Cleaning Techniques for Surface Preparation and Repair in Painting and Decorating

Question 1

以下で、グリースや油分を除去するのに適したケミカルクリーナーの種類はどれですか？

Accepted Answer

溶剤クリーナー

Answer

酸性クリーナー

Answer

アルカリ性クリーナー

Answer

中性クリーナー

Question 2

以下のテクニックのうち、繊細な表面に適しているのはどれですか？

Accepted Answer

柔らかいスポンジを使った手洗い

Answer

パワウォッシュ

Answer

ケミカル洗浄

Answer

スチールウールによる洗浄

Question 3

ケミカルクリーナーを使う際の推奨される安全対策は？

Accepted Answer

上記すべて

Answer

手袋と保護メガネを着用する

Answer

換気が十分な場所でのみ使用する

Answer

メーカーの指示をよく読み従う

Question 4

タッククロスを使用する目的は？

Accepted Answer

塗装前の粉塵や粒子を取り除く

Answer

使用後のブラシを洗浄する

Answer

プライマーの薄塗りに使用する

Answer

表面を湿気から保護する

Question 5

以下のうち、清掃方法を選択する際に考慮しないものはどれですか？

Accepted Answer

材料費

Answer

表面の種類

Answer

汚染の程度

Answer

環境規制

Question 6

Which of the following is **not** a type of cleaning method commonly used in surface preparation for painting?

Accepted Answer

Sandblasting

Answer

Power washing

Answer

Chemical cleaning

Answer

Hand scrubbing

Question 7

Which cleaning method is most effective at removing loose paint, dirt, and mildew from large exterior surfaces?

Accepted Answer

Power washing

Answer

Chemical cleaning

Answer

Hand scrubbing

Answer

Dry brushing

Question 8

Which of the following is **not** an advantage of using power washing for surface preparation?

Accepted Answer

Requires extensive manual labor

Answer

Removes dirt and grime effectively

Answer

Prepares the surface for painting

Answer

Reduces the need for hand scrubbing

Question 9

Which of the following techniques is most effective at removing rust from a metal surface?

Accepted Answer

Abrasive blasting

Answer

Power washing

Answer

Chemical cleaning

Answer

Hand scrubbing

Question 10

Which of the following is a disadvantage of power washing for surface preparation?

Accepted Answer

Can damage delicate surfaces

Answer

Removes loose paint and debris

Answer

Reaches deep into cracks and crevices

Answer

Requires minimal scrubbing

Question 11

Chemical cleaning is most suitable for surfaces with:

Accepted Answer

Heavy grease or oil buildup

Answer

Loose and flaking paint

Answer

Water damage

Answer

Lead-based paint

Question 12

Which type of hand scrubbing tool is best for removing paint?

Accepted Answer

Wire brush

Answer

Sponge

Answer

Sandpaper

Answer

Putty knife

Question 13

Which of the following is NOT a safety precaution when working with chemical cleaners?

Accepted Answer

Mix chemicals without following manufacturer's instructions

Answer

Wear gloves and eye protection

Answer

Keep the area well-ventilated

Answer

Store cleaners securely

Question 14

What is a potential disadvantage of using power washing to clean a wooden deck?

Accepted Answer

Damage to the wood fibers due to high water pressure

Answer

Excessive water usage

Answer

Chemical runoff

Answer

High cost

Question 15

Which of the following is NOT a type of hand scrubbing brush?

Accepted Answer

Sponges

Answer

Wire brushes

Answer

Nylon brushes

Answer

Bristle brushes

Question 16

What is the purpose of using a degreaser before painting a metal surface?

Accepted Answer

Remove oils and contaminants to enhance paint adhesion

Answer

Protect against corrosion

Answer

Provide a smooth base coat

Answer

Etch the surface

Question 17

What is a benefit of using a HEPA filter when vacuuming?

Accepted Answer

Improved air quality by capturing dust and allergens

Answer

Longer lifespan

Answer

Increased suction power

Answer

Reduced noise levels

Question 18

What is the best way to determine the effectiveness of a cleaning method on a particular surface before applying it to a large area?

Accepted Answer

Test a small area first

Answer

Follow manufacturer instructions explicitly

Answer

Use the most powerful cleaner available

Answer

Rely on the opinions of others

Question 19

What type of cleaning solution is commonly used for removing grease and oil stains?

Accepted Answer

Degreaser

Answer

Bleach

Answer

TSP

Answer

Muriatic acid

Question 20

When is it appropriate to use a pressure washer for surface cleaning?

Accepted Answer

When the surface is heavily soiled

Answer

When the surface is delicate

Answer

When the surface requires a light cleaning

Answer

When there is limited access to water

Question 21

Which of the following is a disadvantage of using harsh chemical cleaners?

Accepted Answer

Can damage the surface

Answer

Less effective than milder cleaners

Answer

More expensive than milder cleaners

Question 22

What safety precautions should be taken when using a pressure washer?

Accepted Answer

Wear protective clothing and eye gear

Answer

Use the highest pressure setting available

Answer

Point the nozzle at people or animals

Answer

Keep the pressure washer close to the surface

Question 23

Which type of brush is best suited for cleaning delicate surfaces?

Accepted Answer

Soft-bristled brush

Answer

Broom

Answer

Wire brush

Answer

Sponge

Question 24

What is the purpose of using a degreaser before painting a surface?

Accepted Answer

To remove grease and oil stains

Answer

To kill bacteria

Answer

To remove rust

Answer

To brighten the surface

Question 25

Which of the following surfaces is NOT suitable for power washing?

Accepted Answer

Painted wood

Answer

Concrete

Answer

Brick

Answer

Metal

Question 26

What is the recommended pH range for a cleaning solution used on painted surfaces?

Accepted Answer

Between 7 and 10

Answer

Above 12

Answer

It does not matter

Answer

Below 5

Question 27

Which cleaning method is best for removing loose paint or debris from exterior surfaces?

Accepted Answer

Power washing

Answer

Vacuuming

Answer

Hand scrubbing

Answer

Chemical cleaning

Question 28

Chemical cleaning is most effective for which type of surfaces?

Accepted Answer

Delicate or porous surfaces

Answer

Large surfaces with heavy dirt

Answer

Surfaces covered in grease or oil

Answer

Surfaces with multiple layers of paint

Question 29

When hand scrubbing, which brush is best for gentle cleaning?

Accepted Answer

Soft-bristled nylon brush

Answer

Stiff-bristled wire brush

Answer

Medium-grit sandpaper

Answer

Steel wool

Question 30

What determines the best chemical cleaning solution for a surface?

Accepted Answer

The surface material and type of stain

Answer

Weather conditions

Answer

The desired finish

Answer

Personal preference

Question 31

When using a power washer, what safety precaution is essential?

Accepted Answer

Wear protective clothing and eye gear

Answer

Use extension cords to increase reach

Answer

Hold the wand close to the surface

Answer

Start the washer at high pressure

Question 32

Which cleaning method is best for removing stains from delicate fabrics?

Accepted Answer

Chemical cleaning

Answer

Abrasive blasting

Answer

Hand scrubbing

Answer

Power washing

Question 33

When hand scrubbing with a soft-bristled nylon brush, what motion is recommended?

Accepted Answer

Circular or side-to-side

Answer

Random

Answer

Up and down

Answer

Diagonal

Question 34

Which is NOT a potential hazard associated with chemical cleaning?

Accepted Answer

Skin irritation

Answer

Eye damage

Answer

Respiratory problems

Answer

Fire

Question 35

Why is cleaning surfaces essential before painting?

Accepted Answer

To remove dirt, debris, and contaminants that can interfere with paint adhesion

Answer

To enhance the appearance of the surface

Answer

To prevent the paint from peeling

Answer

To make the paint adhere better

Question 36

Which cleaning method is best for removing graffiti from concrete walls?

Accepted Answer

Power washing with a chemical cleaning solution

Answer

Abrasive blasting

Answer

Chemical cleaning alone

Answer

Hand scrubbing with a stiff-bristled brush

Question 37

Which cleaning method is MOST effective for removing loose paint and mildew from a large exterior surface?

Accepted Answer

Power washing

Answer

Chemical cleaning

Answer

Hand scrubbing

Question 38

When using a chemical cleaner, what is the MOST important safety precaution to take?

Accepted Answer

Wear appropriate personal protective equipment (PPE)

Answer

Dilute the chemical with hot water

Answer

Apply the cleaner in direct sunlight

Question 39

What is a potential disadvantage of using power washing on a delicate surface like wood siding?

Accepted Answer

It can damage the surface if not used carefully

Answer

It is not suitable for large areas

Answer

It requires specialized cleaning solutions

Answer

It is not effective in removing dirt and grime

Question 40

Which cleaning method is MOST suitable for removing grease and oil stains from a concrete floor before painting?

Accepted Answer

Chemical cleaning with a degreaser

Answer

Power washing with hot water

Answer

Vacuuming with a shop vac

Answer

Hand scrubbing with soap and water

Question 41

What is the purpose of using a sanding sponge during surface preparation?

Accepted Answer

To smooth out rough surfaces and remove imperfections

Answer

To rinse away dirt and debris

Answer

To apply a chemical cleaning solution

Question 42

Before painting a previously painted surface, what is the PRIMARY reason for cleaning it?

Accepted Answer

To ensure proper adhesion of the new paint

Answer

To prevent the spread of mold and mildew

Answer

To enhance the color of the new paint

Question 43

When cleaning a surface with a chemical cleaner, what should be done AFTER the cleaning process?

Accepted Answer

Rinse the surface thoroughly with clean water

Answer

Neutralize the chemical with another cleaning agent

Answer

Allow the chemical to dry completely on the surface

Answer

Immediately apply a primer to the surface

Question 44

What type of surface is MOST susceptible to damage from excessive scrubbing?

Accepted Answer

Drywall

Answer

Stainless steel

Answer

Ceramic tile

Answer

Glass

Question 45

When would you choose a natural bristle brush over a synthetic bristle brush for hand scrubbing?

Accepted Answer

When working with delicate surfaces that scratch easily

Answer

When cleaning surfaces with harsh chemicals

Answer

When a stiffer brush is needed for heavy-duty scrubbing

Question 46

What factor might influence the choice between using a cleaning solution vs. plain water for surface preparation?

Accepted Answer

The type and severity of the dirt or grime present

Answer

The color of the surface being cleaned

Answer

The personal preference of the painter

Answer

The time of year the cleaning is being performed

Question 47

Which cleaning technique is MOST suitable for removing loose paint and debris from large exterior surfaces?

Accepted Answer

Power washing

Answer

Hand scrubbing

Answer

Chemical cleaning

Answer

Solvent wiping

Question 48

What is a significant DISADVANTAGE of using chemical cleaners for surface preparation?

Accepted Answer

Potential for environmental damage if not disposed of properly

Answer

High cost compared to other methods

Answer

Ineffectiveness on heavily soiled surfaces

Question 49

When would hand scrubbing be the MOST efficient cleaning method?

Accepted Answer

Removing mildew stains from a small section of drywall

Answer

Cleaning grease off a concrete floor in a garage

Answer

Stripping old paint from an entire house

Question 50

What type of surface is MOST susceptible to damage from excessive pressure washing?

Accepted Answer

Softwood siding

Answer

Concrete patios

Answer

Metal fences

Answer

Brick walls

Question 51

Which of the following is a crucial safety precaution when using chemical cleaners?

Accepted Answer

Wearing appropriate personal protective equipment (PPE)

Answer

Storing chemicals in unmarked containers for convenience

Answer

Using natural ventilation instead of a respirator

Question 52

What is the primary purpose of using a degreaser during surface preparation?

Accepted Answer

To remove grease and oil residues that can hinder paint adhesion

Answer

To kill mold and mildew growth on damp surfaces

Answer

To brighten faded paint and improve its color

Question 53

What should be done BEFORE beginning any cleaning technique?

Accepted Answer

Protect surrounding areas not being cleaned

Answer

Calculate the total square footage of the surface

Answer

Choose a paint color that complements the surface

Answer

Apply a test patch of paint to ensure adhesion

Question 54

Which cleaning method is MOST effective for removing efflorescence from brickwork?

Accepted Answer

Chemical cleaning with a muriatic acid solution

Answer

Applying a coat of primer designed to block stains

Answer

Hand scrubbing with a stiff-bristled brush and water

Answer

Power washing with a high-pressure nozzle

Question 55

What is a potential consequence of inadequate surface preparation before painting?

Accepted Answer

Poor paint adhesion leading to peeling and flaking

Answer

Increased drying time for the applied paint layers

Answer

Uneven sheen and glossiness of the final paint finish

Answer

Incompatibility with different paint types and colors

Question 56

When using a power washer, what precaution helps prevent surface damage?

Accepted Answer

Maintaining a safe distance and using the appropriate nozzle tip

Answer

Directing the spray at a 90-degree angle to the surface

Answer

Adding bleach to the water to enhance cleaning power