Residential buildings consume approximately ____% of the energy produced in the United States for heating, cooling, cooking, water heating, and operating electrical devices.
A. 5
B. 12
C. 17
D. 22
Answer: D
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Answer the following statements true (T) or false (F)
1) Class A fires involve flammable liquids and gases. 2) Class D fires involve combustible metals. 3) Fire walls are defined by their ability to slow the spread of fire. 4) Lower flammable limit refers to the percentage of vapor in the air above which a fire cannot occur because of insufficient fuel. 5) Upper flammable limit refers to the percentage of vapor in the air above which there is insufficient air for a fire.
A ________ is a controlled environment chamber where bedding plant seeds are germinated prior to moving them to the greenhouse.
Fill in the blank(s) with the appropriate word(s).
A small lapse in welder technique and concentration could lead to weld ________, such as lack of fusion
A) A bird's nest B) Cracks C) Defects D) CO2 leaks E) None of the above
Which truck OEM is associated with torque proportional differentials?
A. Freightliner B. Kenworth C. Navistar International D. Mack Trucks