Fire commander provide support during gas test.
Pump discharge press low reasons, suction strainer plug/ cavitation / low suction level
(answer ALL)
All vents /drains closed / plugged before HC introduction.
If steam fail in ethylene feeding will stop.
If low level in tank, check pump suction /discharge press. Flow and level and inform to DCS.
If high hi level, check inlet ZV and inform to DCS.
N2 header press down –action—minimize N2 to flare purge/N2PCV too tank reduce/ stop
any leak or purging. (All the answer)
IA air pressure down (all the answer)
Fire or HC spill (all the answer)
Fuel gas fail, LPG in service.
MP Steam fail in HP flare, smoke out and tip damage.
Fuel gas orifice chocked what is the action, answers all
Heater skin temp reaches 25”,,,it will trip.
What is correct angle to use ladder,,,,, 75 degree or 4 feet slope.
Skin temp high high,,,, heater will trip.
Heater outlet temp low low heater trip.
Toluene feeding to aroma and gasoline blending units. Answer ALL
Aromatics feeding to aroma and gasoline blending unit.
Naphtha feeding to reformer unit. And receiving from naphtha splitter
Reformate receiving from reformer unit and feeding to aroma unit.
PDEB feeding to aroma unit.
Naphtha tanks inter floating roof.
As DCS if level trans. Mal function what is the action of DCS,,,, MOS and call for maintenance
Ethylene Pump dish., flow low, suction strainer chock/ pump speed too low/ discharge is
partially blocked/low suction press( all answer)
Excessive vibration/noise from pump reasons,, pump cavitation, coupling misalignment,
rotating parts loose/ broken, bearing failed / damage.
Power fail in ethylene system what will happen? UMV closed and Pump stopped.
What is the action of DCS operator if ethylene trip? Inform to Metathesis/EVA/LDPE/EPR.
Pump P741 power failure and pump not available, what is the action of DCS? Inform to Uty1
/Uty 2 / alkylation (all answer).
CONDENSATE pump disch press hi-hi is 12.0kg/cm2/Low low 4.5kg/cm2
Condensate drum level high alarm 80%
P-xylene system connected with how many pumps ---4
LP main KO drum pump # P3320A/B
LP main KO drum tag # D3320
HP intermediate KO drum tag# D3313.
How many lift station operated from STF DCS? ### 12
Condensate Pump tag # P790A/B
N2 blanketing controlled by RO in sump drum.
Sump drum tag number D-715
How many sump drum in STF --- 01
After you report emergency to DCS what is your next step? Ask the contractor to stop the
job and leave to assembly area for head count.
PRC permits,, line break/hot/cold/confined space.