What is the biggest single source of carbon monoxide emissions in North America?

A. Industry emissions.
B. Gasoline and diesel engines.
C. Off highway light cuty diesel engines.
D. Heavy duty diesel engines.


Answer: B

Trades & Technology

You might also like to view...

A ____ is used to smooth the pulsations caused by a bridge rectifier.

A. phasor B. filter capacitor C. transistor D. diode

Trades & Technology

The primary purpose of full-depth blocking in a floor frame is to

A) reduce tensile stresses in floor joists. B) give additional nailing surface for a gypsum board ceiling. C) give additional nailing surface for floor sheathing. D) prevent buckling of floor joists. E) reduce compressive stresses in floor joists.

Trades & Technology

All business correspondence should be typed on good quality white- or cream-colored paper with a printed letterhead

Indicate whether the statement is true or false

Trades & Technology

One important function of a dynamic routing protocol is to save the server's processing power

Indicate whether the statement is true or false

Trades & Technology