Lubrication systems test - Study guides, Class notes & Summaries

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 ...

ABSA 5th Class | 250 Questions | With Completed Solutions. 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 p...

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...

ABSA 5th Class | 250 Questions | With Completed Solutions. 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. insuffic...

ABSA: 4th Class Part B - Comprehensive Exam 4 150 Multiple Choice, 4th Class Part B , Units 2 Temporary hardness in feedwater is caused by: Select one: a. Magnesium sulphate b. Calcium carbonate c. Magnesium bicarbonate d. Sodium nitrate c What is the recommended boiler water pH for wet layup? Select one: a. 10 b. 12 c. 7.5 d. 7 a A photoelectric flame scanner: Select one: a. Produces a steady voltage signal b. Requires a clear line of sight to the flame c. condu...

MMET 201 Final Exam Questions and Answers | Latest Version | 2024/2025 | Rated A+ What is the purpose of conducting a failure analysis on mechanical components? The purpose of conducting a failure analysis is to identify the root causes of failure, improve future designs, and enhance the reliability and safety of components. How do thermal expansion and contraction affect engineering designs? Thermal expansion and contraction can lead to dimensional changes in materials, which engi...

Where are the return openings located regarding air distribution systems? - Answer-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? - Answer-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 purge 5. scale and sludge build-up - Answer-1, 3, 5 ...

ABSA 5TH CLASS EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ Where are the return openings located regarding air distribution systems? Correct Answer: 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? Correct Answer: 20 degrees Celsius Which of the following are causes of pressure explosions? 1. effects of corrosion 2. weak pilot flame 3. stressed mat...

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