When an oxygen analyzer is used, the maximum percentage of oxygen generally allowed for an acceptable
welding atmosphere is _____.
a. 1 percent
b. 4 percent
c. 9 percent
d. 14 percent
a
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The longest run method for sizing fuel gas piping bases pipe capacities on which of the following lengths?
a. the appliance that is closest to the meter b. the appliance that is farthest from the meter c. the appliance that is half the distance to the meter d. none of the above
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The substance people with diabetes use to control their blood sugar levels is:
a. blood c. sugar b. urine d. insulin
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___________ is the removal of vegetable matter from fleece by chemical means
a. Carbonizing c. Boiling b. Scouring d. Drying
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In what year was the automatic transmission introduced in passenger vehicles?
A) 1952 B) 1920 C) 1963 D) 1940
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