Lubrication systems - Study guides, Class notes & Summaries

General Maintenance/ Boma Questions and Answers 100% Pass 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 Curb cock A Valve insert it in a water line between the corporation stop and the water meter is generally called To check sheave wear Measure each groove angle Variable pitch sheaves may be used in some cases to provide which of the following types of speec...

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

List five functions of the oil in an engine lubrication system. - -------- CORRECT ANSWERS --------- Cools, Cleans, seals and cushions, prevents corrosion, and reduce friction. The resistance of an oil to flow is known as its . - -------- CORRECT ANSWERS --------- Viscosity. Oil that flows freely has a viscosity. - -------- CORRECT ANSWERS --------- Low. The oil used in reciprocating engines has a relatively (high or low) viscosity ----------- CORRECT ANSWERS -------- High. The measure of ...

LUBRICATION SYSTEMS TEST QUESTIONS WITH ANSWERS 2024/2025 UPDATED GUARANTEED PASS/55 QUESTIONS WITH VERIFIED ANSWERS

A reciprocating engine is found to have excessive oil consumption without evidence of any oil leaks. What is the likely cause? o :## The piston rings are worn or broken. What are the functions of lubricating oil in reciprocating engines? o :## To reduce friction between moving parts and remove heat. Name two important characteristics of aircraft engine oil. o :## The oil must be light engough to circulate freely yet heavy engough to provide the proper oil film at engine operating temper...

AMT 251/252 Lubrication Systems & Propellers Exam Latest Update...

Since the early 1960s, road draft tubes have been used to replace PCV systems T or F o :## False Tech A says additive packages make up as much as one third of the volume of a container of oil. Tech B says friction modifiers added to oil help the oil stick to metal surfaces. Who is right? o :## Tech A Tech A says when oxygen is mixed with oil, it will extend the life of the oil. Tech B says excessively rich air-fuel mixtures can turn the oil black. Who is right? o :## Tech B Tech A ...

Reducing friction between moving engine parts is one of the functions of which system? o :## lubrication system Why is engine oil pumped through a filter? o :## the filter cleans it When does most engine wear occur? o :## when a cold engine is started up, before the oil reaches its normal operating pressure Why should an engine never be overfilled with oil? o :## The oil can foam and interfere with lubrication. Name the two types of oil pumps commonly used. o :## the gear type and t...

Lubrication systems test Latest Update Exam Questions and 100% Verified Correct Answers Guaranteed A+

Engine Lubrication Systems prep Activities ;Questions and Answers Oil tank fillers on reciprocating engines are marked with the word "oil," in accordance with 14 CFR part 23 The engine oil temperature regulator is usually located between which of the following on a dry sump reciprocating engine? The scavenger pump outlet and the oil storage tank. How are the teeth of the gears in the accessory section of an engine normally lubricated? By splashed or sprayed oil.