Which of the following stones is classified as calcareous?
Stone Identification
Question · Easy
A technician applies a few drops of dilute hydrochloric acid to an unknown stone and observes vigorous effervescence. The stone is most likely:
Travertine is best characterized as:
Trades Exam Prep Podcast
Listen on Spotify
Podcast
Which mineral composition is characteristic of granite?
Marble is geologically classified as:
Which of the following is a key visual indicator that helps identify slate?
Question · Medium
Cultured (cast) stone differs from natural stone in that it is:
Sandstone is best described as:
Quartzite is distinguished from sandstone primarily by:
Which group correctly lists only calcareous stones?
Which group correctly lists only siliceous stones?
Onyx (as used in dimensional stone) is most accurately classified as:
Question · Hard
When the simple acid test is used to classify an unknown stone, a NEGATIVE result (no fizzing) most strongly indicates the stone is:
Which stone is most likely to contain naturally occurring iron-bearing minerals that can rust if exposed to strong oxidizers or acids?
Engineered (manufactured) quartz countertop surface is composed of:
Tumbled travertine commonly arrives from the factory with cavities (vugs) filled with:
Which characteristic best distinguishes a polished marble surface from a polished granite surface to the untrained eye?
Dolomitic marble differs from typical (calcite) marble primarily because it:
Porosity in dimensional stone refers to:
Stone Characteristics
Which stone typically has the HIGHEST porosity and therefore stains most readily if left unsealed?
Etching on a polished marble countertop occurs because:
The MOH hardness scale numbers calcite (the main mineral in marble and limestone) at:
Which mineral component primarily determines that quartz-bearing siliceous stone (granite, quartzite, sandstone) is rated approximately MOH 7?
Stone density (specific gravity) influences which cleaning consideration most directly?
Acid sensitivity in stone is primarily a property of:
If a technician spills hydrochloric (muriatic) acid on a polished granite floor, what is the most likely outcome?
A 'water test' or 'drop test' on stone evaluates:
Spalling on exterior stone is most often caused by:
Efflorescence on stone or grout appears as:
Picture-framing (darker edges around tiles after cleaning) is most commonly caused by:
When evaluating an unknown stone before cleaning, the technician should perform which two basic field tests first?
Ceramic tile fired at relatively low temperatures with a glazed top surface is generally:
Tile And Grout
Porcelain tile is defined by the ANSI A137.1 standard as having a water absorption rate of:
Quarry tile is best described as:
Terracotta (Saltillo and similar) tile is characteristically:
Cement-based (Portland) grout differs from epoxy grout primarily in that cement grout:
Which property makes epoxy grout particularly resistant to staining and chemical attack compared with cement-based grout?
A homeowner reports that the white grout in their tile shower has turned uniformly black. The most likely cause is:
A grout sealer that penetrates into the grout pores without leaving a surface film is best described as:
Colorant or color-sealing of grout differs from standard sealing in that it:
Glazed ceramic tile can become permanently damaged if cleaned with:
Through-body (full-body) porcelain tile means:
Why are penetrating impregnator sealers generally preferred over topical sealers for natural stone?
If a homeowner installs encaustic cement tile (decorative cement tile) in a kitchen, what cleaning consideration is MOST critical?
Glass tile typically requires which cleaning consideration?
Mosaic glass or stone tile with thousands of small joints presents what particular cleaning challenge?
The pH scale ranges from 0-14. Which range describes ALKALINE solutions?
Cleaning Chemistry
Loading more…