CHST Worksite Audit: Questions With Expert Solutions
What is the shade number for shielded metal arc welding 1/16, 3/32, 1/8,
5/32 electrodes? Right Ans - 10
What is the shade number for gas shielded arc welding (nonferrous) 1/16,
3/32, 1/8m 5/32 inch diameter electrodes? Right Ans - 11
What is the shade number for gas shielded arc welding (ferrous) 1/16m 3/32,
1/8, 5/32 inch diameter electrodes? Right Ans - 12
What shade number is the shielded metal-arc welding 3/16, 7/32m 1/4 inch
diameter electrodes? Right Ans - 12
What shade number is 5/16, 3/8 inch diameter electrodes? Right Ans - 14
Atomic hydrogen welding is what shade? Right Ans - 10-14
What shade number is carbon-arc welding? Right Ans - 14
What shade number is soldering? Right Ans - 2
What shade number is torch brazing? Right Ans - 3 or 4
What shade number is light cutting, up to 1 inch? Right Ans - 3 or 4
What shade number is medium cutting, 1 inch to 6 inches? Right Ans - 4 or
5
What shade number is heavy cutting, over 6 inches? Right Ans - 5 or 6
What shade number is gas welding (light), up to 1/8 inch? Right Ans - 4 or
5
What shade number is gas welding (medium) 1/8 inch to 1/2 inch? Right
Ans - 5 or 6
What shade number is gas welding (heavy), over 1/2 inch? Right Ans - 6
or8
,What is among the most important safety precautions welders and metal
cutters can take? Right Ans - Proper eye protection.
Proper shade protection is very important to guard agains the damage caused
by what? Right Ans - UV and IR radiation created during these operations.
What is the ANSI/ASC code for eye protection with welding? Right Ans -
Z49.1-88
According to the NSC "Accident Prevention Manual for Industrial Operations,"
tool rests should be adjusted to not more than_____ fro the grinding wheel and
tongue guards should be adjusted to _______? Right Ans - 1/8 inch and 1/4
for the tongue guard
How often should powder actuated tools be inspected? Right Ans - Each
day before loading.
Airless spray guns above ______psi must be equipped with a manual safety for
operator safety? Right Ans - 1000 psi
Does OSHA exempt concrete cleaning from the 30 psi limitation? Right Ans
- Yes
What do the letters PT indicate on line one of safety shoe? Right Ans -
Protective sections of the standard which is followed by the last two digits for
the year the standard with which the footwear meets compliance. PT 91
What does FI on the safety shoe indicate? Right Ans - F for Female and I for
the impact resistance rating (75, 50, or 30 foot pounds)
The second line on the safety shoe, if it states MT, stands for what? Right
Ans - Metatarsal protection designation and rating (75, 50, or 30 foot pounds)
What does line 3 and 4 with the label Cd stand for? Right Ans - Conductive
properties
What does line 3 and 4 with the label EH stand for Right Ans - Electrical
Hazard
, What does line 3 and 4 with the label Pr stand for? Right Ans - Puncture
resistance
When working with explosives or blasting agents, equipment must not be
operated within_______ of loaded holes? Right Ans - 50 feet
True or False, drill holes should be large enough to freely admit the insertion
of explosive cartridges? Right Ans - True, you don't want them to be too
tight.
True or False, primers must never be tamped with? Right Ans - True. Can't
tamper
Drilling is permitted within _________ of remaining butts of old hoses if there is
any suspicion of unexploded charges? Right Ans - 50
What provides the best protection with dealing with hoisting and rigging
equipment? Right Ans - Before each job, inspecting the chains, slings and
ropes.
A thorough inspection of all chains in use shall be made very how many
months? Right Ans - 12
OSHA Subpart P, Appendix B requires that an excavation in Type A soil that is
open less than 24 hours and is 12 feet or less in depth to have a maximum
allowable slope of what? Right Ans - 1/2:1
Little horizontal, longer vertical
Type C soil that is 20 feet or less in depth needs to have a maximum allowable
slope of what? Right Ans - 1 1/2:1
1 and 1/2 to 1.
Longer horizontal, shorter vertical
What type of equipment would indicate the amount of resistance presented to
current flow by the equipment ground? Right Ans - Ground impedance
tester
What is the shade number for shielded metal arc welding 1/16, 3/32, 1/8,
5/32 electrodes? Right Ans - 10
What is the shade number for gas shielded arc welding (nonferrous) 1/16,
3/32, 1/8m 5/32 inch diameter electrodes? Right Ans - 11
What is the shade number for gas shielded arc welding (ferrous) 1/16m 3/32,
1/8, 5/32 inch diameter electrodes? Right Ans - 12
What shade number is the shielded metal-arc welding 3/16, 7/32m 1/4 inch
diameter electrodes? Right Ans - 12
What shade number is 5/16, 3/8 inch diameter electrodes? Right Ans - 14
Atomic hydrogen welding is what shade? Right Ans - 10-14
What shade number is carbon-arc welding? Right Ans - 14
What shade number is soldering? Right Ans - 2
What shade number is torch brazing? Right Ans - 3 or 4
What shade number is light cutting, up to 1 inch? Right Ans - 3 or 4
What shade number is medium cutting, 1 inch to 6 inches? Right Ans - 4 or
5
What shade number is heavy cutting, over 6 inches? Right Ans - 5 or 6
What shade number is gas welding (light), up to 1/8 inch? Right Ans - 4 or
5
What shade number is gas welding (medium) 1/8 inch to 1/2 inch? Right
Ans - 5 or 6
What shade number is gas welding (heavy), over 1/2 inch? Right Ans - 6
or8
,What is among the most important safety precautions welders and metal
cutters can take? Right Ans - Proper eye protection.
Proper shade protection is very important to guard agains the damage caused
by what? Right Ans - UV and IR radiation created during these operations.
What is the ANSI/ASC code for eye protection with welding? Right Ans -
Z49.1-88
According to the NSC "Accident Prevention Manual for Industrial Operations,"
tool rests should be adjusted to not more than_____ fro the grinding wheel and
tongue guards should be adjusted to _______? Right Ans - 1/8 inch and 1/4
for the tongue guard
How often should powder actuated tools be inspected? Right Ans - Each
day before loading.
Airless spray guns above ______psi must be equipped with a manual safety for
operator safety? Right Ans - 1000 psi
Does OSHA exempt concrete cleaning from the 30 psi limitation? Right Ans
- Yes
What do the letters PT indicate on line one of safety shoe? Right Ans -
Protective sections of the standard which is followed by the last two digits for
the year the standard with which the footwear meets compliance. PT 91
What does FI on the safety shoe indicate? Right Ans - F for Female and I for
the impact resistance rating (75, 50, or 30 foot pounds)
The second line on the safety shoe, if it states MT, stands for what? Right
Ans - Metatarsal protection designation and rating (75, 50, or 30 foot pounds)
What does line 3 and 4 with the label Cd stand for? Right Ans - Conductive
properties
What does line 3 and 4 with the label EH stand for Right Ans - Electrical
Hazard
, What does line 3 and 4 with the label Pr stand for? Right Ans - Puncture
resistance
When working with explosives or blasting agents, equipment must not be
operated within_______ of loaded holes? Right Ans - 50 feet
True or False, drill holes should be large enough to freely admit the insertion
of explosive cartridges? Right Ans - True, you don't want them to be too
tight.
True or False, primers must never be tamped with? Right Ans - True. Can't
tamper
Drilling is permitted within _________ of remaining butts of old hoses if there is
any suspicion of unexploded charges? Right Ans - 50
What provides the best protection with dealing with hoisting and rigging
equipment? Right Ans - Before each job, inspecting the chains, slings and
ropes.
A thorough inspection of all chains in use shall be made very how many
months? Right Ans - 12
OSHA Subpart P, Appendix B requires that an excavation in Type A soil that is
open less than 24 hours and is 12 feet or less in depth to have a maximum
allowable slope of what? Right Ans - 1/2:1
Little horizontal, longer vertical
Type C soil that is 20 feet or less in depth needs to have a maximum allowable
slope of what? Right Ans - 1 1/2:1
1 and 1/2 to 1.
Longer horizontal, shorter vertical
What type of equipment would indicate the amount of resistance presented to
current flow by the equipment ground? Right Ans - Ground impedance
tester
