150Q ABSA 4B Practice Exam Questions Answers

150Q ABSA 4B Practice Exam Questions
Answers30

Which of the following is not an appropriate heater to use in a small shop/garage environment




A)

Quartz lamp



B)

Surface Combustion heater



C)

Low Temperature Catalytic heater



D)

Horizontally Internally Fired radiant heater - ANSWERS -B)

Surface Combustion heater



In order to protect the driver, a start-stop air compressor should be equipped with:




A)

Safety heads

,B)

An intercooler



C)

Manual cylinder bleed petcocks



D)

Pre-start automatic unloading



E)

An automatic blowdown system - ANSWERS -D)

Pre-start automatic unloading



When the supply is above the pump the total static head of the pump will be the:




A)

Capacity of the pump



B)

Difference between the static suction head and the static discharge head



C)

Sum of the static suction head and the static discharge head



D)

, Discharge pressure in metre



E)

Discharge head of the pump - ANSWERS -B)

Difference between the static suction head and the static discharge head



What kind of shaft seal would be most appropriate to use where some leakage is acceptable?




A)

Mechanical



B)

Liquid Film



C)

Dry gas



D)

Carbon rings



E)

Labyrinth - ANSWERS -E)

Labyrinth



Sliding vane compressors: