Question

under what condition is it dangerous to weld?
a dry, dusty floor
b wet floor
c cold room
d there is never any danger

1. which of the following special protective clothing is needed while welding?

a helmet with at number 10 shaded lens
b long sleeve coat
c closed toed footwear
d all of the above

1. if you are uncertain about the set-up or any aspect of the operation, you should

a go ahead and try the operation
b check with your teacher before proceeding
c call the machine manufacturer
d none of the above

1. by quenching hot metal in water, you:

a could create a steam burn
b get welders flash
c weaken the weld
d both a & c

1. report any malfunction of a machine to your instructor such as:

a hot leads
b electric short
c unusual noises
d all of the above

1. gmaw is often referred to as:

a stick
b mig
c wire welding
d both b & c

1. the gas flow rate that we will use in our shop when gmaw is:

a 40 cfh
b 35 cfh
c 20 cfh
d 15 cfh

Explanation:

Answer:

(Question about dangerous welding condition) B. wet floor
(Question 16 - protective clothing) D. all of the above
(Question 16 - uncertain operation) B. check with your teacher before proceeding.
(Question 17 - quenching hot metal) D. both A & C
(Question 18 - machine malfunction) D. all of the above
(Question 19 - GMAW) D. Both B & C
(Question 20 - gas flow rate) (Assuming standard, but based on options, likely) C. 20 CFH (or check context; if typical GMAW gas flow, 20 - 35 CFH, but from options, C or B; however, common shop use for GMAW (MIG) is often 20 - 30 CFH, so C. 20 CFH)