3rd TSSA Part B2 - Unit 9 UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Effective intercooling will reduce weakening of parts due to high temperatures, and reduce
possibility - CORRECT ANSWER - Water hammer
An air filter on an air compressor inlet pipe is used to: - CORRECT ANSWER - Prevent
dust and other particulate from entering the compressor
Air compressors should be automatically unloaded:
1. By the operator
2. During the shutting-down period
3. For the start-up period
4. At all times of compressor output
5. If there is no cooling water for the aftercooler - CORRECT ANSWER - 2, 3
What condition can be produced at reduced compressor speeds if variable speed control is used
on a dynamic compressor? - CORRECT ANSWER - Compressor surging
Positive displacement compressor types include:
1. Sliding vane
2. Axial flow
3. Internal gear
4. Volute casing
5. Rotary screw
6. Multi lobe - CORRECT ANSWER - 1, 3, 5, 6
ACTUAL Exam Questions and CORRECT
Answers
Effective intercooling will reduce weakening of parts due to high temperatures, and reduce
possibility - CORRECT ANSWER - Water hammer
An air filter on an air compressor inlet pipe is used to: - CORRECT ANSWER - Prevent
dust and other particulate from entering the compressor
Air compressors should be automatically unloaded:
1. By the operator
2. During the shutting-down period
3. For the start-up period
4. At all times of compressor output
5. If there is no cooling water for the aftercooler - CORRECT ANSWER - 2, 3
What condition can be produced at reduced compressor speeds if variable speed control is used
on a dynamic compressor? - CORRECT ANSWER - Compressor surging
Positive displacement compressor types include:
1. Sliding vane
2. Axial flow
3. Internal gear
4. Volute casing
5. Rotary screw
6. Multi lobe - CORRECT ANSWER - 1, 3, 5, 6
