Centrifugal pump - Study guides, Class notes & Summaries

Q-01 FDNY Exam With 100% Correct Answers Rupture members, when used in parallel with a relief valve, are not to exceed _____% above designed working pressure - answer20% Butterfly valve: where can it be used? - answerCan be used on the inlet and outlet of a water pump What electrical motor protection device automatically resets itself? - answerThe thermal protector 746 watts equals how many kilowatt hours? - answer.746 kilowatt hours What position is the liquid line service valve normal...

ENGINE REPAIR MICHIGAN MECHANIC STUDY GUIDE RATED A+ WHICH OF THE FOLLOWING IS TRUE ABOUT ADJUSTING VALVE TAPPET CLEARANCE A. THE VALVE TAPPET CLEARENCE ON A HIGH MILEAGE EGINE SHOULD BE ADJUSTED TIGHTER THAN SPECIFICATIONS FOR A NEWLY REBUILT ENGINE. B. VALVE TAPPET CLEARANCE SHOULD BE ADJUSTED AT TDC AT THE END OF THE COMPRESSION STROKE. (CORRECT AWNSER) C. VALVE TAPPET CLEARANCE SHOULD BE ADJUSTED AT BDC AT THE END OF THE EXHAUST STROKE. D. NONE OF THE ABOVE. (NOT CORRECT AWNS...

General Maintenance/ boma 1. When Starting a centrifugal pump That is part of a manifold with no check valves: You should open the suction valve, start the pump and open the discharge valve slowly

What is the first thing a tech should do when arriving at a no combustion call? - Answer- Ask how many times the customer reset the unit. What is the best long term solution for preventing a clogged nozzle? - Answer- -Remove any underground storage tanks. -Install a quality oil filter. -Cut the suction line 10" above the tank outlet to prevent sludge. Hot water and steam valves are interchangeable. - Answer- False When in the presence of a flame, a cad cell normally reads.. - Answe...

fdny z51 rmo questions answered 2023 verified graded A+ already passed!the efficiency of the refrigerant cycle is affected by the operation of the condenser. Of the following, a more efficient centrifugal compressor operation results from lowering the condenser pressure In most semi hermetic compressors, the suction vapor is used for cools the motor The amount of refrigerant that flows through the orifices of an economizer is determined by the difference between the high side an...

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...

Millwright TEST #3 QUESTIONS AND ANSWERS TIR - ANSWER ️️ Total Indicator Reading Positive Displacment vs. Centrifugal Pump - ANSWER ️️ Capacity is constant reguardless of pressure Flow does not decrease with increasing viscosity Centrifugal Pump - ANSWER ️️ Capacity decrease with increase in pressure Flow rate decrease with viscosity 2 categories of postive displacment pumps - ANSWER ️️ Reciprocals and Rotary 2 types of pistons - ANSWER ️️ Single action and Double act...

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....

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...

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...