A centrifugal - Study guides, Class notes & Summaries

NATE Exam: AC & HP Questions With 100% Correct Answers | Updated & Verified 2024 a (Centrifugal) - Correct Answer-Which of the following compressors are considered a dynamic compressor? a. Centrifugal b. Reciprocating d. Rotary c. Scroll

Florida Pump Operator Exam Prep latest update 2023 Ground reservoirs are man-made impoundments that have the same characteristics of a pond or small lake. They are most commonly found at: A. Commercial properties B. Industrial properties C. Municipal water treatment facilities D. All of the above Pump piping on fire apparatus must be able to withstand hydrostatic test pressures of: A. 100 psi B. 250 psi C. 500 psi D. 750 psi NFPA 1901 brake test requires that new fire appara...

A-35 Air compressor COF Exam Questions And Answers A permit is required for any air compressor that compresses air at pressures above ___ pounds per square inch (psi). These permits are issued by the Bureau of Fire Prevention - ANS 100 The different types of air compressors are - ANS the reciprocating, centrifugal, rotary and solar compressors The most commonly used air compressor is the - ANS reciprocating air compressor The air compressors can be powered by - ANS elec...

The archmedian screw is pumps material by? A bolt threaded screw in an enclosed cylinder or open trough If material being pumped needs to remain at a certain temperature ________ pipes are used Insulated Centrifugal pumps are good for pumping waste because of Low head pumping requirements and the ability to pass small particles Which is the most well suited pump for pumping high viscosity material? Positive displacement pumps Greases, heavy mastics, cement, and si...

Aquatic Facility Operator questions with complete solutions 2023What is NOT one of the AFO's primary responsibilities? Teaching Lessons What should you do every day as a part of your AFO safety duty program? Facility Inspection How many gallons of water is in one cubic ft? approximately 7.5 How do you calculate how many gallons are in a pool? 1. calculate the volume (LxW)xDavg 2. multiple by 7.5 gallons Law of Dilution During a turnover less than half of the ...

TCEQ D Wastewater Exam Questions and Answers Minimum velocity at average flow in a sanitary sewer should be about ____ft/sec? - Answer-2ft/sec What types of pumps are used? - Answer-Centrifugal Lime controls what? - Answer-pH Good house keeping is important for the operators _______ - Answer-Safety F/M ratio formula represented by: - Answer-Volatile, suspended solids, aeration tank (VSSAT) A chlorine leak is detected by_______ - Answer-Vapor 10% ammonia Main purpose of BOD ...

Seeding of BOD samples is necessary when samples - Correct Answer (All of the above) have a chlorine residual, have a previously been chlorinated, have been subjected to high temperatures, contain high or low pH industrial wastes When is blue-green algae the most dominant on a pond treatment system? - Correct Answer Summer A 30-inch diameter wastewater interceptor is observed to be flowing half-full at about two fps. The approximate volume of wastewater flowing through the pipe is 3.14x1.2...

A fixed volume of liquid is discharged by a centrifugal pump (TRUE/FALSE) False Which centrifugal pump component prevents reverse flowof liquid through the pump? Check valve What is used to move fluid from one location to another? Pump What centrifugal pump component rotates and causes centrifugal force to act on the fluid ? Impeller What centrifugal pump component prevents over heating of the pump? Recirculation line What condition occurs if there are bubbles forming in the pump casing? ...

20 milliamperes is the same as ________. (Remember, 1 milliampere = 0.001 ampere.) - Answer 0.02 amperes The orbital shell that has a maximum electron capacity of 18 electrons is the ___________ shell. - Answer Third A semiconductor material - Answer Has four valence electrons. The major factor for determining whether a particular element is a conductor, a semiconductor, or an insulator is - Answer The number of electrons in the valence shell. Elements that are called conductors - Answer ...

EPA 608 Type 3 Questions and Answers Already Passed On low pressure chillers, moisture typically enters the refrigerant system through air leaks from areas with gaskets or fittings The maximum test pressure for leak testing a low pressure centrifugal is: 10 psig Leak test and repair the chiller to reduce refrigerant loss from a pruge unit on CFC-11 chiller ... A hydrostatic tube test kit is used to: determine if a tube leaks Commercial and industrial process refrigeration systems must be rep...