Hydraulics Practice Test Questions with Correct Answers

Hydraulics Practice Test Questions with Correct Answers What pressure is 2-1/2" hose tested at? - Answer-300 psi What size hose is the equation (2)Q(sq)+Q based on? - Answer-2-1/2" hose What is the nozzle pressure for a smooth bore handline? - Answer-50 psi What is the nozzle pressure for a fog handline? - Answer-100 psi What is the nozzle pressure for a master stream smooth bore? - Answer-80 psi What is the nozzle pressure for a master stream fog? - Answer-100 psi How much psi is lost in an appliance? - Answer-15 psi The intake pressure should always be kept above what psi? - Answer-20 psi Define hydraulics? - Answer-The study of water and other fluids at rest and while in motion? What is the most practical, cheapest, and most commonly used extinguishing agent? - Answer-Water What are the 6 priciples of hydraulics? - Answer-1) Fluid pressure is perpendicular to any surface on which it rests, 2) Fluid pressure at a point in a fluid at rest is of the same intensity in all directions, 3) Pressure applied to a confined fluid from an outside source is transmitted equally in all directions, 4) The downward pressure of a liquid in an open vessel is proportional to its depth, 5) The downward pressure of a liquid in an open vessel is proportional to the density of the liquid, 6) The downward pressure of a liquid on the bottom of a vessel is independent of the shape of the vessel itself How many gallons per minute can a 2-1/2" provide? - Answer-400 gallons