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Mod 4 > Exam > Flashcards

Exam Flashcards

1
Q

All pipelines are normally pressurized to prevent:

A

Condensation and air lock in the system

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2
Q

The slop tank comprises of:

A

Two filter separator in series

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3
Q

The equipment installed in the receiving building is designed to:

A

Handle fuel in the JFS under normal delivering conditions

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4
Q

During emergency, the loading racks allow ________ of maximum fuel loading capacity per island

A

1200 GPM

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5
Q

During peacetime, maximum fuel-receiving rate is 1200 GPM; in times of emergency, utilizing mobile generator power, what will be the maximum fuel-receiving rate?

A

1200 GPM

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6
Q

What will happen when the water level in the concrete tank falls below (E2) a certain level? (With Diagram)

A
  1. Water level in concrete tank falls below E2 level, it will initiate the duty pump at break tank to pump, provided the break tanks level is at E1
  2. The duty pump in the break tank will stop when the break tank level falls below E2
  3. As the water level in the break tank falls, the float valve opens and PUB water will refill the tank once the break tank reaches E1; the next pump on duty will start pumping if the concrete tank level has not reached E1 level
  4. The entire cycle will repeat itself until the concrete tank level reaches E1
  5. When concrete tank reaches E1, it will
    initiate the break pump to stop pumping
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7
Q

When the PUB pressure head is insufficient in delivering water to the main storage, how can this be resolved? (KIV)

A

Install pump, inform PUB, intermediate pump house

either 3 or 4

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8
Q

When load demand exceeds electrical generation

A

Generated energy cannot be stored hence generation must meet demand. If demand exceeds generation, there will be a risk of overloading causing shut down of generation plant resulting in a major black out.

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9
Q

What is the design and installation limit of licensed electrical worker

A

Electrician
Not exceeding 45kVA
Not exceeding 650V

Electrical Technician
Design: Not exceeding 150kVA
Install: Not exceeding 500kVA
Not exceeding 650V

Electrical Engineer
No limit
No limit

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10
Q

Why is electricity transmission is done at high voltage

A

For efficiency

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11
Q

What is the function of the Supervisory Control & Data Acquisition (SCADA)?

A

• Provides central monitoring and control of power stations
- Overview of Base Power Network
- LEW can control switching which is achieved
using Interllution iFix SCADA software and Modicon PLC Remote Terminal Unit
• Provide for survivability (Harden building, asset dispersion, separation of concentrators) and reliability and availability (Redundancy, Hot standby, ring topology)

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12
Q

Protective Structures (question is which is false)

A

True: Structures that have been specifically designed to reduce its vulnerability and to enhance its survivability to weapon effects through passive defence measures

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13
Q

Hardening concepts can be adopted for the design of SQCP

A

All of the above

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14
Q

When designing a protective structure, what are the explosion effect that need to be accounted for

A

Fragmentation, blast, shock, fireball

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15
Q

Which is not a form of Rigid pavement distress?

A

Pothole

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16
Q

What are the purpose of shunts

A

All of the above

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17
Q

Which of the following lighting used to indicate the centre of approach?

A

Sequence Flash Light

18
Q

The aircraft arrestor Net system comprises of?

A

2 Stanchions, P6 Brakes, Net assembly, electrical system

19
Q

Define ACN

A

number expressing the relative effect of an aircraft on the runway for a specified standard subgrade category

20
Q

What is the correct PCN reporting format for rigid pavement?

A

R

21
Q

What is the purpose of an airfield lighting system?

A

All of the above

22
Q

What is the correct sequence for hook wire retrieving?

A

Disengage pendent from aircraft, Retrieve system, insert pendent to MAG system, Check & declare system serviceability

23
Q

What is the correct PCN reporting format for flexible pavement?

A

F

24
Q

What are the possible defects to take note when inspecting the pendent of the mobile arrester gear system?

A

Kinking, straightened cable with kink pulled through, excess wear, broken wires`

25
Q

In a basic configuration of a regulator, which of the following are part of the power module?

A

Thyristor pack, supply terminal, contactor, transformer

26
Q

Condition category for pavement maintenance?

A

Distress

27
Q

When aircraft engages pendant and pull nylon tapes, tape drum and rotor rotates, fluid in drum

A

becomes agitated, converting kinetic energy to heat energy

28
Q

Which is not one of the ill effects of water on the airfield pavement ?

A

Increase take off speed

29
Q

What is the correct sequence for aircraft arrestment?

A

Aircraft engage, nylon tape pull out, aircraft stop

30
Q

What does X in PCN: 30/R/B/X/T means for tyre pressure?

A

Medium

31
Q

Colour of taxiway edge light

A

Blue

32
Q

What are the limitations of the arrestor net system?

A

Speed 160 knots, height 3.3m

33
Q

What are all economic issues that affect runway design?

A

None of the above

34
Q

What is the correct order of pavement structure from top to bottom layer?

A

Wearing course, base course, subbase, subgrade

35
Q

What are not the possible defects to take note of when inspecting the nylon tape of the mobile arrestor gear system?

A

None of the above

36
Q

Which is not a form of flexible pavement distress?

A

Scaling

37
Q

Which is not a form of flexible pavement distress?

A

Map Cracking

38
Q

Which is not a functional requirement of pavement?

A

Smoothness

39
Q

Which of the portable lighting cannot be controlled remotely?

A

MERE 2/T Lighting

40
Q

What is not one of the main factors that affect runway design?

A

Technological

41
Q

Which of the following is not an economic issue that affects runway design?

A

Cost of surveying

Mod 4 (1 decks)

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