CSLB CLASS B GENERAL CONTRACTOR-S LICENSE - BUILDING-S EXAM- CORE TRADES (PART 1) EXAM

CSLBCLASS B GENERALCONTRACTOR'S v v v v




LICENSE- BUILDING'SEXAM: CORETRADES v v v v v




(PART 1) EXAM QUESTIONS AND ANSWERS 100%
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PASS
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B) When the home has an increased demand in amperage - correct answer-
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When do you upgrade an electrical service panel?
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A) When current circuits don't have grounding
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B) When the home has an increased demand in amperage
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C) When upgrading from single pole to two-pole breakers
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D) When changing from fluorescent lighting to LED lighting
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C) In round columns - correct answer-Where are spiral rebar ties used?
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A) In curved walls
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B) In grade beams
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C) In round columns
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D) In spiral staircases
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1/2" - correct answer-What is the minimum size anchor bolt used to anchor sill plates to a foundation?
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D) All of the above. - correct answer-
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Required reinforcement bar splicing length or lap length is a function of:
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A) Diameter of the reinforced bar v v v v




B) Stress in the reinforced bar at the cross section of splicing.
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C) Bond-strength between the reinforcing bar and the concrete. v v v v v v v




D) All of the above. v v v

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(Class I - used for temporary or for light loadsClass II -
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used for structures that will encounter heavy loads) - correct answer- What
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class of formwork is used for temporary or light loads?
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A) Higher cured strength. - correct answer-Compacting placed concrete is advisable because of:
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A) Higher cured strength. v v




B) Higher compaction. v




C) Less water content. v v




D) Less risk of voids. v v v




D) Careful grading - correct answer-What would be the easiest way to avoid puddling under a slab?
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A) Drainage ditches v




B) Drainage pipes v




C) A gravel and sand base
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D) Careful grading v




Joints designed to separate one pour from another. - correct answer-Construction joints are:
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150 lb/cu. ft. - correct answer-The average deadload of dry concrete, including reinforcement, is:
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No. 10 AWG - correct answer-
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What is the smallest size THW copper conductor that can be used on a 30-amp branch circuit?
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+/- 2 inches - correct answer-
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The normal tolerance for the location of bends and ends of reinforcing bar is:
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3 1/2"
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, (Although most concrete slabs are 4", according to code, the minimum permissible thickness for the sla b
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vis 3 ½".) - correct answer-What is the minimum required thickness for a slab?
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D) Be attached to the ceiling framing members by bolts, screws, rivets, or clips
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When installing lay- v v




in type lights in suspended ceilings, they need to be securely attached to the ceiling frame using mecha nical
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vmethods. This can be done with bolts, screws, rivets, or clips. However, if using clips to support t he lights,
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make sure they are specifically designed for this purpose and approved for use in suspended ceiling
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assemblies. This requirement is stated in Section 410.36(B) of the California Electrical Code. - correct
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answer-When installing recessed lay-
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in type lights in suspended ceilings, what methods should be used to attach them to the ceiling framing members,
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as per the NEC?
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A) Be supported independently of the ceiling grid
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B) Not be attached to the ceiling framing members
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C) Be attached to the building support framing members
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D) Be attached to the ceiling framing members by bolts, screws, rivets, or clips
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C) Being less expensive. - correct answer-
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A mix with a higher percentage of rock has the advantage of:
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A) Higher strength. v




B) Being lighter. v




C) Being less expensive. v v




D) Higher resistance to abrasion. v v v




A) Primary windings, secondary windings, and a core - correct answer- v v v v v v v v v




What are the three basic parts to a simple transformer?
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A) Primary windings, secondary windings, and a core v v v v v v




B) Fuse, breaker, and core v v v




C) Pillar, fuse, and core v v v