1. How does water enter the pumps when drafting if there is no "intake" pressure? 2. Define drafting. 3. What factors limit a pump's ability to draft? 4. Why is it impossible to obtain a perfect vacuum in a pump? 5. One foot (ft) of lift is equivalent to what reading in Hg? 6. When the gauge reads 0 psi relative pressure, it is _________ absolute 7. Each 1 psi of pressure is capable of lifting water feet. 8. What is your engine pressure? 250' of 1-3/4" hose with a handheld spray nozzle at 75 psi. 9. What is your engine pressure? 100' of 2 " hose flowing 600 gpms smooth bore MASTER stream straight nozzle. 10. What is your engine pressure? 150' of 2-1/2" hose with a 1-1/4" Handheld Line smooth bore tip at 50 psi