Relay pumping - Study guides, Class notes & Summaries

Chapter 16 Water Supply| PreAssessment [Comprehensive] Q&A 2025| Best Reviewed A dry hydrant provides access to a static water source Identify the primary factors that determine the flow rate during a fire pump operation. The diameter of the hose and the water pressure. The length of the hose and the type of nozzle. The type of water source being used. The type of fire pump being operated. --- Describe the function of a relay pumping operation in rural firefighting. It ensures...

D-O Pumper CDC CCRE QUESTIONS AND ANSWERS GRADED A+ The lowest acceptable fuel gauge reading on a fire apparatus during inspection is: at least 3/4-full. The rescue tool supply system equivalent of a junction box is called: a manifold 3 conditions where you should drive your fire apparatus in low gear: 1. Approaching an intersection 2. Travelling around a corner 3. Climbing a hill Three conditions to wearing your seat belt before an emergency vehicle moves: 1. Providi...

Pumper Operations Chapter Review Study Questions 2024. When performing drafting operations, for a pump to operate at its rated capacity ____ inches of water must be above a traditional strainer. - correct answer 24 Calculate the capacity of this circular shaped pool with a radius of 3 feet and a average depth of 4 feet. - correct answer 847.8 gallons it is important to monitor the water level in the onboard tank because: - correct answer You need to know if the incident requires additiona...

3). Open the bleeder valve on the gated intake so that air can escape ahead of the water supply. When the air has been purged from the bleeder and a steady stream of water drains from the valve, it may be shut. The water supply is now at the pump and ready for transition. Minimum residual pressure driver/operators should maintain during pumping operations: - correct answer 20psi Dead end mains - correct answer Water main that is not looped and in which water can only flow in one direction....

Pumping Apparatus Driver Operator Questions and Answers At what speed will the siren not be heard 50MPH Which NFPA specifies the number of exercises candidates should pass NFPA 1002 How do you minimize kinks in the hose Apply two full twist Water expands at 1,700 times 1 square inch column of water will exert 1 foot high of how much pressure .434 psi What is the term for the height of the water supply above the discharge orifice Head Pressure What...

Driver Operator Study State Questions and answers graded A+ 8.35 pounds - How much does 1 gallon of water weigh? 231 cubic inches - How many cubic inches does 1 gallon of water contain? 62.5 pounds - How many pounds does 1 cubic foot of water weigh? 7.481 gallons - How many gallons of water does 1 cubic foot contain? 1,728 cubic inches - How many cubic inches are there in 1 cubic foot? .434 psi - A 1 foot high column of water exerts how much psi at it's base? 2.304 ...

The part of the total pressure loss as water moves through a hose or piping system, caused by water turbulance and the roughness of the interior surfaces of the hose or pipe - Answer- Friction loss Fire stream flowing 350 gpm or greater - Answer- Master stream A pressure surge that accompanies the sudden deceleration or complete stoppage of water flow within a pipe or conduit - Answer- Water hammer The force of water being discharged that is directed to a person or device that is holdin...

DAANCE 2023/2024 EXAM WITH CORRECT ANSWERS Hypoxia - CORRECT ANSWER-Deficiency of oxygen in body tissue Give oxygen prior to anesthesia Laryngospasm - CORRECT ANSWER-Reflex of vocal cords to prevent passage of foreign material (blood/saliva). Treatment of laryngospasm - CORRECT ANSWER-1. 100% O2 2. Suction 3. Administer succinylcholine (10-20mg) IV (may precipitate Malignant Hyperthermia) * In children, succinylcholine should be given with atropine * Deepen anesthesia (case by case s...

You supply air to the trailer tanks by: A. pushing in the trailer air supply valve B. pulling out the trailer air supply valve C. connecting the service air line 2. Loss of air pressure in the emergency line causes: A. the relay valves to close B. an increase in air pressure to the service line C. the trailer's emergency brakes to come on 3. A tractor with a __ trailer requires the shortest amount of stopping distance. A. empty B. lightly loaded C. fully loaded 4. Which of these sta...

When are lift stations required? - move wastewater from low to high elevation - gravity sewer must service lower area - trench depth becomes excessive - WWTP is hydraulicly uphill - life is from one gravity system to another - moving from gravity to pressure system What do lift stations require? - being super reliable - high quality equipment - standby power supply - minimum two pumps at Qmax capacity What are the two types of lift stations? - dry well -wet well ...