TCFP Driver Operator Masterclass Questions and Answers

1. What is the atmospheric pressure at sea level? A. 3.1417 psi (22 kPa) B. 7.69 psi (53 kPa) C. 14.7 psi (101 kPa) D. 21.3 psi (147 kPa)answer: C NFPA 1002: 10.2.1, 10.2.1(A) Page: 324 2. What liquid is used to measure vacuum due to its density? A. 2-propanol B. Glycerol C. Water D. Mercuryanswer: D NFPA 1002: 10.2.1, 10.2.1(A) Page: 324 3. A fire pumper in good condition should be able to develop a vacuum equal to about: A. 17 inches (391.4 mm Hg). B. 22 inches (507.8 mm Hg). C. 27 inches (623.2 mm Hg). D. 30 inches (692.4 mm Hg).answer: B NFPA 1002: 10.2.1, 10.2.1(A) Page: 324 4. What term refers to the height that a column of water can be lifted in a quantity considered sufficient to provide reliable fire flow? A. Positive lift B. Atmospheric lift C. Dependable lift D. Acceptable liftanswer: C NFPA 1002: 10.2.1, 10.2.1(A) Page: 325 5. Which term refers to the process of removing air from a fire pump and replacing it with water? A. Intake B. Rotary C. Venturi D. Priminganswer: D NFPA 1002: 10.2.1, 10.2.1(A) Page: 325 6. What is the best way to assess the operational readiness of the priming system? A. Perform a vacuum test B. Perform a pump test C. Perform a sprinkler test D. Perform a hydrant testanswer: A NFPA 1002: 10.2.1, 10.2.1(A) Page: 328 7. When a reliable public or private water system is not available, drafting operations, relay pumping, water shuttles, and nurse tender operations will become the responsibility of the: A. tanker officer. B. pumping officer. C. water supply officer. D. drafting officer.answer: C NFPA 1002: 10.2.1, 10.2.1(A) Page: 330 8. What does the "C" stand for in the formula Q=L × W × D × C? A. Coefficient B. Calculation C. Constant D. Coefficient calculationanswer: C NFPA 1002: 10.2.1, 10.2.1(A) Page: 331 10. Using the formula Q =W × D × V × C, calculate the amount of water available in a stream that is 10 ft (3.05 m) wide and 2 ft (0.61 m) deep. The water is traveling at 15 ft/min (4.57 m/min). A. 2250 gpm (8520 L/min) B. 2350 gpm (8896 L/min) C. 2450 gpm (9275 L/min) D. 2650 gpm (10,031 L/min)answer: A NFPA 1002: 10.2.1, 10.2.1(A) Page: 331