Which of the following is not an ASTM designation for steel bolts?
A) A307 bolts
B) A325 bolts
C) A490 bolts
D) A507 bolts
D) A507 bolts
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Several different methods exist to produce hydrogen. During ____________________, electricity is used to break the hydrogen and oxygen in water apart.
Fill in the blank(s) with the appropriate word(s).
?All pressure regulators _______.
A. ?can only be attached to a single type of gas B. ?reduce the high cylinder or system pressure to the proper lower working pressure C. ?are single or dual stage types D. ?All of the above
An outdoor receptacle, in a location protected from the weather or in other damp locations, requires ____ when the receptacle is covered.
A. no additional enclosure for the receptacle that is weatherproof B. a water-resistant enclosure C. specific placement under a suitable overhang D. an enclosure for the receptacle that is weatherproof
Convert 374°F to Celsius
What will be an ideal response?