SECTION 8 TEMPERATURE MEASUREMENT

คำชี้แจง

- ถ้าไม่กรอกทั้งชื่อ และนามสกุลของผู้ทำข้อสอบ ระบบจะไม่ตรวจข้อสอบให้

- ส่วนนี้จะไม่มีการบันทึกผลสอบ หากต้องการบันทึกโปรดสมัครสมาชิก

- ถ้าทำข้อสอบไม่ครบ ระบบจะไม่ตรวจข้อสอบให้

- ผู้ทำข้อสอบจะมีเวลาในการทำข้อสอบเพียง 30 นาที หากเกินเวลา ระบบจะไม่ตรวจข้อสอบให้

- เกณฑ์ตัดสินผ่านการทดสอบอยู่ที่ร้อยละ 80 หรือ 16 ข้อขึ้นไป

14879 SECTION 8 TEMPERATURE MEASUREMENT

หน้านี้แสดงครั้งละ 20 ข้อบนเครื่องพิวเตอร์ทั่วไป

ส่วนนี้จะไม่มีการบันทึกผลสอบ และแสดงเฉลยแบบทดสอบ หากต้องการบันทึก และรายงานการทำแบบทดสอบ โปรดสมัครสมาชิก

1. 8.45 What is the minimum number of temperatures to be taken in a tank containing less than 3m [10 feet] of product? a. 1 b. 3 c. 5 d. 2
2. 8.52 What procedure is used to field check a liquid-inglass thermometer in a cupcase assembly? a. It is checked against a portable electronic thermometer b. It is checked it against the ships thermometer c. it is checked for cracks, cleanliness and a readable scale and the liquid column is checked as unbroken d. It is placed in a 100°F water bath with a certified thermometer for 45 minutes and compare the readings. They must be within 0.2°C [0.1°F]
3. 8.10 To what increment should the display of a portable electronic thermometer be capable of reading? a. 0.5 °F or °C b. 0.1 °F or °C c. 1.0 °F or °C d. 0.25 °F or °C
4. 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
5. 8.28 When using a portable electronic thermometer what is an indication of temperature stabilization? a. Comparison with the side temperature on the tank b. Comparison with a cup-case thermometer c. Comparison with the last temperature recorded by the terminal d. Readout doesn t vary by more than 0.1°C [0.2°F] for 30 seconds
6. 8.22 According to common industry practice how should the working spot check (field check) of a portable electronic thermometer be performed? a. Daily comparison to another portable electronic thermometer b. By comparing it to a liquid-in-glass thermometer, before each use or once per day c. By checking the unit weekly, for accuracy d. Calibrate against a thermometer (traceable to national standards) at prescribed intervals
7. 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.
8. 8.05 How does calibration of a portable electronic thermometer differ from a field check? a. It is done by the responsible manager b. It is performed by a certified third party auditor c. It is verified in controlled conditions against a standard thermometer traceable to national standards d. There is no difference between the two
9. 8.25 According to API MPMS Chapter 7 the minimum amount of time that an in motion probe should stay in a product with an API gravity less than 20 is? a. 80 minutes b. 30 minutes c. 75 seconds d. 10 seconds
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. 8.16 What must be done immediately before taking temperatures using a portable electronic thermometer? a. Set the temperature range selector. b. Earth (ground) the unit, after opening the gauge hatch or vapour control valve c. Check the battery for low voltage d. Earth (ground) the unit, before opening the gauge hatch or vapour control valve
12. 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
13. 8.37 Which API MPMS Chapter covers temperature determination? a. Chapter 3 b. Chapter 7 c. Chapter 8 d. Chapter 17
14. 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]
15. 8.54 According to API MPMS Chapter 17.1, the preferred instrument for taking temperature is? a. A liquid-in-glass thermometer b. A portable electronic thermometer c. An in-line temperature probe d. A preferred instrument is not specified
16. 8.09 What is the minimum acceptable accuracy for a portable electronic thermometer when it is indicating a temperature reading of 101 °C [215°F]? a. ± 1.0 °C [2.0°F] b. ± 0.5 °C [1.0°F] c. ± 0.3 °C [0.5°F] d. ± 0.75 °C [1.5°F]
17. 8.30 API MPMS Chapter 7 describes a large temperature difference between upper, middle and lower reading as? a. Greater than 0.5°F [0.25°C] b. Greater than 1.0°F [2.0°C] c. Greater than 2.0°F [1.0°C] d. Greater than 5°F [2.5°C]
18. 8.50 A 4 000m3 [25 000bbl ] capacity storage tank has a depth of product of 4.70 m [15 feet] in the tank. What is the minimum number of temperature measurements that should be obtained on this tank. a. One b. Two c. Three d. Five
19. 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
20. 8.51 The immersion time for a cup-case assembly is minimized by continually raising and lowering the assembly 0.3m [1 foot] above and below the desired temperature measurement point. a. True b. False c. d.
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