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Question 57/65

If thermal shock damage may be present, which of the following should be checked?

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Question List (65q)
Question 1: One way to prevent oxide scale formation on alloy steel is t...
Question 2: What damage mechanism can occur in wet H#S environments and ...
Question 3: (Amine stress corrosion cracking is found primarily in the:)...
Question 4: Cooling water corrosion of exchanger tubes is typically incr...
Question 5: Naphthenic acid corrosion (NAC) is most severe in what phase...
Question 6: Besides corrosion, what other damage mechanism in hydrofluor...
Question 7: Brittle fracture of a component is closely related to:...
Question 8: Hydrogen permeation or diffusion rates associated with wet H...
Question 9: Sigma phase embrittlement can occur in which of the followin...
Question 10: 300 series austenitic stainless steels susceptible to polyth...
Question 11: Proactive and retroactive positive material identification p...
Question 12: What is the best way to inspect for brittle fracture?...
Question 13: (Sulfidation is known to be accelerated by the presence of:)...
Question 14: The most important alloying element for prevention of high-t...
Question 15: Metal dusting usually occurs in the operating temperature ra...
Question 16: What arbitrary value of hydrogen sulfide in water is often u...
Question 17: Steel hardness and strength are critical factors for what ty...
Question 18: A nickel-based buttering layer is often used when welding au...
Question 19: The rate of spheroidization is affected by:...
Question 20: Which of the following is related to all wet H#S damage mech...
Question 21: An inspector observes sharp-edged pitting in piping immediat...
Question 22: Temper embrittlement is a metallurgical change that is:...
Question 23: Which of the following damage mechanisms is related to steel...
Question 24: Convection section soot blowers that have steam supplies wit...
Question 25: The primary cause of ammonium chloride corrosion is the form...
Question 26: (Prevention of high-temperature hydrogen attack is usually a...
Question 27: The most effective means of preventing caustic stress corros...
Question 28: Which of the following is considered resistant to cracking i...
Question 29: Which of the following will experience the highest oxidation...
Question 30: Blistering and hydrogen-induced cracking (HIC) damage are mo...
Question 31: Which of the materials listed are not susceptible to Chlorid...
Question 32: What alloy element most improves naphthenic acid corrosion (...
Question 33: (Typically, surface decarburization will have what effect on...
Question 34: Microbiologically induced corrosion is largely independent o...
Question 35: In what damage mechanism does hydrogen combine with carbides...
Question 36: Which damage mechanism will not benefit much from PWHT mitig...
Question 37: (Graphitization occurs in:)
Question 38: To avoid cooling water scaling, process side inlet temperatu...
Question 39: (A metal cracks because of stress relaxation during postweld...
Question 40: (Concentration Cell Corrosion is best described as corrosion...
Question 41: What type of damage is affected by higher hydrogen partial p...
Question 42: Temper embrittlement is defined as:...
Question 43: (Which of the following can be used to confirm 885 °F (475 °...
Question 44: Erosion and erosion-corrosion metal loss is characterized by...
Question 45: (Creep damage can be mitigated by:)...
Question 46: H#S content, pH, temperature, velocity, and oxygen concentra...
Question 47: Phosphoric acid corrosion in polymerization units is usually...
Question 48: The 300 series stainless steels (austenitic stainless steels...
Question 49: (Increased corrosion rates have been observed in equipment a...
Question 50: Caustic corrosion is most often associated with:...
Question 51: (What steel alloy is no longer recommended for services susc...
Question 52: Why are high-cycle fatigue cracks difficult to detect with n...
Question 53: Polythionic acid stress corrosion cracking is:...
Question 54: Corrosion under insulation mitigation is best achieved by:...
Question 55: Which of the following is a critical factor for chloride str...
Question 56: The type of organic acids in crude feedstocks that are of mo...
Question 57: If thermal shock damage may be present, which of the followi...
Question 58: Short-term stress rupture is a/an:...
Question 59: The stream from a crude atmospheric overhead goes to the tub...
Question 60: Which of the following generally manifests itself as a subsu...
Question 61: Severe internal grooving corrosion is found at the bottom of...
Question 62: To detect wet insulation that might give rise to corrosion u...
Question 63: Aggressive ammonium chloride corrosion often occurs:...
Question 64: Cracks formed by carbonate stress corrosion are best detecte...
Question 65: Which of the following can increase the corrosion rate of ca...