constraints among activities, QUESTION 17 At a minimum, network diagrams illustrate the a technical b. referential c.check d.entity QUESTION 18 Resource constraints are represented in the network diagram by a. drawing the activities with different resources in a serial relationship. b.drawing the activities to reflect the availability of a limited quantity of resources. c. drawing the activities with a common finish date. d. drawing the activities with common resources in a loop format QUESTION 19 Task 1 2 workers needed 5 days Task 2 2 workers needed 3 days Start Project Task 3 I worker needed 2 days Finish Project Task 4 I worker needed 4 days Task 5 1 worker needed 2 days Given this project and the requirement that the number of resources working on a task cannot be less than the number assigned to the task, answer the following question What is the least number of resources that can be assigned to the project if all five tasks occur in parallel? a. 1.5 workers per day b. 7 workers c. 24 workers d. 2 workers QUESTION 20 Resource leveling attempts to establish a schedule in which resource utilization is made as level as possible a. by extending the project beyond its required completion time. b. by adding additional resources to the project. c. by assigning one resource to work per day. d, without extending the project beyond its required completion time