Which of the following is a measure of combustion efficiency?
A) CO B) HC C) O2 D) CO2
D
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Which of the following indices measures the effectiveness of the transparency of glass in relation to the solar heat gain through glass?
A) SHGC B) SC C) LSG D) UVT E) None of the above
The ____________________ box is usually insulated and built from materials like wood, plastic, or some other corrosion resistant painted material.
Fill in the blank(s) with the appropriate word(s).
Which of the following explains the need to bar the engine only in its correct direction of rotation when timing a hydromechanical port-helix metering, injection pump to an engine?
A. delivery valve core seating B. engine timing gear backlash factors C. timing index location D. calibration pointer location
The ozone layer is located:
A. Between 1 to 3 miles (1.6 to 4.8 km) above the earth's surface B. Between 0 and 7 miles (0 to 11 Km) above the earth's surface C. Between 7 and 30 miles (11 to 48 km) above the earth's surface D. Between 30 and 300 miles (48 to 482 km) above the earth's surface