Supply line valve - Study guides, Class notes & Summaries

What is the first thing a tech should do when arriving at a no combustion call? - Answer- Ask how many times the customer reset the unit. What is the best long term solution for preventing a clogged nozzle? - Answer- -Remove any underground storage tanks. -Install a quality oil filter. -Cut the suction line 10" above the tank outlet to prevent sludge. Hot water and steam valves are interchangeable. - Answer- False When in the presence of a flame, a cad cell normally reads.. - Answe...

Back siphonage - ANSWER backflow due to negative or reduced pressure in water system. occurs during low pressure events such as a line leak Reverse flow caused by a loss of supply pressure Back Pressure - ANSWER Is caused when a potable water system is connected to a non potable supply operating under a higher pressure that pushes contaminated liquid back into the public water system Back Pressure - ANSWER Occurs when the pressure of the connected system exceeds the pressure of the drin...

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....

According to the NFPA, the minimum size of water tank for apparatus to be classifies as an engine is: - ANSWER-300 gallons Attack lines must supply a sufficient amount of water while remaining maneuverable. What is the standard coupling size and gallonage range for attack lines? - ANSWER-1 1/2; 100-200 gallons For the safety of fire fighters, ____________ is/are attached to the pump - ANSWER-a relief valve or pressure governor Personal Protective Equipment (PPE) protects fire fighters i...

Fire Officer Florida State Test 100% Correct NFPA 10 Fire Extinguishers NFPA 13 Sprinklers NFPA 14 Standpipes NFPA 70 National Electric Code NFPA 72 Fire Alarms NFPA 96 Hood Systems NFPA 101 Life Safety Code NFPA 220 types of Building Construction NFPA 251 Testing of Building Construction NFPA 255 Interior Finishes: Steiner Tunnel Test NFPA 1031 Professional Qualifications for Fire Inspector Sprinklers have been in existence for 100 years Sprinklers are __ or __ effective. 96% or 98%...

be responsible for maintenance of plumbing systems. - answerowner or owner's agent Plumbing systems, lawfully in existence at the time of the adoption of this code shall be permitted to have their use, maintenance, or repair continued as long as the original design has no hazard to _________________________________ created by such plumbing system. - answerlife, health, or property When the requirements within the jurisdiction of this plumbing code conflict with the requirements of the me...

CDL Class A License Questions and Answers 100% Pass What is the most important reason for doing a vehicle inspection? Saftey for yourself and for other road users. What things should you check during a trip? 1. Instruments 2. Air Pressure Gauge 3. Temperature Gauges 4. Pressure Gauges 5. Ammeter/Voltmeter 6. Mirrors 7. Tires 8.Cargo 9. Lights Name 7 key steering system parts? 1. Tie Rod 2. Steering Column 3. Gear Box 4. Resevoir 5. Steering Knuckle 6. Draglink 7. Spindle Name some suspension...

The valve between the right atrium and right ventricle is named because it has _____. - answers-three cusps A small patch of tissue called the _____ acts as the pacemaker of the heart. - answers-sinoatrial node _____ samples the blood in each heart chamber for oxygen content and pressure. - answers-cardiac catheterization The simplest form of atherosclerosis is _____, which are thin, flat discolorations in the arteries that can enlarge and become thicker as they grow in length. - answer...

Common Hose Materials -Cotton -Nylon -Rayon Vinyl -Poly-mired vinyl -polyester Braided Hose yarn braided over a rubber liner Wrapped Hose fabric or mesh material impregnated with rubber or plastic wrapped around a rubber liner and covered with plastic or rubber Woven Hose rubber liner and one or more woven outer layers Hose Jacket Outer woven layer of a woven hose Hose Coupling Materials Brass alloy Aluminum alloy Magnesium Types of Couplings...

S13 standpipe test Questions Complete Solutions Which option best describes a the term: Operational - ANSWER- Water availability An Automatic Standpipe System is - ANSWER- A standpipe system that is attached to a water supply capable of supplying the system demand at all times and that requires no action other than opening a hose valve to provide water at hose connections. Auxiliary water supply - ANSWER- supplementary source of water for a standpipe and/or sprinkler system. Control Va...