CSLB C-54 Ceramic and Mosaic Tile (Trade Exam) — All Questions

If a construction employer's Code of Safe Practices is not posted at the job site office, who must have it?

• a.Only Cal/OSHA
• b.Only the owner
• c.Each supervisor✓
• d.Only new hires

The Code is posted at each job site office or provided to each supervisory employee, who keeps it readily available.8 CCR 1509(c)

Under Cal/OSHA's construction orders, who may operate a powered wet saw on a tile job?

• a.Only licensed contractors
• b.Any worker over 16
• c.Only qualified persons✓
• d.Anyone after a demonstration

The employer shall permit only qualified persons to operate equipment and machinery.8 CCR 1510(b)

What is Cal/OSHA's permissible exposure limit for respirable crystalline silica, as an 8-hour TWA?

• a.25 μg/m³
• b.5 μg/m³
• c.100 μg/m³
• d.50 μg/m³✓

The PEL is 50 μg/m³; 25 μg/m³ is the action level.8 CCR 1532.3

What is the silica action level under section 1532.3?

• a.50 μg/m³
• b.10 μg/m³
• c.25 μg/m³✓
• d.2 μg/m³

The action level is 25 μg/m³ as an 8-hour TWA; 2 μg/m³ is the lead action level.8 CCR 1532.3

A handheld wet saw is used outdoors for three hours. What respirator does Table 1 require?

• a.APF 10
• b.None✓
• c.APF 1000
• d.APF 25

Outdoors, handheld saws with integrated water need no respirator for up to four hours; indoors they need APF 10.8 CCR 1532.3 Table 1

What controls does Table 1 require for a handheld drill boring holes in tile or concrete?

• a.Shroud and dust collector✓
• b.No controls under 1 hour
• c.Water only
• d.A fan and dry sweeping

Drills use a shroud or cowling with a dust collection system and a HEPA vacuum to clean holes, with no respirator required.8 CCR 1532.3 Table 1

A worker switches to a different make and model of tight-fitting respirator. What does section 5144 require?

• a.A written note in the file
• b.No new test until the annual date
• c.A medical exam only
• d.A new fit test before use✓

Fit testing is required before initial use, whenever a different facepiece is used, and at least annually.8 CCR 5144(f)

Noise from grinders exceeds Table N-1 limits. What must the employer try first?

• a.Nothing below 100 dBA
• b.Earplugs only
• c.Engineering/admin controls✓
• d.Longer shifts

Feasible administrative or engineering controls come first; hearing protection is provided if they do not bring levels within the table.8 CCR 5096(b)

At what outdoor temperature must shade be present for a tile crew under section 3395?

• a.Above 80°F✓
• b.Above 70°F
• c.Above 95°F
• d.Above 100°F

Shade shall be present when the temperature exceeds 80°F; high-heat procedures begin at 95°F.8 CCR 3395(d)

Within what period does acclimatization to heat peak in most people, according to section 3395?

• a.Four to fourteen days✓
• b.One day
• c.One to two hours
• d.Thirty to sixty days

Acclimatization peaks in most people within four to fourteen days of regular work in the heat.8 CCR 3395(b)

Indoors, the heat index reaches 88°F while employees are present. What does section 3396 require?

• a.Its control measures✓
• b.Nothing below 95°F
• c.Only drinking water
• d.Work must stop

When the temperature or heat index reaches 87°F, the indoor order's assessment and control measures apply.8 CCR 3396(a)(2)

Where must safety data sheets for job-site chemicals be available?

• a.At the main office only
• b.At hand every shift✓
• c.With the supplier
• d.In the owner's files

SDSs must be readily accessible during each work shift to employees in their work areas.8 CCR 5194(g)

What does three points of contact on a ladder mean under section 3276?

• a.One hand and one foot
• b.Both feet and the chest
• c.Two feet and a hand✓
• d.Two hands and a tool belt

Three-point contact is two feet and one hand, or two hands and one foot, supporting the user's weight.8 CCR 3276(e)(15)

When may a worker stand on the step just below a stepladder's topcap?

• a.Never
• b.When the ladder is under 6 feet
• c.When 18 in. below the topcap✓
• d.When someone holds the ladder

Employees may not stand on the topcap or the step below it, except that the step below may be used if it is 18 inches under the topcap.8 CCR 3276(e)(15)

At what fall distance does section 1670 require personal fall protection at an unprotected edge?

• a.More than 15 feet
• b.More than 7-1/2 feet✓
• c.More than 30 feet
• d.More than 4 feet

Personal fall arrest, restraint or positioning systems are required for falls in excess of 7-1/2 feet at unprotected sides and edges.8 CCR 1670(a)

Which temporary receptacles on a construction site must have GFCI protection under section 2405.4?

• a.Only permanent wiring
• b.None if cords are new
• c.120 V, 15/20 A temporary✓
• d.Only 240 V receptacles

All 120-volt, single-phase, 15- and 20-ampere receptacles not part of permanent wiring and in use by employees need GFCIs (or an assured grounding program).8 CCR 2405.4

What airborne lead level is Cal/OSHA's construction permissible exposure limit since January 1, 2025?

• a.10 μg/m³✓
• b.30 μg/m³
• c.2 μg/m³
• d.50 μg/m³

The amended 1532.1 sets a PEL of 10 μg/m³ as an 8-hour TWA and an action level of 2 μg/m³.8 CCR 1532.1

Where may a portable ladder's base be placed under section 3276?

• a.On secure, level footing✓
• b.On a stack of tile boxes
• c.On a barrel for height
• d.On wet mortar

The base goes on secure and level footing; ladders are not placed on boxes, barrels or other unstable bases to gain height.8 CCR 3276(e)(7)