In a CPM schedule, what is the critical path?
Correct Answer
B) The longest path through the network that determines the project duration
The critical path is the longest sequence of activities through the project network that determines the minimum project duration. Any delay in critical path activities will delay the entire project.
Why This Is the Correct Answer
The critical path in CPM (Critical Path Method) scheduling is defined as the longest sequence of dependent activities from project start to finish. This path determines the minimum time required to complete the entire project because it has zero total float or slack time. Any delay in activities on the critical path will directly extend the project completion date, making it 'critical' to monitor and manage these activities closely.
Why the Other Options Are Wrong
Option A: The path with the most safety-critical activities
Cost is not a factor in determining the critical path. The critical path is based solely on activity durations and dependencies, not on the expense of individual activities. An expensive activity could be on a non-critical path if it has sufficient float time.
Option D: The path with the most expensive activities
Skill level requirements for workers do not determine the critical path. The critical path is based on activity durations and logical relationships between tasks, regardless of the skill level needed to perform the work.
Memory Technique
Think 'Critical = Clock' - the critical path controls the project clock/timeline, just like the longest domino chain determines how long it takes for all dominos to fall.
Reference Hint
Look up CPM scheduling methods in the project management or scheduling chapter of your contractor reference manual
More Contract Admin Questions
A project experiences a 30-day delay due to unusually severe weather. The contract includes a liquidated damages clause of $1,000 per day for delays. If the weather delay is excusable but not compensable, what liquidated damages apply?
A commercial project requires a total of 12 inspections. The building department charges $85 per inspection for the first 5 inspections, $65 for inspections 6-10, and $45 for any additional inspections. What is the total inspection fee?
What document must be posted at the job site before a Certificate of Occupancy can be issued for a commercial building?
A mixed-use development requires a variance for reduced setbacks. The property is located within 500 feet of a hospital. What additional consideration must be addressed?
A LEED project requires tracking of regional materials. Materials are considered regional if they are extracted, harvested, or recovered, as well as manufactured within what distance of the project site?
An indemnification clause in a construction contract typically requires the contractor to:
A property owner wants to convert a single-family home into a duplex in an area zoned for single-family residential use. The conversion meets all building codes but violates density requirements. What approval is needed?
As-built drawings are typically required to be submitted:
AIA Document A401 is primarily used for:
A general contractor is building a 12,000 square foot commercial warehouse. The building permit fee is calculated at $8.50 per $1,000 of construction value. If the project value is $2,400,000, what is the building permit fee?
People Also Study
Business & Financial Management
120 questions · 70% to pass
Project Management
60 questions · 70% to pass
Related Study Resources
Previous Question
When is the final release of retainage typically made to the contractor?
Next Question
A contractor working on a time and materials contract charges $85 per hour for skilled labor and has worked 240 hours. Materials cost $12,500 with a 15% markup allowed. What is the total amount due?