ______ respectively?
A.	4.5 and 7/6
B.	7 and 49/36
C.	4.5 and 49/36
D.	7 and 7/6
Answer» D. 7 and 7/6

Discussion

37.	In Construction Management, the Critical Path Network helps an engineer
A.	To concentrate his attention on critical activities
B.	To divert the resources from non-critical advanced activities to critical activities
C.	To be cautious for avoiding any delay in the critical activities to avoid delay of the whole project
D.	All of the above
Answer» E.

Discussion

38.	Duration along the critical path defines which of the following? A. Shortest duration needed B. Shortest duration permissible C. Longest duration needed D. Longest duration permissible Select the code for the correct answer from the options given below:
A.	A and B only
B.	A and D only
C.	B and C only
D.	C and D only
Answer» C. B and C only

Discussion

39.	Free float can be associated with which of the following?1. In one of two sub-paths between any two adjacent nodes2. In the last activity in the sub-paths, less by at least one of the sub-paths, between any two nodes3. Following all sub-activities in a laddered network4. Whenever mandatory calendar dates are prescribed for major milestone eventsSelect the correct answer using the code given below.
A.	1, 2 and 3
B.	1, 3 and 4
C.	2, 3 and 4
D.	1, 2 and 4
Answer» E.

Discussion

40.	If to, tp and tm are the optimistic, pessimistic, and most likely time estimates of activity respectively, the expected time t of the activity will be
A.	(to+3tm+tp)/2
B.	(to+3tm+tp)/3
C.	(to+4tm+tp)/4
D.	(to+4tm+tp)/5
E.	(to+4tm+tp)/6
Answer» F.

Discussion

41.	A dummy activity in a project network does not consume
A.	Time
B.	Material
C.	Money
D.	All the above
Answer» E.

Discussion

42.	If the expected time for completion of a project is 10 days with a standard deviation of 2 days, the anticipated time of completion of the project with 99.9% probability is
A.	16 days
B.	12 days
C.	10 days
D.	6 days
Answer» B. 12 days

Discussion

43.	In a CPM network latest finish time for an event i is 10 weeks. Activity i - j takes 4 weeks for Completion . Event J starts after 16 weeks. Total Float for activity i - j is
A.	6 weeks
B.	12 weeks
C.	10 weeks
D.	2 weeks
Answer» E.

Discussion

44.	CPM in project management stands for:
A.	Critical Path Method
B.	Construction Planning & Management
C.	Control Project Management
D.	Construction Project Manpower
Answer» B. Construction Planning & Management

Discussion

45.	Gantt charts indicate
A.	Comparison of actual progress with the scheduled progress
B.	Balance of work to be done
C.	Progressive cost of project
D.	Inventory costs
Answer» B. Balance of work to be done

Discussion

46.	Gantt chart provides information about
A.	Breakeven point analysis
B.	Production schedule
C.	Material handling layout
D.	Determining selling price
Answer» C. Material handling layout

Discussion

47.	Corporate Social Responsibility (CSR) means?
A.	Complications of social life
B.	Compliance of social and ecological responsibility of the companies or organizations
C.	Corporate life having social responsibilities
D.	Corporate life having all social responsibilities to be followed
Answer» C. Corporate life having social responsibilities

Discussion

48.	If to, tp and tm are the optimistic, pessimistic and most likely time estimates of an activity respectively, then the expected time ‘t’ of the activity will be:
A.	\(\frac{{{t_o} + {t_p} + {t_m}}}{3}\)
B.	\({{{t_o} + {t_p} + 3{t_m}}}{5}\)
C.	\(\frac{{{t_o} + {t_p} + 2{t_m}}}{4}\)
D.	\(\frac{{{t_o} + {t_p} + 4{t_m}}}{6}\)
Answer» E.

Discussion

49.	Fulkerson’s rule is connected with the
A.	numbering of event in PERT/CPM
B.	creation of a parallel activity
C.	queueing theory
D.	elimination of dummy activity
Answer» B. creation of a parallel activity

Discussion

50.	Critical Path is always
A.	the longest path
B.	the shortest path
C.	the most profitable path
D.	the fastest path
Answer» B. the shortest path

Discussion

Explore topic-wise MCQs in Software Engg.

In the critical path of construction planning, free float can be

Quality circles in the construction industry can have the following participants

Independent float is an amount of time by which the start of an activity may be delayed without affecting1. the preceding or the following activity2. the start of a following activity3. the completion of the project

In PERT, how much probability is considered for expected activity duration?

A scaled drawing of the proposed construction site showing all the relevant features such as entry and exit points to the site, storage area for materials, toilets, workers quarters, etc. is called

In PERT analysis of a project having large number of activities in its critical path, which of the following assumption is correct?

A float (or slack) in a critical path method (CPM) is amount of time that a task can be delayed without causing any delay to

In PERT analysis, the time estimates of activities follow

Mile stone chart is an improvement over

In Network Analysis the commencement or completion of an activity is called

Independent float of an activity (i, j) is denoted by IF (i, j). The earliest occurrence times of i and j are denoted by Ei and Ej respectively. The latest occurrence times of i and j are denoted by Li and Lj respectively. D (i, j) indicates the duration of the activity.

In PERT, the time estimates of activities are probabilistic and the probability of their occurrence follows

A _______ is similar to an activity but it does not consume any resources.

In project network analysis, which of the following statements is TRUE?

ABC analysis is referred to as

It is estimated that an activity can be assigned an optimistic duration of 16 days, a pessimistic duration of 28 days and a most likely duration of 19 days. What is the expected duration for this activity?

In PERT network analysis, the critical path is defined as

In a bar chart the vertical axis represents

Consider the following activity for the total project:ActivityImmediate PredecessorsDuration (DaysA-10B-9CA9DA8EB7FB11GD, E5 The total project duration for the critical path will be

In a CPM network latest finish time for an event I is 8 weeks. Activity I-J takes 4 weeks for completion.Event J starts after 12 weeks. Float for activity I-J is

In an activity, if the latest start time is 28 days & the earliest start time is 18 days then the total float shall be

A part of quality management system, that indicates the degree to which design quality is achieved in the actual construction work is called:

Consider the following assembly with different operations :OperationStandard time, minutesA60B65C29D37E28F63G36H126K64 There are 250 working days in a year to produce 4000 units in a year. The minimum number of work stations required will be

A dummy activity is one which

A bar chart is drawn for

In PERT, If To and Tp are optimistic time and pessimistic time which an activity takes for its performance, then assumed standard deviation to measure uncertainty is taken as

Bar charts are considered to be suitable for

If an activity has its optimistic, most likely and pessimistic times as 2, 4 and 9 respectively, then its expected time and variance are ____ and ______ respectively?

In Construction Management, the Critical Path Network helps an engineer

Duration along the critical path defines which of the following? A. Shortest duration needed B. Shortest duration permissible C. Longest duration needed D. Longest duration permissible Select the code for the correct answer from the options given below:

If to, tp and tm are the optimistic, pessimistic, and most likely time estimates of activity respectively, the expected time t of the activity will be

A dummy activity in a project network does not consume

If the expected time for completion of a project is 10 days with a standard deviation of 2 days, the anticipated time of completion of the project with 99.9% probability is

In a CPM network latest finish time for an event i is 10 weeks. Activity i - j takes 4 weeks for Completion . Event J starts after 16 weeks. Total Float for activity i - j is

CPM in project management stands for:

Gantt charts indicate

Gantt chart provides information about

Corporate Social Responsibility (CSR) means?

If to, tp and tm are the optimistic, pessimistic and most likely time estimates of an activity respectively, then the expected time ‘t’ of the activity will be:

Fulkerson’s rule is connected with the

Critical Path is always

If an activity has its optimistic, most likely and pessimistic times as 2, 4 and 9 respectively, then its expected time and variance are and __ respectively?