The proper color of a gas flame is ____.
A. sharp all blue
B. lazy all blue
C. blue with slight orange tips
D. lazy with yellow tips
Answer: C
You might also like to view...
Each of the following must be taken into consideration when selecting a valve except _____.
a. system pressure b. operating temperature c. the total number of valves in the system d. cost
Economic decision analysis in the construction industry is referred to as the ____.
A. delivery costing technique B. value costing technique C. life-cycle costing technique D. minimal costing technique
In a technical report, the figure numbers and the titles should be placed above the figures.
a. True b. False
On sloping building sites, it is necessary to change the depth of the footings to accommodate the slope.
Answer the following statement true (T) or false (F)