Axial flow pumps Study guides, Class notes & Summaries

A change in a project is a made due to errors/emissions - Constructive change A condenser that consists of a welded steel shell containing a number of straight tubes fastened in tube sheets that close the shell - Shell-and-tube condenser A heat pump that takes heat from the outdoor air and rejects it to the inside space in the winter. In the summer, the reverse happens-heat from indoors in rejected outside. Most commonly found in residential and smaller commercial applications, due to being...

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....

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...

What are grab samples and when is it used? - ️️A single sample taken at one place and time. Used when water quality and quantity are not variable What is used to measure flow in an open channel? - ️️Weirs or flumes. Flow is determined by the height of water at a particular point Why are particles that cause turbidity harmful? - ️️They can hide or entrap harmful organisms so that the disinfectant is unable to reach them. It calls increases CL demand which can be carcinogenic Wh...

ER-ExamsAppDownload:-clickhere Hydraulic Machines Interview Questions and Answers : 1. Reciprocating pumps are no more to be seen in industrial applications (in comparison to centrifugal pumps) because of (a) high initial and maintenance cost (b) lower discharge (c) lower speed of operation (d) necessity of air vessel (e) all of the above. Ans: a 2. In a centrifugal pump casing, the flow of water leaving the impeller, is (a) rectilinear flow (b) radial flow (c) free vort...

Latest Hydraulic Machines Questions and Answers pdf free download 1. Reciprocating pumps are no more to be seen in industrial applications (in comparison to centrifugal pumps) because of (a) high initial and maintenance cost (b) lower discharge (c) lower speed of operation (d) necessity of air vessel (e) all of the above. Ans: a 2. In a centrifugal pump casing, the flow of water leaving the impeller, is (a) rectilinear flow (b) radial flow (c) free vortex motion (d) forced vortex ...

CHAPTER 3 NEUROSCIENCE CHAPTER LEARNING OBJECTIVES 1. Understand the key methods that scientists use to learn about brain anatomy and functioning. • Neuroscientists examine autopsy tissue and patients with localized brain damage to learn about brain anatomy and brain function. • EEGs and neuroimaging, such as PET scans and fMRI, allow scientists to study brain function in the living brain. 2. Describe the two major types of cells in the nervous system and describe the prima...

What's the difference between Static and Dynamic conditions in a pump? - Answer-Static - when the pump is not running Dynamic - when the pump is running What is packing material and how is it used? - Answer-A flexible material cut into rings and placed inside the stuffing box to help seal the liquid inside of the pump. What are the two types of lubrication systems for pumps? - Answer-Passive and forced lube systems Name some anti-friction Bearings used on pumps. - Answer-Ball, Roller,...

MSSC Maintenance Awareness - Questions and Answers A viscosimeter is a device used for measuring the viscosity of an oil and is generally __________ accurate. 95%-99% A lube oil sample from a gearbox should be taken __________. as close to the gears as possible An indication of bearing problems could be __________. suspended metal found during an oil analysis __________ lubricants are ideal for use in extreme temperatures that would cause oils and greases to freeze or burn out. Solid Product b...

Power Engineering ABSA 4B Exam Questions and Answers 100% Pass After a bearing has been removed for cleaning, it should be soaked for a period of _____ hours in clean solvent. A) 12 to 16 B) 12 to 14 C) 14 to 16 D) 10 to 12 E) 15 to 16 A- Answer If an oil's viscosity changes a great deal with little temperature change, it will then have a: A) High pour point B) High carbon residue C) High viscosity index D) Low pour point E) Low viscosity index E- Answer Oil additives: A) Nev...