4th TSSA Part B - Unit 1 | Exam Questions with Correct Answers and
Answers with Verified Solutions | Latest 2026 Update
Q: R4B01-02-01-01 Fluid film lubrication: Supports heavy loads
Answer:
R4B01-01-02-11 The _____ number of oil indicates the acidity of oil. Neutralization
R4B01-01-03-14 The oil for a refrigeration compressor must: Have a low pour point
R4B01-01-02-09 If ambient air temperatures are very low[comma] the preferred
lubricant is a:
Solid
R4B01-01-02-03 The majority of lubricants are: Mineral oils
, Q: R4B01-01-02-10 The cheapest and most commonly used grease is: Lime base
Answer:
R4B01-01-03-15 The point at which oil will give off enough vapour to ignite and
burn
continuously is known as the _____ point. Fire
R4B01-01-02-06 Grease: Can be used under conditions where oil may leak away and
leave
the bearing dry
R4B01-02-04-20 With antifriction bearings using grease, the bearings: Are cleaned
less often
than oil-lubricated bearings
R4B01-01-02-08 All semi-solid lubricants: Are capable of sealing out dirt and water
from
bearings
R4B01-01-02-05 Grease is not a suitable lubricant: If a large amount of cooling is
desired
R4B01-02-04-18 Using pressurized air to blow out a cleaned bearing: Will cause the
bearing
to become pitted
R4B01-01-03-16 The property of oil that indicates its ability to support a load is:
Viscosity
R4B01-02-02-03 Large journal or sleeve bearings have grooves: In the non-pressure
area
R4B01-02-04-16 When grease is used in an antifriction bearing after cleaning, the
bearing
housing should not be filled _____ full. more than 1/3
R4B01-02-05-19 A common cause of antifriction bearing failure is: Shaft
misalignment
Answers with Verified Solutions | Latest 2026 Update
Q: R4B01-02-01-01 Fluid film lubrication: Supports heavy loads
Answer:
R4B01-01-02-11 The _____ number of oil indicates the acidity of oil. Neutralization
R4B01-01-03-14 The oil for a refrigeration compressor must: Have a low pour point
R4B01-01-02-09 If ambient air temperatures are very low[comma] the preferred
lubricant is a:
Solid
R4B01-01-02-03 The majority of lubricants are: Mineral oils
, Q: R4B01-01-02-10 The cheapest and most commonly used grease is: Lime base
Answer:
R4B01-01-03-15 The point at which oil will give off enough vapour to ignite and
burn
continuously is known as the _____ point. Fire
R4B01-01-02-06 Grease: Can be used under conditions where oil may leak away and
leave
the bearing dry
R4B01-02-04-20 With antifriction bearings using grease, the bearings: Are cleaned
less often
than oil-lubricated bearings
R4B01-01-02-08 All semi-solid lubricants: Are capable of sealing out dirt and water
from
bearings
R4B01-01-02-05 Grease is not a suitable lubricant: If a large amount of cooling is
desired
R4B01-02-04-18 Using pressurized air to blow out a cleaned bearing: Will cause the
bearing
to become pitted
R4B01-01-03-16 The property of oil that indicates its ability to support a load is:
Viscosity
R4B01-02-02-03 Large journal or sleeve bearings have grooves: In the non-pressure
area
R4B01-02-04-16 When grease is used in an antifriction bearing after cleaning, the
bearing
housing should not be filled _____ full. more than 1/3
R4B01-02-05-19 A common cause of antifriction bearing failure is: Shaft
misalignment
