Navarro's Welding Final Semester Exam

When is it acceptable to take compressed gas cylinders into a confined space?

• When a permit has been issued

• When a safety inspection of the space has been conducted

• When the equipment will not actually be used in the confined space just stored there

• Gas cylinder and power sources shall be located outside the confined space

• If a respirator is worn

What shall be done before lighting the torch for the first time each day?

• Leak test the entire system

• Purge each hose individually

• Only purge the oxygen hose

• Only purge the fuel gas hose

• Purge both hoses at the same time

In what position is it acceptable to use an acetylene cylinder

• The acetylene cylinder may be used if it is laying on its side or upright

• The acetylene cylinder may be used if it is at a 45 degree angle or upright

• The acetylene cylinder shall be used with the valve end up

• There are no limitations on the use of an acetylene cylinder

• The requirements for an acetylene cylinder are the same as for oxygen

Acetylene shall not be at a pressure exceeding:

• 5 psig

• 10 psig

• 15 psig

• 20 psig

To what extent shall the hand wheel of a high pressure (non-liquified) gas cylinder be opened?

• Opened not more than one and one-half turn

• Opened fully to prevent leakage around the valve stem

• Opened not more than three turns

• It doesn't matter how much the valve is opened as long as pressure is shown on the gauge.

If the torch handle and hoses are already connected to the regulators, the system must still be?

• Turned clockwise

• Purged

• Turned counter-clockwise

• Removed

Which of the following is the correct order of the 3 LAWS for oxy-fuel.

• 1. Torch valves are shut; 2. Tank valves are shut; 3.Reglators are loose and read 0.1
• 1. Tank valves are shut; 2.Regulators are loose and 0; 3. Torch valves are shut
• 1. Regulators are loose and 0; 2. Tank valves are shut; 3. Torch valves are shut.
• None of the above are true statements

Plasma cutter uses a/an__________ to heat the metal for cutting.

• Flammable gas

• High pressure water

• Oil under extreme pressure

• None of the above

What type of eye protection is required in order to operate a plasma cutter?

• There is no specific eye protection necessary

• Regular safety glasses

• Shade #5 dark safety glasses

• Standard sunglasses

Every SDS includes the following EXCEPT:

• Exposure controls and Permissible Exposure Limits

• First aid measures

• Pricing information

• Firefighting measures