Which of the following gases is not produced in fires?

A. Carbon monoxide
B. Hydrogen cyanide
C. Carbon dioxide
D. Oxygen


Answer: D. Oxygen

Trades & Technology

You might also like to view...

If two sides of a triangular lot are 90 feet and 120 feet and meet at a 90-degree angle, the length of the third side of the lot is _____.

a. 120 feet b. 150 feet c. 180 feet d. 240 feet

Trades & Technology

A measurement of the actual weight of water in a given volume of air is _____________________

A) Absolute humidity. B) Dew point. C) Relative humidity. D) Absolute pressure.

Trades & Technology

The processor unit responsble for peforming operations such as multiplication and complementing binary data values is the ________

A) timing and control unit B) register array C) arithmetic logic unit D) instruction decode register

Trades & Technology

Which of the following represents the lowest vacuum?

A. 10 psia B. 5" Hg VAC C. 5 psig D. 1000 microns

Trades & Technology