Greaterheights

c - Answer-centrifugal pumps convert rotating mechanical energy into kinetic energy then a) discharge the kinetic energy b) back to mechanical energy c) into potential energy in the form of pressure d) into centrifugal force b - Answer-a volute type pump a) is a positive displacement pump b) has spiral casing with an increasing cross sectional area c) reduces velocity in the discharge nozzle d) is a regenerative type pump a - Answer-pump wear rings are installed on an i...

What are 2 basic forms of energy ? - Answer-Heat energy, mechanical energy What are the 2 types of reciprocating compressors? - Answer-Piston and diaphragm What is viscosity? - Answer-A fluids resistance to flow. What are the 4 types of drivers - Answer--Steam Turbines -Gas Fired Turbines -Electric Motors -Gasoline and Diesel Engines What is temperature? - Answer-A measurement in degrees of how hot or cold something is. How are compressors rated? - Answer--Discharge Pressure- (...

Centrifugal pumps do not develop good suction lift because: a. Atmospheric pressure is usually too low b. The pumped medium relative density is too high c. Their internal component clearances are too high d. The speed is too low - Answer-C The capacity of a centrifugal pump should only be reduced by: a. Throttling the suction valve b. Closing the suction valve c. Closing both suction and discharge valves d. Opening the pump casing vent valve e. Throttling the discharge valve. - Answe...

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,...

For average operating conditions, it is recommended that 1 ounce of grease be added at what monthly intervals? - Answer-3 to 6 The mechanism or linkage that transmits the mechanical power developed by the prime mover is also known as what? - Answer-Drive How does the diesel engine produce combustion? - Answer-Heat of compression (True or False) Pumps are used to move only water that flows or can be made to flow. - Answer-FALSE Rotary pumps are classified by the type of _____. - Answe...

Portable air compresser units or AC units - Answer-What are rotary screw pumps used for? 360 - Answer-How many degress does the essentric rotate to complete one cycle? Single acting piston compressors - Answer-Simplest form of compressors Rotary screw, sliding vane, liquid ring, lobe - Answer-Types of PD compressors Prevent gas leakage - Answer-Purpose of seal on compressors Receiver, oil reservoir - Answer-Where do you check for water on a compressor Purpose of piston rings - ...

In a warm air heating system the cold air return registers are located a) in exterior walls b) in interior locations c) under windows d) in floors e) in ceilings - Answer-B The major disadvantage of an electric resistance coil furnace for warm air heating is a) the high cost of electricity b) the danger from electric shock c) the high cost of maintenance d) the large size of the furnace e) the location of electrical wiring - Answer-A Lowboy furnaces are just over a) 1.0 m in h...

This is the distance between the surface of the liquid level of a supply source located below a pump and the center line of the pump: Select one: a. total static head b. static discharge head c. static suction head d. static suction lift - d The fact that different shaped containers, filled with liquid of the same height, have the same applied force by the liquid on the base of each container, is referred to as: Select one: a. Peterʼs Paradox b. Pascalʼs Paradox c. Pandaʼs Parad...

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 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 Oil additives: A) Never lose their effect during use of the oil B) Are not a component of...

what is the key benefit of multi-var charting? - Answer-it assists in the breakdown of components of variation such as positional, cyclical, and temporal deciding to collect sample from a population is often - Answer-an economical decision A Six Sigma project had a lot of improvement measures suggested on training people, setting standardized job instructions, getting surveys done from employees, and so on. Who would be the focused audience for whom this project was aimed at? - Answer-inte...