Relief valves - Study guides, Class notes & Summaries

MN Boiler License Exam Questions and Answers, Latest Updated 2024/2025 (GRADED) what are the conditions necessary for good combustion? a) low sulfur content b) Thermal, thermocoupler, tubular c) turbulence, temperature, time 3T's - answerc) turbulence, temperature, time 3T's why is secondary air necessary in hand fired boilers? a) Necessary to burn the combustible gases b) if primary air should fail c) used only if sulfur content is high - answera) Necessary to burn the combustible gase...

NHIE {NATIONAL HOME INSPECTOR} COMBINED Exam Questions Reviewed And Revised With Correct Answers <Guarantee Pass |Updated!!> 1) Which of the following is the LEAST important to report when inspecting through the wall air conditioning units? A. Moisture leakage into the wall cavity B. The fan is making a squealing noise C. Excessive rust noted on components D. There was only a 15 degree temperature spread - ANSWER Correct Answer: There was only a 15 degree temperatur...

what is a ALARM NOTIFICATION APPLIANCE - Answer-A fire alarm system component, such as a bell, horn, speaker, light, text display or vibration device that issues an audible, tactile, and/or visual alert. what is a AUTOMATIC BALL DRIP - - Answer-An automatic drain valve horizontally installed at the low point in the piping between the lower check valve and the Fire Department connection of automatic sprinkler systems. Water pressure from a Fire Department pumper automatically closes this val...

Medical Gas 6010 Installers Practice Test Questions and Answers 100% Pass _ % of the zones shall be tested at the outlet most remote from the source by the verifier to complete the piping particulate test? A) 25 B) 50 C) 75 D) 10 A) 25 _ connectors shall connect the vacuum pumps with their intake and outlet piping? A) anti- vibration B) dielectric C) flexible D) insulated C) flexible _ shall not be used to power the venture of a WAGD system? A) inert gas B) instrument air C) medical...

Backflow Prevention Final Questions with Solutions 1. Backflow is defined as: a) the pressure in the distribution piping of the potable water supply b) the undesirable reversal of water, other liquids, gases or substances in the distribution pipes of the potable water supply c) high pressure in the pipes of the water user d) excess pressure through a pressure regulator b) the undesirable reversal of water, other liquids, gases or substances in the distribution pipes of the potable water su...

Which valves are located between the boiler and the feedwater pump? - Feedwater Stop Valve and Feedwater Check Valve What is the function of the Check Valve? - To prevent the boiler pressure from forcing the boiler water back into a feedwater tank or deaerator when the pump shuts off. (Allows flow in only one direction) The 4 safety features required on a steam boiler is: - Safety Relief Valve, Blow Down Valve, Low Water Cut-off, Pressure Gauge Safety Relief Valves should be set by a: - Q...

AWWA practice test study guide Questions and Answers Scored A+ A DOUBLE CHECK BACKFLOW PREVENTION ASSEMBLY TEST AND MAINTENANCE REPORT SHALL INCLUDE ALL OF THE FOLLOWING INFORMATION EXCEPT THE: A) ADDRESS OF THE INSTALLATIONB) SERIAL NUMBER OF THE ASSEMBLY C) TEST RESULTS OF CHECK VALVE NUMBER ONE (1) D) TEST RESULTS OF CHECK VALVE NUMBER TWO (2) E) DIFFERENTIAL PRESSURE RELIEF VALVE DISCHARGE READING E) DIFFERENTIAL PRESSURE RELIEF VALVE DISCHARGE READING THE BY-PASS LI...

S13 standpipe test Questions Complete Solutions Exam Questions and Answers 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 spri...

BACKFLOW PREVENTION FINAL EXAM QUESTIONS WITH COMPLETE SOLUTIONS VERIFIED GRADED A+ 1. Backflow is defined as: a) the pressure in the distribution piping of the potable water supply b) the undesirable reversal of water, other liquids, gases or substances in the distribution pipes of the potable water supply c) high pressure in the pipes of the water user d) excess pressure through a pressure regulator b) the undesirable reversal of water, other liquids, gases or substances in the distrib...

What is the minimum pipe size of the gauge glass blowdown line? A. 3/8 inch B. 1/2 inch C. 3/4 inch D. 1 inch - Answer-A. 3/8 inch Only one bottom blowdown valve is required for boilers under A. 100ft^2 of heating surface B. 500 ft^2 of heating surface C. 100 psi MAWP D. 500 psi MAWP - Answer-C. 100 psi MAWP The type of safety valve allowed on boilers is the A. Weight and lever B. Thermostatic relief C. Spring-loaded pop D. All the above - Answer-C. Spring-loaded pop ...