SECTION 8 – TEMPERATURE MEASUREMENT
คำชี้แจง
- ถ้าไม่กรอกทั้งชื่อ และนามสกุลของผู้ทำข้อสอบ ระบบจะไม่ตรวจข้อสอบให้
- ผลสอบจะเก็บเพียง 300 ระเบียนสุดท้าย โดยเรียงจากเวลาล่าสุด
- ถ้าทำข้อสอบไม่ครบ ระบบจะไม่ตรวจข้อสอบให้
- ผู้ทำข้อสอบจะมีเวลาในการทำข้อสอบเพียง 30 นาที หากเกินเวลา ระบบจะไม่ตรวจข้อสอบให้
- เมื่อมีการตรวจคำตอบ ระบบจะบันทึกชื่อ และคะแนนลงฐานข้อมูล พร้อมเวลาเริ่มทำ และเวลาสิ้นสุด
- เกณฑ์ตัดสินผ่านการทดสอบอยู่ที่ร้อยละ 80 หรือ 16 ข้อขึ้นไป
หน้าแรก ข้อสอบใหม่ สร้างใหม่ เฉลยข้อสอบ
หากต้องการพิมพ์ใบรับรองผลคะแนน โปรดใช้เครื่อง Computer ในการทดสอบ
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1. 8.47 When taking temperatures, in motion means to move the temperature measurement device approximately 60cm [2 feet] above and 60cm [2 feet] below the desired measurement location?
    a. True
    b. False
    c.
    d.
2. 8.38 How should scale graduation marks be applied to a liquid-in-glass thermometer?
    a. They must be etched permanently on the stem of the thermometer
    b. They must be etched permanently on the cup-case assembly
    c. They must be on a metal plate attached to either the thermometer or the cup-case assembly
    d. Answer a., b. or c. is correct
3. 8.41 A liquid-in-glass thermometer must be verified against a thermometer traceable to a national standard when new and then at maximum intervals of?
    a. 3 months
    b. 6 months
    c. 1 year
    d. 5 years
4. 8.02 Does API MPMS Chapter 7/ISO 4268 make any references to the construction of portable electronic thermometers?
    a. Yes
    b. No
    c.
    d.
5. 8.39 An ASTM 59C [ASTM 59F-80] liquid-in-glass thermometer has a scale range of -18°C to 82°C [0°F-180°F]. What should the graduations on this thermometer be?
    a. 0.1°C [0.2°F]
    b. 0.25°C [0.5°F]
    c. 1.0°C [2.0°F]
    d. 0.5°C [1.0°F]
6. 8.14 When using a liquid-in-glass thermometer it is important to consider that
    a. It should remain in the oil long enough to reach the temperature of the liquid
    b. It takes longer to obtain temperatures with a liquid in glass thermometer than a portable electronic thermometer
    c. It should be lowered using a gauging tape
    d. Answers a. and b are correct
7. 8.26 If a tank has an innage of 2,8m [9 11 ] what is the minimum number of temperatures which should be taken?
    a. One
    b. Two
    c. Three
    d. None
8. 8.49 What temperature is to be used during an ROB survey if there is only 5 cm [2 inches] of liquid in the bottom of the tank?
    a. The measured temperature at the middle of the liquid
    b. Standard Temperature
    c. The average temperature of the product in the tank before it was discharged
    d. The temperature stated by the vessel s representative
9. 8.27 On a portable electronic thermometer, at what temperature should the field check be performed ?
    a. 0°C [32°F]
    b. 100°C [212°F]
    c. Ambient temperature
    d. Expected cargo temperature
10. 8.21 To what increment should a portable electronic thermometer be read and recorded?
    a. The nearest 0.5°C or °F
    b. The nearest 1°C or °F
    c. The nearest 0.1°C or °F
    d. Answers a.,b. and c. are all wrong.
11. 8.23 Liquid-in-glass thermometers are suitable for use in obtaining cargo product temperatures in marine vessels required to operate with closed or restricted systems?
    a. True
    b. False
    c.
    d.
12. 8.17 If a tank has more than 4.5 m [15 feet] of liquid, what is the minimum number of temperature readings that must be taken?
    a. 3
    b. 5
    c. 1
    d. one every 1 m [3 feet]
13. 8.44 When using a liquid-in-glass thermometer in a cup-case assembly to measure a product with density of 904 kg/m3 [API gravity 24.9] what is the minimum length of time the thermometer should be immersed in the liquid when the assembly is in motion during the measurement process?
    a. 5 minutes
    b. 10 minutes
    c. 20 minutes
    d. Until the readout doesn t vary by more than 0.2 °C for 30 seconds
14. 8.48 What is the recommended immersion time, for a liquid-in-glass thermometer in a cup-case assembly, in motion, in a product with density of 950 kg/m3 [API gravity 17.4]
    a. 45 minutes
    b. 10 minutes
    c. 20 minutes
    d. Until the readout doesn't vary by more than 3.0 °C for 30 seconds