CSLB B LICENSE GENERAL CONTRACTOR EXAM | EXAM
QUESTIONS AND ANSWERS| COMPLETE STUDY GUIDE
WITH 100% ACCURATE QUESTIONS & ANSWERS!
EXCELLENCE GUARANTEED!
Course Code:
Course Title:
Programme:
Academic Year: 2026/2027.
Duration: 2 Hours.
Total Marks: 100.
Candidate Instructions:
1) Write your Registration Number on every answer booklet used.
2) Answer ALL questions in Section A and ANY TWO (2) questions in Section B.
3) Read each question carefully before answering.
4) Begin each question on a new page.
5) The marks for each question are indicated in brackets.
6) This paper consists of several printed pages, including this page.
7) Ensure your copy is complete before the examination begins.
8) Unauthorized materials and communication with other candidates are not permitted.
Turn Over.
APPHIA – Crafted with Care and Precision for Academic Excellence.
1
, If unused mortar stiffens due to hydration of cement, what must you do? Answer: Discard the
mortar
What minimum time must you wait before caulking or grouting new tiles? Answer: 24-48
Hours
How long should you wait before installing tile on a shower pan? Answer: 24 Hours
Unstable dry rock, angular gravel, sandy loam, and cohesive soils having compressive strengths
greater than 0.5 and less than 1.5 tons/sq ft (tsf), are typical examples of: Answer: Type-B Soils
If 65 street lights are fed by a 2275 volt series circuit, what is the voltage across each light?
Answer: 35V
In a series circuit, the total voltage is divided equally.
For safety reasons, the maximum simple slope of an excavation, up to 20 ft deep, in Type-B soil
is: Answer: 1:1 (45°)
A Pittsburgh joint is used in: Answer: HVAC ductwork
The drain for a pressure relief valve on a water heater should be extended to: Answer: The
outside of the building
What is the minimum slope toward the drain of a shower pan? Answer: 1/4" per foot (2%)
What is the diameter of #3 rebar? Answer: 3/8"
If a vendor fails to provide an MSDS, you have the right to call: Answer: Cal/OSHA or DOSH
When installing a door jamb, you need shims at: Answer: Both hinge and strike sides, three on
each side.
Which of the following is used to adhere vinyl floors?
A. Epoxy cement
B. Asphalt mastic
C. Latex primer
D. White glue Answer: Epoxy cement
When do you need bracing for a drywall wall? Answer: Diagonal bracing is needed every 25'
for any drywall wall.
How should you clear the roots from a construction site? Answer: Clear roots to 12" below
grade.
Dividing watts by amps gives you: Answer: Volts
The most frequent on-the-job roofing accidents are: Answer: Falls
APPHIA – Crafted with Care and Precision for Academic Excellence.
2
QUESTIONS AND ANSWERS| COMPLETE STUDY GUIDE
WITH 100% ACCURATE QUESTIONS & ANSWERS!
EXCELLENCE GUARANTEED!
Course Code:
Course Title:
Programme:
Academic Year: 2026/2027.
Duration: 2 Hours.
Total Marks: 100.
Candidate Instructions:
1) Write your Registration Number on every answer booklet used.
2) Answer ALL questions in Section A and ANY TWO (2) questions in Section B.
3) Read each question carefully before answering.
4) Begin each question on a new page.
5) The marks for each question are indicated in brackets.
6) This paper consists of several printed pages, including this page.
7) Ensure your copy is complete before the examination begins.
8) Unauthorized materials and communication with other candidates are not permitted.
Turn Over.
APPHIA – Crafted with Care and Precision for Academic Excellence.
1
, If unused mortar stiffens due to hydration of cement, what must you do? Answer: Discard the
mortar
What minimum time must you wait before caulking or grouting new tiles? Answer: 24-48
Hours
How long should you wait before installing tile on a shower pan? Answer: 24 Hours
Unstable dry rock, angular gravel, sandy loam, and cohesive soils having compressive strengths
greater than 0.5 and less than 1.5 tons/sq ft (tsf), are typical examples of: Answer: Type-B Soils
If 65 street lights are fed by a 2275 volt series circuit, what is the voltage across each light?
Answer: 35V
In a series circuit, the total voltage is divided equally.
For safety reasons, the maximum simple slope of an excavation, up to 20 ft deep, in Type-B soil
is: Answer: 1:1 (45°)
A Pittsburgh joint is used in: Answer: HVAC ductwork
The drain for a pressure relief valve on a water heater should be extended to: Answer: The
outside of the building
What is the minimum slope toward the drain of a shower pan? Answer: 1/4" per foot (2%)
What is the diameter of #3 rebar? Answer: 3/8"
If a vendor fails to provide an MSDS, you have the right to call: Answer: Cal/OSHA or DOSH
When installing a door jamb, you need shims at: Answer: Both hinge and strike sides, three on
each side.
Which of the following is used to adhere vinyl floors?
A. Epoxy cement
B. Asphalt mastic
C. Latex primer
D. White glue Answer: Epoxy cement
When do you need bracing for a drywall wall? Answer: Diagonal bracing is needed every 25'
for any drywall wall.
How should you clear the roots from a construction site? Answer: Clear roots to 12" below
grade.
Dividing watts by amps gives you: Answer: Volts
The most frequent on-the-job roofing accidents are: Answer: Falls
APPHIA – Crafted with Care and Precision for Academic Excellence.
2
