CM 4101 Exam 1

Based on the ES, EF, LS, LF, TF, FF values from the above precedence diagram If activity Demo Shed is delayed for 2 days, the project will be delayed for Select one: a. 3 days b. 1 day c. 4 days d. 0 day

0 day

There is an activity, installing exterior sheathing. A crew can install 1,200 sf per day, and the total quantity is 3,200 SF. What is the duration of this activity? a. 4 days b. 3 days c. 1 day d. 2 days

3 days

Given the following precedence diagram, calculate the early times, late times, total float and free float of activity What are the ES, EF, LS, LF, TF and FF values of Demo Shed Bring in Fill Security Fence Pave Parking Lot Build Playground Note: Questions from 7 to 10 are based on the ES, EF, LS, TF and FF value of the above precedence diagram Select one: a. 6,11,12,17,0,0 9,15,9,15,0,0 11,19,17,24,6,1 20,26,20,26,0,0 9,19,13,24,5,5 b. 6,11,12,17,6,0 9,15,9,15,5,0 11,18,17,24,5,1 20,26,20,26,0,0 9,19,14,22,5,0 c. 6,11,12,17,6,0 9,15,9,15,0,0 11,18,17,24,6,1 20,26,20,26,0,0 9,19,14,24,5,0 d. 6,11,12,17,6,0 9,15,9,15,0,0 11,18,17,24,6,1 20,26,20,26,0,0 9,19,14,24,5,0

6,11,12,17,6,0 9,15,9,15,0,0 11,18,17,24,6,1 20,26,20,26,0,0 9,19,14,24,5,0,

What statements about a work breakdown structure (WBS) are true? Select one or more: a. A WBS helps to organize project activities. b. A WBS usually needs to consider who is going to do a particular task. c. A WBS describes the entire scope of a project. d. The development of a WBS is a bottom up process, i.e., from project details and up.

A WBS describes the entire scope of a project., A WBS helps to organize project activities.

In the bar chart, the free float is shown as Select one: a.Lenght of the bar. b.Top of each bar c. A vertical dotted line between each activity d.A horizontal dotted line between each activity

A horizontal dotted line between each activity

There are four activities, A, B, C, and D (See Figure below). B and C depends on A. D depends on B. Which of the following are true? Select one or more: a. C is IPA of D b. A is IPA of B or C c. B is IPA of D d. A is IPA of D

A is IPA of B or C, B is IPA of D

A precedence diagram uses nodes to represent Select one: a. Resources b. Activity links c. Time d. Activities

Activities

Using the diagram below, what detail is displayed at letter C? Select one: a. Effective Days b. Job Description c. Activity Description d. Activity Duration

Activity Description

Question 3 to 7 are based on the following diagram Using the Diagram below, what detail is displayed at letter A? Select one: a. Activity Restraint b. Consecutive Activity c. Activity Duration d. Activity Description

Activity Duration

What is not true about an activity? a. An activity usually has a start time and a finish time. b. An activity may consume resources. c. An activity usually does not need to be measurable. d. An activity usually takes time.

An activity usually does not need to be measurable.

What is a major difference between an arrow diagram and a precedence diagram? Select one or more: a. An arrow diagram uses a node to represent a connection between two activities, and a precedence diagram does not. b. An arrow diagram supports critical path analysis, and a precedence diagram does not. c. An arrow diagram uses links to represent activities, and a precedence diagram does not. d. An arrow diagram uses a network representation, and a precedence diagram does not.

An arrow diagram uses links to represent activities, and a precedence diagram does not., An arrow diagram uses a node to represent a connection between two activities, and a precedence diagram does not.

What is not true about an event? Select one or more: a. An event usually consumes resources. b. An event usually takes time. c. An event is not an activity. d. An event has a start time and a finish time.

An event usually takes time., An event usually consumes resources.

What does the relationship in the following mean? Select one: a. A may finish 5 days after B starts. b. A may finish immediately after B starts. c. B may start 5 days after A is finished. d. B may start immediately after A is finished.

B may start 5 days after A is finished.

What is not true about classic bar charts? Select one or more: a. Bar charts often directly show resource consumption of each activity. b. Bar charts use a time-scaled presentation. c. Bar charts can show the relative of each activity. d. Bar charts cannot show the actual status of a project.

Bar charts often directly show resource consumption of each activity., Bar charts can show the relative of each activity.

Many times the contractor must indicate a sequence of activities as consecutive because of crews or equipment available, what is the term for this sequence called? a. Project Duration b. Critical Path c. Constraints d. Total Float

Constraints

Reorder the list to show the logic sequence for developing a network model. a. Determine quantities and assign durations to activities b. Calculate early and late start/finish times c. Schedule activity start/finish times d. Define activities e. Compute float values and identify the critical path f. Order activities g. Establish activity relationships and draw a network diagram h. Assign resources and costs a.D→F→G→A→H→B→C→E b.D→F→A→G→H→B→E→C c.D→F→A→G→H→B→C→E d. D→F→G→A→H→B→E→C

D→F→G→A→H→B→E→C

Based on the above precedence diagram If activity Security Fence is delayed for one day, the early start of its successors will be delayed Select one: a. Cannot be determined b. False c. True

False

Using traditional bar charts, it is always easy to tell the logic relationships between activities. a. True b. False

False

Using the diagram below, what details are displayed at letter B? Select one: a. Activity Interrelationship b. Free Float c. No Meaning d. Activity Duration

Free Float

Choose all that are NOT true to a non-critical activity (Assume the total float of critical activities is zero) a. Total float is not equal to zero b. Total float is smaller than free float c. Free float is always equal to zero d. Lag is always equal to zero e. None of the above

Free float is always equal to zero; Lag is always equal to zero Total float is smaller than free float

What does the Vertical line with arrowhead at D indicate in the diagram below? Select one: a. Activity Duration b. Latest Start c. Interrelationship d. Float

Interrelationship

An event consumes a. Resources b. Time c. Both Resources and Timed. Neither resources nor time

Neither resources nor time

Which of the following scheduling technique are graphic representations using nodes and links? Select one: a.Traditional b.Time-Scaled Network Model c.Networks d.Bar Charts

Networks

A critical activity is the one that has a. No float b. Negative Float c. None of the above d. Positive float

No float

Assume A is a milestone of a project, which of the following statement(s) can be true? a. A may take 3 days b. A needs one mason and two helpers to finish c. A costs $2,000 d. A can at least be crashed by 1 day c. None of the above

None of the Above

What does the relationship in the following mean? Select one: a. One day after B is finished, A must be finished. b. One day after A is finished, B must be finished. c. A and B must start at the same time. d. A and B must be finished at the same time.

One day after A is finished, B must be finished.

What are the major types of activities? Select one or more: a. Procurement b. Management c. Production/construction

Production/construction, Procurement, Management

The conditions of limited resource availability dictate certain activities cannot be performed simultaneously. This is, a. Contractual constraints b. Resource constraints c. Physical constraints d. Safety constraints

Resource constraints

What is a primary means that general contractors use to communicate the construction plan to other parties? Select one: a. Scope of the work b. Estimate c.Drawings and specifications d.Schedule

Schedule

A significant difference between "planning" and "scheduling" is, a.Scheduling determines how to do, and planning determines by whom. b. Scheduling determines how to do, and planning determines what to do. c.Scheduling determines when to do, and planning determines what to do, how to do and by whom. d. Scheduling determines what is going to be done, and planning determines how to do.

Scheduling determines when to do, and planning determines what to do, how to do and by whom.

Which of the following is correct regarding CPM and PERT? a. The calculations in CPM are non-deterministic and those in PERT are deterministic b. The calculations in CPM are deterministic and those in PERT are non-deterministic c. The calculations in both are deterministic d. The calculations in both are non-deterministic

The calculations in CPM are deterministic and those in PERT are non-deterministic

What are the problems that the following precedence model has? a. F is a dangling activity. b. There is a loop in the network model, activities D, E, and G. c. J is a dangling activity. d. The direction of the link between B and D is wrong.

The direction of the link between B and D is wrong., There is a loop in the network model, activities D, E, and G., F is a dangling activity.

The late activity start is determined by Select one or more: a. The late activity finish time and duration. b. The late activity finish time only. c. The early activity start time and total float. d. The early activity start and free float.

The early activity start time and total float., The late activity finish time and duration.

The early activity start is determined by Select one: a. The earliest time all immediate preceding activities can finish. b. The lag of an activity. c. The latest of the early finish times of all immediate preceding activities. d. The free float of an activity.

The latest of the early finish times of all immediate preceding activities.

An activity's scheduled early start time is at the beginning of day 10. Its duration is 5 days. Its total float is 7 days. If the activity is actually finished at the end of day 21, which of the following statement(s) must be true? a. The project will be delayed because of this activity b. The status of this activity will not cause a possible delay to the entire project c. The early start time of the successors of this activity will be delayed d. None of the above

The status of this activity will not cause a possible delay to the entire project

What is this diagramming method called? Select one: a.Time-scaled Diagramming Method b.Precedence Diagramming Method c.Arrow Diagramming Method d.Bar Chart Diagramming method

Time-scaled Diagramming Method

The forward pass along in the Critical Path Method can be used to determine a. Total Float b. Activity early finish time c. Activity late finish time d. None of the above

Total Float

Arrow diagrams use link to represent activities a. True b. False

True

Based on the above precedence diagram If activity Bring in Fill is delayed for just one day, the project will be delayed Select one: a. True b. False c. Cannot be determined

True

Based the ES, EF, LS, LF, TF and FF values of above precedence diagram: If activity Demo Shed is delayed for 5 days, the early start of Security Fence will be delayed Select one: a. False b. Cannot be determined c. True

True

To order activities, for each identified activity, what do we need to determine: Select one or more: a. What activities can be concurrent with it? b. What activities have the shortest duration? c. Which activities must precede it? d. Which activates must follow it?

Which activities must precede it?, Which activates must follow it?, What activities can be concurrent with it?

What organizes the work of a project but does not address the sequencing and the scheduling of project activities. Select one: a. Organizational Breakdown Structure (OBS) b. None of the Above c.Work Breakdown Structure (WBS) d. Enterprise Project Structure (EPS)

Work Breakdown Structure (WBS)