2933972
Description
Quiz by wahyu.wb29, updated more than 1 year ago
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Created by wahyu.wb29
almost 9 years ago
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Question 1
Question
1. When making repairs to stainless-steel overlay on carbon steel base material, the repair shall be inspected by ?
Answer
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A. Radiographic testing
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B. Penetrant testing
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C. Ultrasonic examination
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D. Penetrant and ultrasonic testing
Question 2
Question
2. Temper embrittlement is a metallurgical change that is ?
Answer
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A. Not readily apparent but can be confirmed through tension testing
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B. Readily apparent and can be confirmed through impact testing
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C. Readily apparent and can be confirmed through metallography
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D. Not readily apparent but can be confirmed through impact testing
Question 3
Question
3. Non – normalized SA 516 Gr 60 material is used for fabricating a pressure vessel that has a nominal wall thickness of 1.125 inches (28.6mm). What is the minimum design metal temperature for the vessel that does not require impact testing ?
Answer
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A. - 26˚F (-32˚C)
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B. 2˚F (-17˚C)
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C. 37˚F (3˚C)
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D. 75˚F (24˚C)
Question 4
Question
4. When reviewing a group of radiographs, all following information must be documented except ?
Answer
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A. Source to object distance
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B. Geometric un sharpness
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C. Material type
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D. Single or double wall exposure
Question 5
Question
5. If a repair is made on a pressure vessel using a filler metal with lower specified minimum tensile strength than base metal, all of the following requirement apply except ?
Answer
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A. The repair shall be made with minimum of two passes
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B. The increased thickness of the repair shall have rounded corners and blend into the base metal using a 3 : 1 taper
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C. A minimum preheat of 175 Deg F (79.4 Deg C) and an inter pass temperature of 450 Deg F (232Deg C)must be maintained
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D. The repair thickness shall not more than 50 % of the required base metal thickness excluding corrosion allowance
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