API 577 Questions And Answers Verified By Experts

API 577 for API 570 The level of learning and training offered by RP 577 is __________________. a. consistent with an AWS CWI b. the same as required for an AWS CWI c. not a replacement for AWS CWI training d. automatically makes one a welding inspector - ANS C "DCEN" means. a. direct current, electrode none b. direct current, electrode negative c. don't come easy, Norman d. direct current, electrode normal - ANS B Another name or abbreviation for a penetrameter is: a. O.C.T. b. D.E.Q. c. B.E.P. d. I.Q.I. - ANS D A theoretical throat dimension is based on the assumption that the root opening is equal to: a. zero b. 1/16" c. 1/8" d. 1/32" - 1/16" - ANS A Welding inspection is a critical part of any ____________ program. a. Quality Assurance b. Quality Process c. ISO 9000 d. ISO 11000 - ANS A Welding inspection can be separated into 3 distinct stages: a. welding, NDE, hardness testing b. pre-welding, NDE, heat treatment c. visual, NDE, RT d. before welding, during welding, after welding - ANS D One of the items that should be checked prior to welding is: a. confirm NDE examiners qualifications b. confirm acceptability of heat treatment procedures c. review WPS, PQR, and WPQ's d. All of the above should be checked prior to welding - ANS D When discovered, welding defects should be: a. radiographed to determine extent b. removed and re-inspected c. shearwave tested d. evaluated to API 580 acceptance criteria - ANS B NDE examiners should be qualified to ______ when specified by the referencing code. a. ASME XII b. API 570 c. SNT-TC-1A d. API 510 - ANS C As a minimum, each Inspector should review the ______________ prior to starting each job. a. OSHA regulations b. EPA regulations c. site safety rules d. HAZWOPER Guidelines - ANS C An advantage of SMAW is: a. equipment is very expensive b. slag must be removed from weld passes c. can be used on almost all commonly-used metal or alloy d. deposition rates are much higher than for other processes - ANS C GTAW and SMAW can be distinguished from other processes as they are both used with _______. a. cc power supplies b. cv power supplies c. external gas shielding d. flux cored electrodes - ANS A When welding aluminum, and magnesium with GTAW, ______ is normally used. a. DCEN b. CCPO c. DCEP d. AC - ANS D GMAW can be used in 3 distinct modes of transfer. The coolest or fastest freezing of these transfers is: a. spray b. short circuiting c. pulse-spray d. globular - ANS B A limitation of the FCAW process is: a. slag removal b. slower than GTAW or SMAW c. lower deposition than GTAW d. lack of fusion problems because of short arcing - ANS A One of the unusual aspects of SAW is that: a. it is not an arc welding process b. it can be automated c. the arc is not visible during welding d. a gas is used for shielding - ANS C The three welding documents required to make a production weld (as required by ASME IX) are: a. WPS, PQR, WPL b. PSW, QPR, WPQ c. WPQ, PQR, WPS d. POR, PQR, WOR - ANS C F numbers are assigned to electrodes based on their ______________. a. alloy b. chemistry c. usability characteristics d. flux coating - ANS C What type of electrodes should be stored in a heated oven after initial removal from the package? a. low hydrogen b. cellulose coated c. GMAW rod d. high nickel - ANS A Slightly damp low hydrogen electrodes should be: a. discarded b. rebaked in special ovens c. used "as is" d. rebaked in the storage oven - ANS B A welder continuity log should be maintained to allow verification that each welder has utilized each welding process within a _______ period. a. one yea b. 3 month c. 2 year d. six month - ANS D Undercut is normally found_______________. a. in the weld metal b. in the base metal c. at the weld interface d. at the root of the weld, only - ANS C Weld underbead cracking is normally found _______________________. a. in the HAZ b. in the throat of the weld c. in the weld root d. in the weld face - ANS A The best NDE method used to inspect butt joints volumetrically (through the entire weld) would be: a. PT b. VT c. RT d. LT - ANS C Hydrogen cracking may occur in all of the following welding processes, except: a. SMAW b. FCAW c. SAW d. GMAW - ANS D In austenitic stainless steel, incomplete penetration is normally corrected by: a. reducing travel speed b. proper heat input c. controlling ferrite content d. all of the above - ANS B "Optical aids" include which of the following: a. levels b. thickness gauge c. mirrors d. fillet weld gauge - ANS C A typical fillet weld gauge would include which of the following: a. skew-T b. Bridge Cam c. Hi-Lo d. Vernier Caliper - ANS A ACFM is an NDE technique that is applied to detect: a. sub-surface indications, in carbon steel b. surface and sub-surface indications in stainless steel c. surface indications in carbon, alloy and stainless steel d. surface indications in carbon steel only - ANS C One of the best features of ACFM is that it: a. requires not calibration standards b. does not require a skilled operator c. requires no electricity d. is a low temperature technique - ANS A Eddy Current (ET) has limited use in welding inspection, but is often used in____________. a. heavy wall volumetric testing b. coating thickness measurement c. measuring cladding thickness d. both b and c, above - ANS D The NDE Examiner that performs the radiographic film interpretation should be qualified, as a minimum, to a _____. a. ASNT Level I b. ASNT Level II c. ASNT Level III d. ASNT Level IV - ANS B Cobalt is normally used for radiographing thicknesses of _________. a. 0.25" - 3.0" b. 1.5" - 7.0" c. 8.0" - 10.0" d. 0.50" - 2.0" - ANS B A film density of 1.0 will allow _______% of light through to the film. a. 1% b. 10% c. 0.01% d. 0.001% - ANS B Ultrasonic examination that shows a plan view of the test object would be _____________. a. A-scan b. B-scan c. C-scan d. D-scan - ANS C Each pass of the UT transducer should overlap the previous pass by _____% of the transducer dimension. a. 1% b. 5% c. 10% d. 15% - ANS C Because of the similarities in the shape of the grains and cooling characteristics, a weld can be considered to be a small_______________. a. casting b. forging c. extrusion d. ingot - ANS A A defect is also considered to be a (an): a. imperfection b. rejectable flaw c. acceptable flaw d. non-relevant indication - ANS B The vast majority of metallic materials used in refineries or chemical plants are ___________. a. cast materials b. killed materials c. stainless steel materials d. wrought materials - ANS D Hydrogen in welding may come from various sources, such as: a. lubricants b. moisture c. net electrodes d. all of the above - ANS D Materials with high thermal conductivity will require ___________________. a. higher heat input to weld b. lower heat input to weld c. preheating d. post-weld heating - ANS A Metals with a high coefficient of thermal expansion are more susceptible to: a. transverse cracking b. lack of fusion c. warpage and distortion d. linear porosity - ANS C The three hardness tests normally used are the: a. Schindler, Johnson, Williams b. Rockwell, Vickes, Brinell c. Rockwell, UT, Shearwave d. Brinell, Vicky, Rockdale - ANS B In Rockwell hardness testing, the minor load is always____________________ a. 10 psi b. 150 psi c. 150 kg d. 10 kg - ANS D One of the most common types of fracture toughness tests is the _________ test. a. Rockwell b. Tensile c. Charpy d. Stress-strain - ANS C How does preheating carbon steel tend to reduce hydrogen-induced delayed cracking? a. eliminates SCC b. prevents carbon migration c. slows the cooling rate - prevents martensite formation d. makes the grains grow so they won't crack - ANS C Preheat is usually monitored by________________ a. thermocouples b. crayons c. contact pyrometer d. any or all of the above - ANS D The primary reason for PWHT is: a. relieve residual stresses b. complete phase transformations c. de-sensitize steel d. drive off excess moisture - ANS A Hardness and hardenability are two terms that: a. mean the same thing b. indicate the carbon content of a material c. mean two different properties d. indicate the alloying content of a material - ANS C A typical test for hardenability is the ___________. a. bend test b. Rockwell test c. Jominy Bar test d. Charpy V-notch test - ANS C The general Brinell Hardness limit for 5CR-Mo steels is: a. 200 b. 225 c. 241 d. 250 - ANS C Which of the following elements influences the mechanical properties of weldments more than any other? a. carbon b. silicon c. nitrogen d. nickel - ANS A OPEN BOOK QUESTION: A material Test Report shows the following chemistries: carbon - 0.15% manganese - 0.20% nickel - 0.35% chrome - 1.25% molybdenum - 1.00% copper - 0.01% vanadium - 0.02% silicon - 0.53% What is the approximate CE of this material using the formula supplied in RP 577? a. 0.35 b. 0.7 c. 0.9 d. 0.55 - ANS B From the above CE number, what should typically be done after welding this steel? a. no PWHT b. preheating c. PWHT d. preheat and PWHT - ANS D A very specialized external loading weld test is the _________ test. a. bend b. Schindlerini c. gleeble d. rrc - ANS A Austenitic stainless steels typically contain chrome and nickel, and are used for: a. corrosion resistance b. resistance to high temperature degradation c. sulfur resistance d. both a and b, above - ANS D The most common measure of weldability and hot cracking of stainless steel is the _________. a. bend test b. ferrite number c. Charpy V-notch number d. hydrogen number - ANS B An extra-low hydrogen electrode (H4) should be used when hot tapping carbon steels with a CE greater than _____________(%) a. 0.50 b. 0.43 c. 0.25 d. 0.35 - ANS B To reduce burn-through potential, liquid flow rates should be between _________ and _________ when hot-tapping. a. 0.4 - 1.3 m/sec b. 1.5 - 4.0 ft/sec c. 0.4 - 1.2 m/sec d. 40 - 70 ft/sec - ANS C A common weld defect encountered with the GMAW-S welding process is: a. LOP b. slag c. LOF d. cracking - ANS C