CSLB Land Development Engineering Practice Questions - CSLB Professional Challenge - Land Development Engineering Competency (legacy S+SNZ option) Exam - CSLB Land Development Engineering Practice Questions - CSLB Professional Challenge - Land Development Engineering Competency (legacy S+SNZ option) Exam

Question 1

A project earthworks specification prepared under NZS 4431:2022 sets a maximum air-voids ratio of 10%. A compacted-fill test returns 12%. What is the correct conclusion?

The lift fails the project specification and must be addressed before acceptance. The lift automatically complies because NZS 4431 permits every result up to 15%. The lift automatically complies because air voids are not a project-specific acceptance criterion. The result proves the fill has reached maximum dry density.

Correct Answer:

The lift fails the project specification and must be addressed before acceptance.

Question 2

Which Scala penetrometer result satisfies the NZS 3604:2011 blow-count criterion used to support a 'good ground' assessment below a proposed footing?

>5 blows/100 mm to twice the footing width; >3 deeper; all other clause conditions met. Exactly 1 blow per 100 mm at the founding level only. Exactly 3 blows per 100 mm for the entire test depth, with no comparison between test sites. Any isolated 10-blow reading, regardless of the weaker layers above or below it.

Correct Answer:

>5 blows/100 mm to twice the footing width; >3 deeper; all other clause conditions met.

Question 3

Which summary correctly states the GD05 minimum storage sizing for sediment retention ponds (SRPs) and decanting earth bunds (DEBs)?

SRP: 2% if <18% and <200 m; otherwise 3%. DEB: 2%. SRP: 2% below a 10% slope and 3% at 10% or more; DEB: 0.5%. SRP and DEB: a universal 5% of catchment area. SRP: 0.5%; DEB: no storage requirement.

Correct Answer:

SRP: 2% if <18% and <200 m; otherwise 3%. DEB: 2%.

Question 4

Which of the following describes the 'bulking factor' of soil and how it affects earthwork volume calculations on a land development site?

Excavation increases soil from bank volume to a greater loose volume. The decrease in volume when soil is compacted in a fill area, resulting in compacted volume being less than bank volume. The expansion of clay soils when moisture is added, measured under saturated conditions. The reduction in soil volume due to groundwater drawdown during site dewatering.

Correct Answer:

Excavation increases soil from bank volume to a greater loose volume.

Question 5

During a compaction control test under NZS 4402, a fill sample is found to have a relative compaction of 92% of the Maximum Dry Density (MDD). If the project specifications require a minimum of 95% MDD, what directive should the land development engineer issue to the contractor?

Scarify, condition and re-compact the lift, then re-test it. Proceed with the next layer of fill, as a 3% variance is within standard field tolerance. Apply a cement stabilization agent to the surface and seal it immediately. Increase the thickness of the next lift to compensate for the lower density of the current layer.

Correct Answer:

Scarify, condition and re-compact the lift, then re-test it.

Exam overview

About this Exam

Prepare with the CSLB Land Development Engineering Practice Questions - CSLB Professional Challenge - Land Development Engineering Competency (legacy S+SNZ option) Exam practice quiz. This question bank includes 100 questions covering design, stormwater, flow, primary, and minimum. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

More details

Additional Information

CSLB Land Development Engineering Practice Questions - CSLB Professional Challenge - Land Development Engineering Competency (legacy S+SNZ option) Exam

This practice set contains 100 questions from the matching question bank and focuses on design, stormwater, flow, primary, and minimum. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

Quiz information

Frequently Asked Questions

The complete question count is available after full access is unlocked.

No fixed duration is currently configured for this quiz.

Question explanations are included where they are available in the quiz content, helping you review the reasoning after answering.

Yes. You can retake the practice test again as you continue studying during your available access period.

After your access is confirmed, you can continue into the complete practice exam from this quiz flow.

Unless explicitly stated otherwise, this page provides independent practice material for study and exam preparation and is not the official examination itself.

Correct Answer:

Correct Answer:

Correct Answer:

Correct Answer:

Correct Answer:

About this Exam

Additional Information

CSLB Land Development Engineering Practice Questions - CSLB Professional Challenge - Land Development Engineering Competency (legacy S+SNZ option) Exam

Frequently Asked Questions

Related Questions

2nd Class Power Engineering (2A1) Practice Exam

2nd Class Power Engineering 2A3 Practice Exam

2nd Class Power Engineering (2B1) Practice Exam

2nd Class Power Engineering 2B2 Practice Exam

2nd Class Power Engineering 2B3 Practice Exam

2nd Class Power Engineering 2A2 Practice Exam Guide