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Work Study > 13's Post Test > Flashcards

13's Post Test Flashcards

1
Q

Wild Naphtha from 18-1 and 18-2 are normally sent to the stripper section for stabilization and H2S removal, when the nitrogen specification is 20 Wppm

A

False

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2
Q

The lube oil Dehydrator or ______ Takes suction from the lube oil reservoir and provides water removal

A

Y-5

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3
Q

Unit Scott Pack locations for 13’s

A

Top left of map east of C-6

Bottom right of map at PEB-1

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4
Q

C-100 splits the feed into two phases…liquid and gas

A

True

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5
Q

Primary control of the hydrotreating reaction in the reactors is through bed temperature control

A

True

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6
Q

_________ is used to control temperature during reactor temperature excursions

A

TV-1A / 635B

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7
Q

The hydrogen concentration is controlled by the amount of make-up hydrogen added to the unit. Which is a function of the amount of ________ exiting the unit

A

PV-5A (make up hydrogen)

FV-13 (Sour Purge to plant 11)

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8
Q

G-6 will circulate the reboiler circuit via FV-17A/B to pick up the required heat to maintain the stripping in C-7

A

False

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9
Q

E-102 A/B/C/D product outlet temp is adjusted two ways:
Adjusting the louvres to establish the areas of the banks of tubes which will see cooling air, and changing the speed of each fan to control the flow of cooling air through each air cooler

A

True

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10
Q

To maintain a constant ambient temperature in each bay. There are ______ in each bay to ensure that the ambient temp in each bay (8 total) remains the same. These are used for winter operation only.

A

Heaters

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11
Q

In order to start K-1 compressor Mov-7 and 8 must be open

A

True

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12
Q

The purpose of C-11 is to collect the water from Tray 22 of the Naphtha Stripper

A

True

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13
Q

Low low level of 4% in C-1 will trip ___________

A

G-1

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14
Q

The primary function of the plant is to:

  • Saturate Olefinic and Diolefinic feedstock compounds
  • Reduce sulfur and nitrogen content
  • Strip our light ends
  • All the above
  • Nothing
A

All the above

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15
Q

Fv-5 is used as a temporary means for recycle because:

A

Flow rate is too low for long term

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16
Q

C-7 has the water draw tray to prevent the build up of water in the column. The tray number is:

A

Tray 22

17
Q

The purpose of ________ is to pre heat feed from G-1A/B by using heat from the stripper product in turn cool the stripper product going to E-8’s

A

E-105

18
Q

C-5 separator is fitted with a _______ to promote separation.

A

Weir and Water Boot

19
Q

The purpose of C-5 is to:

A

Separate sour water from treated naphtha

20
Q

C-4 reactor high high temperature of _____•c will trip G-1s, close Fv-102, Fv-5, Pv-5a, and open Hv-3

A

436•c

21
Q

E-1 and E-10 condensate May be diverted to _______ in the event of hydrocarbon contamination due to tube failure.

A

C-11

22
Q

Evacuation horns are located at:

A
  • Under C-1

* Under C-4

23
Q 
Match equipment to its number
Mov-5  ——> 
C-3 ——>
PV-1 ——>
C-100 ——>
C-9 ——>
Tv-635A/B ——>
PV-13 ——>
Tv-631 ——>
D-14 ——>
G-13A/B ——>
A 
Match equipment to its number
Mov-5  ——> C-1 outlet to G-1A/B
C-3 ——> 2nd stage naphtha Rx 
PV-1 ——> C-1 pressure control
C-100 ——> hot high pressure separator
C-9 ——> steam vent drum
Tv-635A/B ——> C-3 inlet temp control
PV-13 ——> nat gas to 13F1 pilots
Tv-631 ——> E-102A plenum temp control
D-14 ——> treated naphtha tank
G-13A/B ——> k-1 lube and seal oil pump
24
Q

Untreated naphtha passes through the ______ of E-104 after leaving E-5A/B where it exchanges heat with diolefin reactor C-2 outlet flowing through the shell side

A

Tubes

25
Q

A high high temp of 246•c in the reactors will trip G-1A/B, FV-2A will close and the unit will de-pressure through Hv-3

A

False

FV-5a will also close

26
Q

Purpose of the lube oil system ok K-1 is:

A- lubricate the compressor and turbine bearings
B-remove heat from the bearings
C-Provide the required pressure for various trip systems

A

A.B, C

27
Q

E-102 A/B/C/D product outlet temp is adjusted two ways: Adjust louvres and adjust fan speed.

True or false

A
  • True
28
Q

Reactor effluent enters the tube side of E-6A/B and cooling water enters the shell side

True or false

A
  • True
29
Q

Seal oil flows to level control LV-13 which controls the level in the seal oil overhead tank C-12

True or False

A
  • False
30
Q

_______ bypasses a portion of the flow around E-103 in order to control the temperature of the 2nd stage reactor inlet

Fill in the blank

A

TV-635 A/B

31
Q

Match the equipment number to the equipment

Tv-4
Lg-17
E-105
Lv-5
PV-5A
Lv-12
Lv-36
Tv-10
Pv-10
A 
Tv-4 ——-> C-2 inlet temp control 
Lg-17 ——> D-2 lube oil reservoir 
E-105 ——>Naphtha feed product
Lv-5 ——-> C-5 water boot
PV-5A ——-> Make up Hydrogen
Lv-12 ——-> C-12 seal oil O/H drum
Lv-36 ——-> C-1 water boot
Tv-10 ——-> 600# steam desuperheater
Pv-10 ——-> C-7 overheads
32
Q

The temperature of k-1 exhaust steam is controlled by TIC-13 by injecting ______ at 200•c through TV-13

A
  • BFW
33
Q

Hydrogen make-up gas from _______ joins the remaining recycle gas downstream of the anti surge by-pass. Hydrogen make-up gas through PV-5A

A

Plant 9s

Work Study (1 decks)

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