welding i want to weld steel bars to my trailer should i use a arch welder or a wire feed welder?

1 Answer

Answer :

arch welding is a more stable form of welding. it get hotter and creates a stronger bond

Related questions

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 : 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 : 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 : New AT weld should be entered in TMS by ? (i) Sectional JE/SSE* (ii) Incharge SSE (iii) Welder (iv) None of the above

Last Answer : (i) Sectional JE/SSE*

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 : 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 : Who should select the specific welds for NDT, to cover the 10% contractual percentage required by the specification/Code? a) Anyone can select the welds as its just a random choice b) The welder ... welding is always carried out to a high standard the use of percentage NDT is of no real value

Last Answer : c) This will be referenced in the inspection and test plan

Description : What course of action should be taken upon finding a welder using incorrect shielding gas? a) Allow welding to proceed if the workmanship is good b) Report the incident and record all relevant ... the same as the approved one d) Change the electrode for the correct type and continue welding

Last Answer : b) Report the incident and record all relevant information

Description : Who has the responsibility of ensuring the welder is using the correct polarity during welding? a) The welder and the welding inspector b) Store man and the welder c) Welding Engineer d) The Q/A department

Last Answer : a) The welder and the welding inspector

Description : Which of the following would not be required to be checked before welding? a) The welding consumables b) The welder qualification c) Calibration of the welding equipment d) The workshop humidity

Last Answer : d) The workshop humidity

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 : do i need an actual welding table in order to be able to weld?

Last Answer : Need Answer

Description : Quantity is not a part of the weld symbol (i)Dark circle (ii) Open circle (iii) Angle of weld (iv)Starting and stopping allowance for welding

Last Answer : (iv)Starting and stopping allowance for welding

Description : Term which is not a part of the weld symbol (i) Tail (ii) Arrow (iii) Temperature of welding (iv) None

Last Answer : (iii) Temperature of welding

Description : Quantity which is not a part of the weld symbol (i)Length of welding (ii) Weld is made in the welding shop (iii) Welding is on both sides (iv) Machine used in welding

Last Answer : (iv) Machine used in welding

Description : Steels with high carbon equivalent have poor Weldability, because in these steels during welding (A) Carbon and other alloying elements get oxidised from the weld pool (B) Excessive ferrite forms in the ... of carbon and other element occurs in the weld pool leading to poor properties of the weld

Last Answer : (C) Martensite forms in the heat affected zone leading to poor toughness/ductility of the weld

Description : Coating provided on the electrodes used in the arc welding is not expected to (A) Add alloying elements (B) Prevent electrode from contamination (C) Stabilise the arc (D) Provide protective atmosphere to weld

Last Answer : (B) Prevent electrode from contamination

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 : 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 : 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 : Ratings for welding neck flanges under ASME B16.5 are based upon which of the following? a) The flange thickness and 40,000 psi yield strength. b) The hub thickness at the welding end and ... psi yield strength. c) The weld metal yield strength. d) The piping wall thickness and yield strength.

Last Answer : b) The hub thickness at the welding end and 40,000 psi yield strength

Description : What is the testing frequency of new AT weld ? (i) Just after the welding (ii) After 7 days of welding (iii) With in the one month of welding* (iv) None of the above

Last Answer : iii) With in the one month of welding*

Description : In how many time final grinding should be done of new AT weld ? (i) Just after the welding (ii) After 8 hrs of welding (iii) With in 24 hrs* (iv) None of the above

Last Answer : iii) With in 24 hrs*

Description : In how many time rough riding should be done of new AT weld ? (i) Just after the welding* (ii) After 8 hrs of welding (iii) After 24 hrs (iv) None of the above

Last Answer : i) Just after the welding*

Description : Weather date of welding is marked on weld? (i) Yes (ii) As decided by the site supervisor (iii) No* (iv) None of the above

Last Answer : (iii) No*

Description : After AT Welding First train is to be passed after ? (i) 20 Minutes from pouring of weld metal. (ii) 35 Minutes from pouring of weld metal. (iii) 30 Minutes from pouring of weld metal.* (iv) 25 Minutes from pouring of weld metal.

Last Answer : (iii) 30 Minutes from pouring of weld metal.*

Description : Is it possible to weld paring knives to barbed wire?

Last Answer : answer:If the knife blades are steel, then yes. Sounds like a cool project.

Description : What examines the inside of a weld in a steel oil pipe?

Last Answer : Need answer

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 : Weld decay can be minimized by specifying steel with: a) Higher carbon level b) higher chromium level c) lower carbon level d) lower chromium level

Last Answer : c) lower carbon level

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 : Can I use a 115v 26 amp welder on a regular outlet?

Last Answer : answer:As long as the wiring and the breakers are at least 30 amp you should be okay. Don't try to use it in a 20 amp circuit. If in doubt have someone come in and test the circuits, or ... . A little effort and money spent up front may save you from burning down your garage and possibly your house.

Description : What are the pros and cons of becoming a welder?

Last Answer : answer:It's a good craft and well paid when there is work. If you're into the building trades, it is a good choice. On the other hand, you don't do much more than weld all the time. And if ... working construction you might be in a ditch or outdoors in bad weather. But that's true of a lot of jobs.

Description : Any tips for a novice welder?

Last Answer : answer:My tip is this. Have a potato with you at all times. My father was a mechanical engineer that owned a welding and machine shop. After school we went to the shop. When I wasn't sweeping I was bolting ... eyes. It still hurt but it was a lot better. And practice.. Being a good welder is a art.

Description : What should I get for my first welder, arc or stick?

Last Answer : ‘pends, I think you should get the arc.

Description : How to land top welder jobs?

Last Answer : Welding is an industry where lots of really good jobs exist. If you want to be competitive for welder jobs, then you have to do the right things to position yourself. These jobs pay very ... jobs. These places have dedicated programs that do nothing but provide prospective welders with a skill set.

Description : How many pipe welder jobs are currently open?

Last Answer : That depends, are you wondering about pipe welder jobs at acertain company, in a certain city, a certain state, or all thejobs in the country? If you want to know about a certain company,contact the ... out. If it is one of the other choices,narrow down the demographic on monster to get an idea.

Description : What is the salary for an underwater welder?

Last Answer : While underwater welding is a dangerous career, it can be very lucrative and pay upwards of 100,000 dollars per year with a median salary around 90,000 dollars annually

Description : what is the salary of an underwater welder?

Last Answer : An underwater welder starts off in the mid 40s. You should research this on any website and scan salary given in ads. You may want to call a center by using 411. This could direct you to an actual center.

Description : What kind of experience do I need to be a welder?

Last Answer : According to my research in order to become a Welder you will need to take a test to receive your Welder's certificate. Once you get the certificate you can apply for jobs.

Description : How do I learn to be a professional welder?

Last Answer : Most community colleges offer welding as a degree. You will have a teacher who knows everything about welding and has the experience to back them up.

Description : does a welder have to do any type of schooling/classes?

Last Answer : There are multiple technical trade schools that provide welding classes and certification programs. One example is http://www.witcc.edu

Description : In welder qualification testing of 45mm plates, why are side bends used instead of root and face bends? a) They are easier to produce b) The testing equipment cannot handle thick root/face bends c) Root defects are not important for welder qualification d) They give more accurate indications

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Description : In a three-phase, squirrel-cage type, induction motor the rotating magnetic field is established by the _____________. A. current induced in the rotor windings B. application of a three-phase voltage ... caused by the induced current in the squirrel-cage bars with the magnetic field of the stator

Last Answer : Answer: B

Description : Crushing of mineral particles is accomplished in a 'cage mill', when one or more alloy steel bars are revolved in opposite directions. It is a type of __________ mill. (A) Impact (B) Roll (C) Vibratory (D) None of these

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Description : If a concrete column 200 200 mm in cross-section is reinforced with four steel bars of 1200  mm2  total cross-sectional area. Calculate the safe load for the column if permissible stress in  concrete is 5 N/mm2 ... 15 Ec (A) 264 MN  (B) 274 MN  (C) 284 MN  (D) 294 MN 

Last Answer : (C) 284 MN 

Description : A compound bar consists of two bars of equal length. Steel bar cross-section is 3500 mm2 and that  of brass bar is 3000 mm2 . These are subjected to a compressive load 100,000 N. If Eb = 0.2  MN/mm2  and Eb = 0.1 ... 6 N/mm2 s  = 12 N/mm2 (D) b = 5 N/mm2 s  = 10 N/mm

Last Answer : (A) b = 10 N/mm2 s  = 20 N/mm