Description : Weld decay is caused by the formation of a compound with carbon. The other element in this compound is: a) Manganese b) Sulphur c) Chromium d) Nickel
Last Answer : c) Chromium
Description : Weld decay occurs in which of the following steel types? a) Carbon/Manganese b) Low alloy c) Any stainless steel d) Austenitic stainless steels
Last Answer : d) Austenitic stainless steels
Description : Weld decay will cause which of the following problems? a) A reduced resistance to corrosion b) a lower tensile strength c) The toughness is reduced d) The hardness will increase
Last Answer : a) A reduced resistance to corrosion
Description : A post weld heat treatment may also be of benefit in minimizing the risk of weld decay, this heat treatment would be called? a) Stress relief b) Normalizing c) Quench and Tempering d) Solution treatment over 1000 °C
Last Answer : d) Solution treatment over 1000 °C
Description : When MMA welding what will be the effect on the weld f the power source was changed from AC to DC-ve? a) None b) Higher deposition rate c) It would slightly increase the depth of penetration d) The arc would become unstable
Last Answer : b) Higher deposition rate
Description : A butt weld has been made by MMA in a 50mm thick impact tested steel plate. The welding electrode used was a basic type, 5mm diameter. The measured welding parameters for one of the runs was 250 amps, 24 volts, using DC ... given to calculate the arc energy b) 1.9 kJ/mm c) 1.87 kJ/mm d) 2.0 kJ/mm
Last Answer : d) 2.0 kJ/mm
Description : The tags used for specifying the style in HTML are -Technology
Last Answer : (a) Because these two tags are text formatting/styling tags.
Description : The ………….. attribute is used for specifying the URL of the anchor tag. -Technology
Last Answer : The hrefattribute is used for specifying the URL of the anchor tag.
Description : Name the attributes of tag which are used for specifying its dimensions in a Web page. -Technology
Last Answer : width and height attributes of the tag are used for specifying its dimensions in a Web page, width and height are specified in terms of pixels or percentage of the browser window.
Description : Why You Shouldn’t Weld Carbon Steel and Stainless Steel Wire Together?
Last Answer : Reasons You Want to Avoid Welding Stainless Steel to Carbon Steel1.Difficulty: Combining dissimilar metals together, such as welding stainless steel to carbon steel, adds extra challenges to ... aren’t perfect.3.Thermal Expansion in High Temperature Service Conditions: Another problem with usi
Description : It may also be minimized by adding minimizes called stabilizers. These may be: a) Vanadium/Titanium b) Titanium/Niobium c) Niobium/Vanadium d) Vanadium/Titanium/Niobium
Last Answer : b) Titanium/Niobium
Description : Praziquantel is preferred over niclosamide for Taenia solium infestation because: A. It achieves higher cure rates B. It produces fewer side effects C. It does not lead to digestion of worm and kills encysted larvae, so that chances of cysticercosis are minimized D. Both ‘A’ and ‘B’ are correct
Last Answer : C. It does not lead to digestion of worm and kills encysted larvae, so that chances of cysticercosis are minimized
Description : Stainless steel contains which of the following? (a) Aluminium and Zinc (b) Chromium and Carbon (c) Zinc and Mercury (d) Copper and Cadmium
Last Answer : Ans:(b)
Description : The important metal used with iron to produce stainless steel is – (1) Al (2) Chromium (3) Tin (4) Carbon
Last Answer : (2) Chromium Explanation: Stainless steel is an alloy of iron with chromium. Chromium prevents its from corrosion. Stainless steel differs from carbon steel by the amount of chromium present.
Description : Stainless steel is an alloy of - (1) chromium and carbon (2) chromium, carbon and iron (3) chromium and iron (4) carbon and iron
Last Answer : (2) chromium, carbon and iron Explanation: Steel is an alloy made by combining iron and other elements, the most common of these being carbon. When carbon is used, its content in the steel ... 11% chromium content by mass. Stainless steel differs from carbon steel by the amount of chromium present.
Description : Which metal is added to steel to make it stainless steel? A. Chromium (Answer) B. Aluminium C. Carbon D. Copper
Last Answer : A. Chromium (Answer)
Description : Work hardenable alloy steel used to make the bucket wheel excavators, blades of bulldozers and other earth moving equipments contain iron, carbon and (A) Manganese (B) Silicon (C) Nickel (D) Chromium
Last Answer : (A) Manganese
Description : Steel containing low percentage of nickel, chromium & tungsten are termed as the __________ steel. (A) Wrought (B) Tool (C) Alloy (D) Plain carbon
Last Answer : (D) Plain carbon
Description : The yield point phenomenon observed in annealed low carbon steel is due to the presence of the following element. (A) Silicon (B) Carbon (C) Phosphorous (D) Chromium
Last Answer : Option B
Description : Stainless steel resists corrosion due to (A) Carbon (B) Sulphur (C) Vanadium (D) Chromium
Last Answer : Answer: Option D
Description : The yield strength and tensile strength of low carbon steel may be improved by the addition of (A) Manganese (B) Chromium (C) Nickel (D) Vanadium
Description : Transformer cores are laminated with (A) Low carbon steel. (B) Silicon sheet steel. (C) Nickel alloy steel. (D) Chromium sheet steel.
Last Answer : (B) Silicon sheet steel.
Description : Which of the following are alloying materials used the manufacture of stainless steel? w) Limestone and carbon x) Calcium oxide and oxygen y) Oxygen and sulfur dioxide z) Chromium and nickel
Last Answer : ANSWER: Z -- CHROMIUM AND NICKEL
Description : The important metal used with iron to produce stainless steel is (1) Aluminium (2) Chromium (3) Tin (4) Carbon
Last Answer : Chromium
Description : Stainless steel is an alloy of (1) chromium and carbon (2) chromium, carbon and iron (3) chromium and iron (4) carbon and iron
Last Answer : chromium, carbon and iron
Description : On inspecting a completed weld which has charpy impact requirements some small, smooth, shallow areas of undercut have been found
Last Answer : d) Only allow the welder to cosmetically blend out the undercut
Description : Root and face bends from an 8mm thick butt weld require testing. The specimens are cut to 20mm wide. The code calls for a 4t bend. Which of the following rollers should be selected for the testing? a) 50mm radius b) 50mdiameter c) 32mm radius d) 32mm diameter
Last Answer : d) 32mm diameter
Description : In a transverse WELD tensile test, if the break was in the weld metal, the sample would he: a) Rejected b) Acceptable if the UTS is equal to or greater than the specified UTS of the plate c) Retested d) Acceptable if the UTS is between 80 - 90% of the specified UTS of the plate
Last Answer : b) Acceptable if the UTS is equal to or greater than the specified UTS of the plate
Description : To assess the surface of a weld for direct inspection, the distance from the surface to eye should be a maximum of? a) 200mm b) 600mm c) 60mm d) 6000mm
Last Answer : b) 600mm
Description : Why is it essential to clean the excess weld metal on completion of the production weld? a) So it can be ready for painting b) To remove any rust c) To ensure it is suitably clean for visual inspection and NDT d) To remove slag from the undercut
Last Answer : c) To ensure it is suitably clean for visual inspection and NDT
Description : Who has the final responsibility of sentencing and accepting a weld on completion? a) The contractor’s inspector b) Site manager c) The welder d) The client’s inspector or certifying authority
Last Answer : d) The client’s inspector or certifying authority
Description : Why would visual inspection of the excess weld metal at the bottom of a cross country pipeline be important? a) It is the most difficult area to weld b) It is the dirtiest part of the pipe as ... ground c) Welders always forget to weld the bottom d) It is the most difficult area to radiograph
Last Answer : a) It is the most difficult area to weld
Description : What is meant by the term PWHT? a) Pipe weld heat treatment b) Pre weld heat treatment c) Post weld hydrogen tearing d) Post weld het treatment
Last Answer : d) Post weld het treatment
Description : What information should be recorded as a minimum, on a completed production weld? a) Size and type of electrode and b) Welding supervisor’s name c) Welder’s Identification, date and weld number d) Welding inspectors name
Last Answer : c) Welder’s Identification, date and weld number
Description : The welders have increased the voltage on the SAW welding set, what would be the effect on the weld appearance? a) No effect b) The weld width would be narrower c) The penetration will be increased d) The weld width would be wider
Last Answer : d) The weld width would be wider
Description : t is permissible to allow trainee welder to carry out production welding? a) Never b) Yes as long as the supervisor is happy with his workmanship standard c) Yes as long as he has the approved ... cover the intended scope of work d) Yes as long as no NDT is required on the finished weld
Last Answer : a) Never
Description : What does the term WPQR means? a) Weld productivity quality review b) Weld production quality requirments c) Welding procedure
Last Answer : c) Welding procedure
Description : How is preheat for tack welds during assembly and fit up determined? a) By the welders as they have extensive knowledge b) The fabrication specification/WPS will give the requirements c) The fabrication drawing will give all the information d) Any temperature will do as it is only a tack weld
Last Answer : b) The fabrication specification/WPS will give the requirements
Description : Who determines what the correct weld preparation (root gap, root face, included angle) should be? a) The welding engineer b) The welding supervisor c) The welder will decide d) The inspector will recommend what is suitable
Last Answer : a) The welding engineer
Description : What examines the inside of a weld in a steel oil pipe?
Last Answer : Need answer
Description : welding i want to weld steel bars to my trailer should i use a arch welder or a wire feed welder?
Last Answer : arch welding is a more stable form of welding. it get hotter and creates a stronger bond
Description : Can you weld galvanized metal to steel?
Last Answer : When using SMAW ("stick") welding, galvanized steel can be welded in the same manner as uncoated steel. ... The thicker the zinc coating, the more fumes are generated, and those fumes have to be able to escape easily into the atmosphere and not be forced through the liquid weld metal.
Description : Cold cracking in the heat affected zone of a high strength steel weld can take place because of the (A) Retained austenite (B) Martensite formation (C) Relatively high sulphur content in the base metal (D) Sufficient hydrogen present in the welding arc
Last Answer : (B) Martensite formation
Description : What’s you horribly misinterpreted plot/story review for a movie, but without specifying the movie?
Last Answer : “Old woman holds a baby she fucked 27 years prior”
Description : What Portion of DNA which carries the genetic code for the formation of a particular protein by specifying its amino acids sequence?
Last Answer : Gene
Description : Memories in which any location can be reached in a fixed amount of time after specifying its address is called ________ A. Sequential Access Memory B. Random Access Memory C. Quick Access Memory D. Mass storage
Last Answer : B. Random Access Memory
Description : While specifying master/detail relationship between two blocks specifying the join condition is a must ? True or False. ?
Last Answer : True
Description : What term is normally associated with specifying the location of a celestial body in space? A. Constellation B. Galaxy C. Satellite D. Ephemeris
Last Answer : D. Ephemeris
Description : Which algorithm places two actions into a plan without specifying which should come first? a) Full-order planner b) Total-order planner c) Semi-order planner d) Partial-order planner
Last Answer : d) Partial-order planner
Description : An engagement letter should be written before the start of an audit because a. It specifies the client's responsibility for preparing schedules and making the records available to the auditor. b. It may ... It specifies the basis for billing the audit for the upcoming year. d. All of the above
Last Answer : All of the above