Which of the following statements about fire fighting foams is MOST accurate?
A. The majority of fire fighting foams are Class A and Class K.
B. Class A foam is especially effective on hydrocarbon fuels and polar solvents.
C. Foam works by forming a blanket of foam on the surface of burning liquid and solid fuels.
D. Foam works by increasing the surface tension of water, making fire streams more cohesive to reach a greater distance.
C
You might also like to view...
________ is a comprehensive software program that manages many of the administrative and business functions of a medical practice.
A. Premier office management system (POMS) B. Electronic health manager (EHM) C. Practice management software (PMS) D. Health business manager (HBM)
Convert 70.0 mg/dL glucose to mmol/L glucose
A. 3.89 mmol/L B. 38.9 mmol/L C. 70.0 mmol/L D. 389 mmol/L
The most unique feature of the Massachusetts plan was a mandate that ____
A) all plans contain a specified level of subsidies regardless of income B) all employers had to provide health insurance for their employees C) government, business, and individuals share the costs equally D) everyone who could afford it had to purchase health insurance
Which term means closer to the point of attachment?
A) Proximal B) Dorsal C) Distal D) External