Lubrication systems Study guides, Class notes & Summaries

Internal ____ is not required for dynamic type compressors. seals lubrication pressure monitoring corrosion monitoring temperature monitoring - Answer-b Low pressure or high pressure are the two primary classifications of ____. centrifugal pumps sump pumps boilers draft fans pressure controllers - Answer-e The boiler feedwater becomes increasingly ____ as it approaches the measurement of zero. acidic neutral softer basic alkaline - Answer-a The following hydrocarbon(s) may be e...

1. List five functions of the oil in an engine lubrication system.: Cools, Cleans, seals and cushions, prevents corrosion, and reduce friction. 2. The resistance of an oil to flow is known as its .: Viscosity. 3. Oil that flows freely has a viscosity.: Low. 4. The oil used in reciprocating engines has a relatively (high or low) viscosity.: High. 5. The measure of the change in viscosity with a given change in temperature is know as the .: Viscosity index. 6. An engine lubricating oil wh...

Lubrication systems test 2023 with complete solution List five functions of the oil in an engine lubrication system. Cools, Cleans, seals and cushions, prevents corrosion, and reduce friction. The resistance of an oil to flow is known as its ________. Viscosity. Oil that flows freely has a ____ viscosity. Low. The oil used in reciprocating engines has a relatively _____ (high or low) viscosity. High. The measure of the change in viscosity with a given change in temperature is know as ...

Lubrication systems test 2023 with complete solution List five functions of the oil in an engine lubrication system. Cools, Cleans, seals and cushions, prevents corrosion, and reduce friction. The resistance of an oil to flow is known as its ________. Viscosity. Oil that flows freely has a ____ viscosity. Low. The oil used in reciprocating engines has a relatively _____ (high or low) viscosity. High. The measure of the change in viscosity with a given change in temperature is know as ...

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....

Complete Test Bank for Modern Diesel Technology, Light Duty Diesels, 2nd Edition by Sean Bennett ; ISBN13: 9781337624978. (Full Chapters included Ch 1 to 15).....1. Shop and Personal Safety. 2. Introduction to Diesel Engines. 3. Cylinder Block Assemblies. 4. Timing Train and Cylinder Head Assemblies. 5. Intake and Exhaust Systems. 6. Cooling and Lubrication Systems. 7. Engine Electrical Systems. 8. Fuel Subsystems. 9. Injector Nozzles. 10. Pump-Line-Nozzle Systems. 11. Engine Electroni...

ABSA: 4th Class Part B - Comprehensive Exam 1 Questions and Answers 100% Pass Temporary hardness in feedwater is caused by: Select one: a. Magnesium sulphate b. Calcium carbonate c. Magnesium bicarbonate d. Sodium nitrate - Answer- c What is the recommended boiler water pH for wet layup? Select one: a. 10 b. 12 c. 7.5 d. 7 - Answer- a A photoelectric flame scanner: Select one: a. Produces a steady voltage signal b. Requires a clear line of sight to the flame c. conducts current...

When Chlorine is combined with water what type of pipe should be used? A. Ductile iron B. Asbestos concrete C. PVC D. Carbon Steel - ANSWER C. PVC A good settling sludge would consist of what type of protozoa? A. Rotifers and nematodes B. Amoebas and Flagellates C. Stalked ciliates and mastagoria D. Free swimmers and stalk ciliates - ANSWER D. Free swimmers and stalk ciliates What is Phenolphylein used for in titration A. Oxidizer B. Indicator C. Acid reducer to lower pH ...

Automotive Lubrication System Questions and Answers 100% Pass What does the term "friction" refer to in mechanical systems? It describes the resistance encountered when two dry surfaces slide against each other. How can lubrication be defined in the context of machinery? Lubrication involves reducing friction by introducing a slick substance between moving surfaces. What are the main roles of engine oil? Engine oil facilitates easy engine start-up, lubricates moving parts, safegu...

Where are the return openings located regarding air distribution systems? Return air openings are located on inner walls. The minimum temperature of the water used in a hydrostatic test of a boiler cannot be less than what temperature? 20 degrees Celsius Which of the following are causes of pressure explosions? 1. effects of corrosion 2. weak pilot flame 3. stressed material due to heating too quickly 4. insufficient purge5. scale and sludge build-up 1, 3, 5 Carbon, which is not combine...