- ถ้าไม่กรอกทั้งชื่อ และนามสกุลของผู้ทำข้อสอบ ระบบจะไม่ตรวจข้อสอบให้
- ผลสอบจะเก็บเพียง 300 ระเบียนสุดท้าย โดยเรียงจากเวลาล่าสุด
- ถ้าทำข้อสอบไม่ครบ ระบบจะไม่ตรวจข้อสอบให้
- ผู้ทำข้อสอบจะมีเวลาในการทำข้อสอบเพียง 30 นาที หากเกินเวลา ระบบจะไม่ตรวจข้อสอบให้
- เมื่อมีการตรวจคำตอบ ระบบจะบันทึกชื่อ และคะแนนลงฐานข้อมูล พร้อมเวลาเริ่มทำ และเวลาสิ้นสุด
- เกณฑ์ตัดสินผ่านการทดสอบอยู่ที่ร้อยละ 90 หรือ 18 ข้อขึ้นไป
หน้าแรก ข้อสอบใหม่ สร้างใหม่ เฉลยข้อสอบ
หากต้องการพิมพ์ใบรับรองผลคะแนน โปรดใช้เครื่อง Computer ในการทดสอบ
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1. 5.32 Why should pumping be suspended when first-in or first-foot samples are taken?
    a. To allow any gas to dissipate
    b. To allow static electricity to dissipate
    c. So the vapours don t blow in your face
    d. To give time for analysis results
2. 5.47 Someone must always stand watch at the entrance to the confined space while you are in it.
    a. True
    b. False

3. 5.30 What is the main component of inert gas used on crude oil vessels?
    a. Carbon sulfide
    b. Carbon dioxide
    c. Oxygen
    d. Hydrogen
4. 5.64 Workers who are regularly exposed to benzene should have a regular medical examination.
    a. True
    b. False

5. 5.03 Regardless of the product, and in accordance with API Ch 8.1/ASTM D4057, what is the maximum level to which sample containers should normally be filled?
    a. 50%
    b. 80%
    c. 85%
    d. 100%
6. 5.42 Products have defined limits of combustion. What are these?
    a. The Permissible Exposure Limit and the Threshold Limit Value
    b. The Lower Explosive Limit, Upper Explosive Limit and the Flash Point
    c. The Flash Point and the Threshold Limit Value
    d. The Permissible Exposure Limit and the Lower Explosive Limit
7. 5.15 Which of the following is defined as a corrosive liquid?
    a. An acid solution
    b. A caustic solution
    c. Acid and caustic solutions are not corrosive
    d. Acid and caustic solutions are both corrosive
8. 5.74 When working in an environment suspected of containing H2S, personal monitors must show a level below (or provide an alarm at) what limit?
    a. 5 ppm (10 ppm in USA)
    b. 1 ppm (2 ppm in USA)
    c. 15 ppm (20 ppm in USA)
    d. 0.1 ppm (0.2 ppm in USA)
9. 5.52 An explosimeter (explosion meter) measuring LEL% is utilized to sample the atmosphere within a cargo tank and a reading of 15% is observed. What does the reading mean?
    a. The atmosphere in the tank contains 15% oxygen
    b. The atmosphere in the tank is 15% of the lowest concentration of an explosive mixture of air and hydrocarbon vapours
    c. The atmosphere in the tank is 15% hydrocarbon vapours
    d. The atmosphere in the tank is a 15% mixture of air and hydrocarbon vapours
10. 5.46 Which of the following are examples of a confined space?
    a. A cargo tank
    b. A grain silo
    c. A pump-room on a ship
    d. Answers a., b. and c. are all correct
11. 5.87 Ladders, planks, and scaffold boards should not be used as walkways (i.e. when boarding vessels, moving between barges, etc.)
    a. True
    b. False
    c. Only when in exposed seaway conditions
    d. Only when no gangways are available
12. 5.12 All samples which are transported between terminals and laboratories or other installations should be labelled in accordance with the globally harmonised system for classification and labelling of chemicals (GHS).
    a. True
    b. False

13. 5.20 To find out if a material is hazardous, you must consult the SDS.
    a. True
    b. False

14. 5.88 May an inspector board a vessel by means of using a Pilot s ladder?
    a. Yes
    b. No

15. 5.72 What is the most hazardous component of many crude oils?
    a. Benzene
    b. Toluene
    c. Xylene
    d. Hydrogen sulfide
16. 5.10 The responsibility for an inspector complying with the safety regulations in any terminal belongs to?
    a. The terminal staff
    b. The terminal's safety officer
    c. The inspector
    d. The inspector s manager