OREDE-P RGTP Unit 54 : AIR COMPRESSOR AND INSTRUMENT AIR SYS

Below is the purposes of plant and instrument air system except:

• Maintenance activities

• Pneumatic control valves

• Non-explosion motor purge

• Cable seal gas

What type of air compressor using at RGTP and how many stages it has?

• Centrifugal air compressor, 3 stages

• Rotary crew type air compressor, 2 stages

• Reciprocating air compressor, 2 stages

• Axial air compressor, 3 stages

What is the capacity of wet air receiver?

• 72.9 m3

• 75.3 m3

• 945 Nm3/hr

• 950 Nm3/hr

What is the element that is used to absorb the moisture in the Air Dryer?

• Silica Gel

• Activated Alumina

• Activated Carbon

• Molecular Sieves

How many Air Dryer bed in the Instrument Air System?

• 4

• 5

• 6

• 7

If 54-PZT-2001A/B/C in the instrument air system triggered. What types of ESD will be activated?

• ESD 1

• ESD 2

• ESD 3

• ESD 4

What is the setting pressure for running compressor to load & unload in remote selector?

• Load = 9.0 & Unload = 9.6

• Load = 9.0 & Unload = 9.5

• Load =6.5 & Unload = 7.5

• Load = 5.5 & Unload = 6.5