The purpose of a ____ line is to be able to readily identify to which side of a joint the welding symbol applies.
A. dual reference
B. double reference
C. single reference
D. multiple reference
Answer: A
You might also like to view...
Employees should be vigilant in observing and reporting which of the following types of behavior?
A) Bizarre B) Abusive or aggressive C) Unusual D) All of the above
A(n) ____-value indicates a material’s ability to resist heat transfer.
a.D b.L c.R d.Z
What would the mixed air temperature be for a system with 30% outdoor air if the outdoor temperature is 20°F and the return air temperature is 70°F?
A) 0.3 × 20°F = 6°F; 0.7 × 70°F = 49°F; 6°F + 49°F = 55°F mixed air temperature B) ( 20°F +70°F ) / 2 = 45°F mixed air temperature C) 0.3 × 20°F = 6°F; 6°F + 70°F = 76°F mixed air temperature D) Mixed air temperature cannot be calculated with the information given.
Using beams on a low, flat ceiling tends to make the room seem _____.
A. larger B. smaller C. brighter D. wider