Pump operation Study guides, Class notes & Summaries

Which of the following BEST determines the most advantageous position for an attack pumper? A: Size-up. B: Mutual Aid. C: Experience of crew. D: Time of day or night. correct answers A: Size-up. When fire conditions are evident upon arrival, the driver/operator should place the apparatus in a sage position that...? A: Includes room from vehicles in front of and behind the apparatus. B: Puts the apparatus as physically close to the fire scene as possible. C: Allows personnel to view...

S12 sprinkler test, S13 standpipe test, Sprinklers segment 5, S-12 CITYWIDE SPRINKLER SYSTEMS (Answered) Verified Solution 2023/2024 fire department connection normally on exterior of building... FDNY can pump supplemental water into the sprinkler system, standpipe, or other system furnishing water for fire extinguishment to supplement existing water supplies. system control valve valve controlling flow to water-based fire protection systems. fire command center Designated room or area i...

fdny z51 rmo questions answered 2023 verified graded A+ already passed!the efficiency of the refrigerant cycle is affected by the operation of the condenser. Of the following, a more efficient centrifugal compressor operation results from lowering the condenser pressure In most semi hermetic compressors, the suction vapor is used for cools the motor The amount of refrigerant that flows through the orifices of an economizer is determined by the difference between the high side an...

Hesi Study Module 6 Exam Questions 1. ID: 9Which event would require a nurse to complete and file an incident report? A client has a seizure. The nurse determines that a client would b enefit from the use of a walker to ambulate. The nurse, preparing an intravenous infusion, notes that the battery of an intravenous infusion pump is not working. When a visitor suddenly becomes weak and dizzy, the nurse checks the visitor’s blood pressure and takes the visitor to the emergency department for tre...

Lift can be described as the difference in elevation between the surface of the static water supply and the? A: Nozzle. B: Fire scene itself. C: Center of the pump intake. D: Highest point on the fire apparatus. correct answers C: Center of the pump intake. During the process of drafting, which of the following results in water being forced into the hose and pump because of a partial vacuum created in the pump? A: Pressure in the intake hose and pump equals atmospheric pressure. B: ...

How DC motors operate? Magnetic lines of force are continuous and always form closed loops; Magnetic lines of force do not cross. Armature: (Definition) The rotating windings of a DC motor. The ____ is a movable electromagnet located between the poles of another fixed permanent (field) magnet as shown. Armature A twisting force called ______ must be developed. _____ is produced by mounting a loop in a fixed magnetic field and as long as the fields of the magnet and armatu...

Z-51 Written Exam Questions and Complete Solutions In a steam turbine, what is the function of a Kingsbury thrust bearing? A) Maintain first stage steam pressure. B) Compensate for coupling misalignment. C) Adjust shaft torque at start up. D) Maintain axial positioning of the rotor shaft. - Answer: D) Maintain axial positioning of the rotor shaft. The ratio of actual pressure of water pressure in the atmosphere to the saturated pressure of given temperature is A) partial pressure....

what are two basic pressurized water supply sources used to supply a fire pump correct answers hydrant and a supply hose from another fire pump what are some of the dangers of operating at a vacuum from a pressurized water source from a hydrant correct answers increases the possibility of damage to the fire pump due to cavitation can cause damage to the pump and water system due to water hammer, may damage water heaters or other domestic appliances on a municiple water supply system what a...

Massachusetts Oil burner Practice Exam Questions and Answers 100% Pass The cross connection between two supply tanks shall not exceed? - Correct Answer ️️ -660 gallons When is an automatic draft control not required? - Correct Answer ️️ -When the equipment is designed to control the draft. Combustion performance testing can indicate: - Correct Answer ️️ -Improper air oil mixture, too much combustion air, and low pump pressure. If a second oil-burning appliance is installed in...

NFPA 1901 requires that a parking brake hold a fire apparatus on a _________ percent grade. correct answers 20% A tool to help a FF communicate in the cab of the apparatus during an emergency response is what? correct answers An intercom system What is the length of the course used to demonstrate restricted clearance? correct answers 75 ft Fuel level on the apparatus should not be allowed to fall below what? correct answers Half In the overall review of safety, safety on the fire gro...