weld 1000

Question 1

What is the purpose of WHMIS?

Answer 1

To provide workers with information about hazardous materials through labels, SDS, and training.

WHMIS stands for Workplace Hazardous Materials Information System.

Question 2

What shape is a WHMIS pictogram border?

Answer 2

A red diamond.

Pictograms are used to convey specific hazards associated with materials.

Question 3

What information must be on a WHMIS supplier label?

Answer 3

• Product identifier
• Hazard pictograms
• Signal word
• Hazard statements
• Precautionary statements
• Supplier info

Supplier labels are essential for communicating hazards to workers.

Question 4

What does an SDS provide?

Answer 4

Detailed safety, handling, storage, emergency, and disposal information for a product.

SDS stands for Safety Data Sheet.

Question 5

What is the TLV?

Answer 5

Threshold Limit Value — the safe airborne exposure limit for fumes or gases.

TLVs are established to protect worker health.

Question 6

What is the safe oxygen level for entering a confined space?

Answer 6

19.5% to 23.5%.

Oxygen levels below 19.5% can be hazardous.

Question 7

What eye protection should be worn in a welding shop at all times?

Answer 7

CSA-approved safety glasses with side shields.

This is to protect against flying debris and harmful light.

Question 8

What shade lens is required for SMAW at 100–200 amps?

Answer 8

Shade 10.

SMAW stands for Shielded Metal Arc Welding.

Question 9

What shade lens is required for oxy-fuel cutting?

Answer 9

Shade 5.

This protects the eyes from bright light and heat.

Question 10

What gloves should be used for oxy-fuel cutting?

Answer 10

Flame-resistant leather gloves.

These gloves protect against heat and sparks.

Question 11

What is the minimum recommended distance to store oxygen and fuel cylinders apart?

Answer 11

20 feet (6 m) or a fire barrier between them.

This is to prevent potential explosions.

Question 12

What is the first step before moving a compressed gas cylinder?

Answer 12

Install the cylinder cap.

This ensures safety during transport.

Question 13

What is the correct way to lift heavy materials manually?

Answer 13

Keep back straight, lift with legs, keep load close to the body.

Proper lifting techniques help prevent injuries.

Question 14

What is the most common cause of shop injuries?

Answer 14

Improper material handling.

Awareness and training can reduce these incidents.

Question 15

What is a pinch point?

Answer 15

Any area where a worker can get caught between moving and fixed objects.

Identifying pinch points is crucial for safety.

Question 16

What is the safe way to store plate or sheet metal?

Answer 16

Vertically with restraints to prevent tipping.

This prevents accidents and injuries.

Question 17

What is a hazard?

Answer 17

Anything with the potential to cause harm.

Recognizing hazards is the first step in risk management.

Question 18

What is risk?

Answer 18

The probability that a hazard will cause injury.

Risk assessment helps prioritize safety measures.

Question 19

What is the main danger of welding fumes?

Answer 19

Inhaling toxic metals and gases.

Proper ventilation and PPE are essential.

Question 20

What gas is produced from UV radiation reacting with air?

Answer 20

Ozone (O₃).

Ozone can be harmful in high concentrations.

Question 21

What gas is produced when welding on galvanized steel?

Answer 21

Zinc oxide fumes.

These fumes can cause respiratory issues.

Question 22

How do you prevent electrical shock when SMAW welding?

Answer 22

• Wear dry gloves
• Maintain cable insulation
• Avoid standing in water

These precautions are vital for safety.

Question 23

What does lockout/tagout prevent?

Answer 23

Unexpected energization or startup of equipment.

This is a critical safety procedure.

Question 24

What type of fire extinguisher is used for electrical fires?

Answer 24

Class C.

Class C extinguishers are specifically designed for electrical hazards.

Question 25

What type of fire extinguisher is used for **flammable liquids**?

Answer 25

Class B. ## Footnote Class B extinguishers are effective against liquid fires.

Question 26

What type of fire extinguisher is used for **wood and paper**?

Answer 26

Class A. ## Footnote Class A extinguishers are suitable for ordinary combustibles.

Question 27

What type of fire extinguisher is used for **metal fires**?

Answer 27

Class D. ## Footnote Class D extinguishers are specifically designed for combustible metals.

Question 28

What is the purpose of a **WPS**?

Answer 28

Provides approved welding parameters for a specific job. ## Footnote WPS stands for Welding Procedure Specification.

Question 29

What is the rule for **tape measure reading**?

Answer 29

Read inches, fractions, and convert accurately. ## Footnote Accurate measurements are crucial in welding and construction.

Question 30

What measurement tool is best for checking **joint fit-up**?

Answer 30

Feeler gauge or fillet weld gauge. ## Footnote These tools ensure proper alignment and fit.

Question 31

What is a **combination square** used for?

Answer 31

Checking 90° and 45° angles and layout. ## Footnote This tool is essential for precise measurements.

Question 32

What does **kerf** mean in cutting?

Answer 32

The width of material removed by the cut. ## Footnote Understanding kerf is important for accurate cutting.

Question 33

What does **level 1 welding** focus on?

Answer 33

Safety, tools, measuring, basic processes, and shop foundations. ## Footnote This level is foundational for new welders.