How often must all smoke detectors be tested to ensure that the detector is operational and responds as intended?
A. semi-annually
B. monthly
C. bi-monthly
D. annually
Answer: D. annually
You might also like to view...
? Identify and state the historical significance of Citizen Edmond Genêt.
What will be an ideal response?
Plants obtain nitrogen from the soil by taking up ________
A) soluble organic compounds B) soluble anions C) soluble cations D) all of the above E) none of the above
All of the following information is listed on the MSDS EXCEPT __________
A) Expiration date B) First aid information C) Health hazards D) Physical properties of the chemical
What is the advantage of controlling the air-fuel ratio to a stoichiometric ratio?
A. A stoichiometric ratio reduces the production of toxic emissions within the engine's cylinders B. A stoichiometric ratio helps the three-way catalytic converter perform at its peak efficiency C. A stoichiometric ratio increases the potential for performance when the engine is under heavy load D. Both A and B