Pumps hydraulics - Study guides, Class notes & Summaries

_______ is measured in feet. - Answer Head is measured in feet. It is best to use a __________ type of impeller for pumping water with a low volume of solids. - Answer It is best to use a closed type of impeller for pumping water with a low volume of solids. Atmospheric pressure at sea level is equal to ____ feet of water head 14.7 psi = 0.433 ft/psi = 33.9 ft. - Answer Atmospheric pressure at sea level is equal to 34 feet of water head 14.7 psi = 0.433 ft/psi = 33.9 ft The study of f...

Demulsibility is the ability of oil to a. absorb into another substance b. absorb into water c. separate from water d. maintain visibility - Answer- c. seperate from water When oxidation of oil takes place a. oil is formed b. sludge is formed c. pour point is dropped d. slurry is formed - Answer- a. sludge is formed One disadvantage of synthetic based fire resistant fluids is they a. are expensive b. are not coded c. fluid flow is restricted d. it attacks packing normally used...

Demulsibility is the ability of oil to a. absorb into another substance b. absorb into water c. separate from water d. maintain visibility c. seperate from water When oxidation of oil takes place a. oil is formed

The basic methodology of the fire investigation should rely on the use of a ______________________ and attention to all relevant details. a. systematic approach b. approximation approach c. methodology approach d. general approach a. systematic approach With few exceptions, the proper methodolgy for a fire or explosion investigation is to first _____________________ then investigate the cause, circumstances, conditions, or agencies that brought the ignition source, fuel, and oxidant ...

Water Distribution 1 Questions and Answers 100% Pass Head is measured in feet A plat is A map Which type of valve will prevent the collapse of a pipe Air-and-vaccume relief valve The highest degree of protection of a coated steel pipe is cathodic protection At which time of day is the age of the water stored in the distribution system the highest? In the morning One of chlorines advantages is that it has a persistent residual Chlorine gas is _____ times heavier than air. 2.5 After a water...

INTERMEDIATE HYDRAULICS EXAM QUESTIONS WITH CORRECT DETAILED ANSWERS A valve is used to fill large volume cylinders as they extend by gravity or suction instead of using large volume pumps. a. Directional control b. Ball c. Needle d. Prefill - Answer-Prefill Actuator relaxation in a multi-actuator circuit is . a. When the actuators are retracting b. A drop in force level that holds the actuators requires more power c. The increase in force level when one of the actuators requires m...

What is Pascal's Law? - answer-Pressure in a liquid transmit force equally in all directions How is pressure measured? - answer-pounds per square inch (psi) How is hydraulics related to Pascals Law? - answer-Because hydraulic fluid doesn't compress, Pascal's Law states that pressure produced in a liquid transmits force equally in all directions. How do you find pressure? - answer-Divide pounds over square inches How is work measured? - answer-Foot pounds (ft-lbs) How do y...

Endeavor CRJ900/700 SYSTEMS (workbook) Hydraulics, Flight Controls, Landing Gear 100% solved How many hydraulic pumps exist on the CRJ 900? - 6 pumps, 4 electric and 2 engine driven. Arrange the hydraulic systems, in terms of size, from largest to smallest. - 3-2-1 Which components would you lose if you lost Hydraulic System 1? - Look at Hydraulic Synoptic Page Which components would you lose if you lost Hydraulic System 2? - Look at Hydraulic Synoptic Page Which components would you los...

A dry hydrant provides access to a: Select one: A. static water source. B. portable water tank. C. municipal water system. D. cistern or well. - Answer- A. static water source. An object in motion possesses which kind of energy as a result of that motion? Select one: A. Entropic B. Inertial C. Kinetic D. Potential - Answer- C. Kinetic Fire fighters may need to hold on to the ________ while filling a self-expanding portable tank. Select one: A. collar B. rope C. hose D. frame...

A dry hydrant provides access to a: Select one: A. static water source. B. portable water tank. C. municipal water system. D. cistern or well. - ANSWER A. static water source. An object in motion possesses which kind of energy as a result of that motion? Select one: A. Entropic B. Inertial C. Kinetic D. Potential - ANSWER C. Kinetic Fire fighters may need to hold on to the ________ while filling a self-expanding portable tank. Select one: A. collar B. rope C. hose D. frame -...