381. Which technique is commonly used for the lime wash application on walls to achieve a textured finish?
a) Brushing
b) Spraying
c) Sponging
d) Ragging
View Answer
Correct answer: d) Ragging
Explanation: Ragging is commonly used for lime wash application on walls to achieve a textured finish. A rag is dipped in the lime wash and then dabbed or dragged onto the wall.
382. Which type of lime is commonly used for water treatment to adjust the pH of water?
a) Hydraulic lime
b) Quicklime
c) Dolomitic lime
d) Slaked lime
View Answer
Correct answer: d) Slaked lime
Explanation: Slaked lime is commonly used for water treatment to adjust the pH of water, particularly to increase alkalinity.
383. Which technique is commonly used for the repair and restoration of lime-based decorative elements in historic buildings?
a) Lime casting
b) Lime carving
c) Lime stamping
d) Lime painting
View Answer
Correct answer: b) Lime carving
Explanation: Lime carving is commonly used for the repair and restoration of lime-based decorative elements in historic buildings. Skilled craftsmen carve intricate designs and motifs in lime-based materials.
384. Which property of lime allows it to self-heal fine cracks and gaps in lime-based structures?
a) Plasticity
b) Durability
c) Carbonation
d) Elasticity
View Answer
Correct answer: c) Carbonation
Explanation: Lime has the ability to self-heal fine cracks and gaps in lime-based structures through the process of carbonation, where it absorbs carbon dioxide from the air and forms calcium carbonate.
385. Which technique is commonly used for creating decorative lime plaster finishes, such as sgraffito or scagliola?
a) Lime casting
b) Lime carving
c) Lime washing
d) Lime stucco
View Answer
Correct answer: d) Lime stucco
Explanation: Lime stucco is commonly used for creating decorative lime plaster finishes, such as sgraffito or scagliola. Intricate designs are created by manipulating layers of different-colored lime plaster.
386. Which type of lime is commonly used for soil remediation to neutralize acidic soils?
a) Hydraulic lime
b) Quicklime
c) Dolomitic lime
d) Slaked lime
View Answer
Correct answer: c) Dolomitic lime
Explanation: Dolomitic lime is commonly used for soil remediation to neutralize acidic soils and adjust soil pH.
387. Which technique is commonly used for applying lime plaster to ceilings and decorative moldings?
a) Troweling
b) Spraying
c) Brushing
d) Pouncing
View Answer
Correct answer: a) Troweling
Explanation: Troweling is commonly used for applying lime plaster to ceilings and decorative moldings. The lime plaster is applied with a trowel and then smoothed and leveled to achieve the desired finish.
388. Which type of lime is commonly used for creating frescoes and mural paintings?
a) Hydraulic lime
b) Quicklime
c) Dolomitic lime
d) Slaked lime
View Answer
Correct answer: d) Slaked lime
Explanation: Slaked lime is commonly used for creating frescoes and mural paintings. It acts as a binding medium for pigments and allows for the creation of vibrant and long-lasting artwork.
389. Which factor can impact the color of lime mortar?
a) Lime particle size
b) Ambient humidity
c) Sand type
d) Curing time
View Answer
Correct answer: c) Sand type
Explanation: The type of sand used in lime mortar can impact its color. Sands with different mineral compositions can contribute to variations in the final mortar color.
390. Which technique is commonly used for the application of lime wash to achieve a more uniform and even finish?
a) Brushing
b) Spraying
c) Sponging
d) Rolling
View Answer
Correct answer: b) Spraying
Explanation: Spraying is commonly used for the application of lime wash to achieve a more uniform and even finish, especially for larger surfaces or when a consistent color is desired.
