Globe valves - Study guides, Class notes & Summaries

General Wastewater Treatment: What is the pressure head caused by? - Answer Water elevation General Wastewater Treatment: What color should the piping be that contains reclaimed water? - Answer purple General Wastewater Treatment: What is the term for the height to which a column of water will rise in a well. - Answer piezometric surface General Wastewater Treatment: In general, what is the maximum practical lift of pumps - Answer 15-25ft General Wastewater Treatm...

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 gases when pressure increases on steam from a given amount of water what happens to...

General Wastewater Treatment: What is the pressure head caused by? - CORRECT ANSWER-Water elevation General Wastewater Treatment: What color should the piping be that contains reclaimed water? - CORRECT ANSWERpurple General Wastewater Treatment: What is the term for the height to which a column of water will rise in a well. - CORRECT ANSWER-piezometric surface General Wastewater Treatment: In general, what is the maximum practical lift of pumps - CORRECT ANSWER-15-25ft General Wastewat...

An automatically fired boiler equipped with a high-low fire control, if the burner stays on low fire only: *A* the modulating control may be malfunctioning *B* the programmer is stuck in the pre-purge phase *C* the safety lockout required resetting *D* the igniter is defective A On low pressure steam boilers, the boiler outlet valves are usually: *A* gate valves because of their low resistance to flow *B* gate valves because of the ability to control flow *C* globe valves because of...

Treatment 2 Wastewater Operator certification Study Guide Exam GradedA General Wastewater Treatment: What is the pressure head caused by? - CORRECT ANSWER-Water elevation General Wastewater Treatment: What color should the piping be that contains reclaimed water? - CORRECT ANSWERpurple General Wastewater Treatment: What is the term for the height to which a column of water will rise in a well. - CORRECT ANSWER-piezometric surface General Wastewater Treatment: In general, what is the...

NCCER Plumbing Level 2 - Questions and Answers Water softeners are not required to be connected to a line serving a hose bibb Rate of flow in water supply piping is measured in gallons per minutes Sizing tables showing the WFSUs for residential fixtures are found in Local codes A curb box provides access to a Curb stop To ensure frost protection when installing water supply piping, Insulate water supply pipes that run inside exterior walls Before you install each fixture, confirm the stubout d...

Gate valves should not be used to _____. correct answers throttle flow The main advantage of using gate valves instead of globe valves is that the gate valves ________. correct answers have less flow restriction Which of the following valves is a rotary action valve? correct answers Ball Which of the following valves is easily adapted to multiport construction? correct answers Plug A globe valve that closes against the direction of fluid flow is said to be _____ . correct answers ...

The Fireman System originates below the waterline with the __________.Correct Answer: Sea Chest Which valve is the last valve you open before putting the pump on line and the first valve you will shut when securing the pump?Correct Answer: Fire Pump Discharge Valve What valves are used to isolate system components?Correct Answer: Cutout, Discharge, and Cross Connect Valves Gate, Ball, Globe (Pump Discharge), or High Performance butterfly valves are considered ________________....

Pneumatics Questions and Answers with Certified Solutions What method is employed by an air line filter to remove large particles and water through the filter bowl? A swirling action. Which device is used to cool the air, allowing some dirt and oil vapor to settle out and a significant amount of water vapor to condense? An aftercooler. What does a nominal rating of an air filter represent? The average size of the pores. What is required to avoid component sticking and reduc...

Treatment 2 Wastewater Operator certification Study Guide Exam GradedA General Wastewater Treatment: What is the pressure head caused by? - CORRECT ANSWER-Water elevation General Wastewater Treatment: What color should the piping be that contains reclaimed water? - CORRECT ANSWERpurple General Wastewater Treatment: What is the term for the height to which a column of water will rise in a well. - CORRECT ANSWER-piezometric surface General Wastewater Treatment: In general, what is the...