Power Engineering ABSA 4B

1 of 20

Term



The sealed ball bearings used on a blower in the warm air heating
systems
A) require continuous lubrication
B) require no lubrication
C) require packing with grease annually
D) should be dismantled every two years for maintenance



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C A




E B


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2 of 20

, Term



The kind of grease used for heavily loaded machinery operating at
slow speeds is the:
A) Mixed base grease
B) Sodium base grease
C) Calcium base grease
D) Acid base grease
E) Specialty grease



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E A




C B


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3 of 20

Term



Wet lay-up is best used for:
A) Short duration shutdowns
B) Waterside inspection
C) Long-term shutdowns
D) Shutdown in freezing conditions



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