What is the mode of metal transfer for the TIG (GTAW) welding process? a) Spray Transfer b) Globular Transfer c) Dip Transfer d) None of the above

What is the mode of metal transfer for the TIG (GTAW) welding process?
a) Spray Transfer b) Globular Transfer c) Dip Transfer d) None of the above
by

1 Answer

Answer :

d) None of the above
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Related questions

What is a typical ARC voltage setting when welding with the TIG (GTAW) process? a) 18-20V b) 24-26V c) 10-12V d) 70-90V

Description : What is a typical ARC voltage setting when welding with the TIG (GTAW) process? a) 18-20V b) 24-26V c) 10-12V d) 70-90V

Last Answer : c) 10-12V

Explain TIG (GTAW) welding process with neat sketch.

Description : Explain TIG (GTAW) welding process with neat sketch.

Last Answer : Tungsten Inert Gas Arc Welding (TIG, GTAW): It is a welding process, in which heat is generated by an electric arc struck between a nonconsumable tungsten electrode and the work piece. The weld pool is ... produces a high quality weld of most of metals. Flux is not used in the process.  

Which of the following defects is usually associated with the MAG GMAW) welding process when using Dip Transfer? a) Centerline cracking b) Lack of side wall Fusion c) Undercut d) Tungsten inclusions

Description : Which of the following defects is usually associated with the MAG GMAW) welding process when using Dip Transfer? a) Centerline cracking b) Lack of side wall Fusion c) Undercut d) Tungsten inclusions

Last Answer : b) Lack of side wall Fusion

TIG welding, thoriated tungsten electrodes are used, because it (A) Has higher current carrying capacity (B) Has better electron emissivity (C) Is stronger than ordinary tungsten (D) Is easy to prepare

Description : TIG welding, thoriated tungsten electrodes are used, because it (A) Has higher current carrying capacity (B) Has better electron emissivity (C) Is stronger than ordinary tungsten (D) Is easy to prepare

Last Answer : Option B

State the applications of TIG welding.

Description : State the applications of TIG welding.

Last Answer : The applications of TIG welding are as follows: 1. Mostly used to weld aluminum and aluminum alloys. 2. It is used to weld stainless steel, carbon base alloy, copper base alloy, nickel base alloy etc. 3. It is used to welding dissimilar metals. 4. It is mostly used in aerospace industries.

Globular form of cementite is formed during the __________ process. (A) Spheroidising (B) Hardening (C) Annealing (D) Normalising

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Last Answer : Correct Answer: 4) Bryonia alba

Differentiate between TIG and MIG.

Description : Differentiate between TIG and MIG.

Last Answer : Sr. No TIG MIG 1 In Tungsten Inert Gas arc welding, non- consumable tungsten electrode is used  In Metal Inert Gas arc welding, consumable metallic electrode is used 2 ... penetration is obtained 8 Requires skilled operator Less skilled operator can do the job

Which of the following work is done by General purpose Robot? A : Part drive B : Welding C : Spray picking D : Part panting

Description : Which of the following work is done by General purpose Robot? A : Part drive B : Welding C : Spray picking D : Part panting

Last Answer : B : Welding

Which of the following work is done by General purpose Robot? A : Part drive B : Welding C : Spray picking D : Part panting

Description : Which of the following work is done by General purpose Robot? A : Part drive B : Welding C : Spray picking D : Part panting

Last Answer : B : Welding

Which of the following work is done by General purpose robot? (A) Part picking (B) Welding (C) Spray painting (D) All of the above

Description : Which of the following work is done by General purpose robot? (A) Part picking (B) Welding (C) Spray painting (D) All of the above

Last Answer : D

Difference between fibrous proteins and globular proteins? -Biology

Description : Difference between fibrous proteins and globular proteins? -Biology

Last Answer : answer:

Select the total number of false statement from the following (i) The globular head is an active ATPase enzyme and has binding sites for ATP and activ

Description : Select the total number of false statement from the following (i) The globular head is an active ATPase enzyme and has binding sites for ATP and activ

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Where in the spiral galaxy you would expect to find globular clusters?

Description : Where in the spiral galaxy you would expect to find globular clusters?

Last Answer : Need answer

Many globular proteins are stable in solution although they lack in (A) Hydrogen bonds (B) Salt bonds (C) Non-polar bonds (D) Disulphide bonds

Description : Many globular proteins are stable in solution although they lack in (A) Hydrogen bonds (B) Salt bonds (C) Non-polar bonds (D) Disulphide bonds

Last Answer : Answer : D

A coiled structure in which peptide bonds are folded in regular manner by (A) Globular proteins (B) Fibrous proteins (C) Both (A) and (B) (D) None of these

Description : A coiled structure in which peptide bonds are folded in regular manner by (A) Globular proteins (B) Fibrous proteins (C) Both (A) and (B) (D) None of these

Last Answer : Answer : A

Globular proteins have completely folded, coiled polypeptide chain and the axial ratio (ratio of length to breadth) is (A) Less than 10 and generally not greater than 3–4 (B) Generally 10 (C) Greater than 10 and generally 20 (D) Greater than 10

Description : Globular proteins have completely folded, coiled polypeptide chain and the axial ratio (ratio of length to breadth) is (A) Less than 10 and generally not greater than 3–4 (B) Generally 10 (C) Greater than 10 and generally 20 (D) Greater than 10

Last Answer : Answer : A

Many globular proteins are stable in solution inspite they lack in (A) Disulphide bonds (B) Hydrogen bonds (C) Salt bonds (D) Non polar bonds

Description : Many globular proteins are stable in solution inspite they lack in (A) Disulphide bonds (B) Hydrogen bonds (C) Salt bonds (D) Non polar bonds

Last Answer : Answer : A

Collagen is (a) fibrous protein (b) globular protein (c) lipid (d) carbohydrate.

Description : Collagen is (a) fibrous protein (b) globular protein (c) lipid (d) carbohydrate.

Last Answer : (a) fibrous protein

The primary structure of a protein refers to : (a) whether the protein is fibrous or globular (b) the amino acid sequence in the polypeptide chain (c) the orientation of the amino acid side chains in space (d) the presence or absence of an α-helix

Description : The primary structure of a protein refers to : (a) whether the protein is fibrous or globular (b) the amino acid sequence in the polypeptide chain (c) the orientation of the amino acid side chains in space (d) the presence or absence of an α-helix

Last Answer : the amino acid sequence in the polypeptide chain

What would be the most likely SAW flux type for welding medium carbon steel which requires impact testing: a) Cellulosic b) Rutile c) Fused d) Agglomerated

Description : What would be the most likely SAW flux type for welding medium carbon steel which requires impact testing: a) Cellulosic b) Rutile c) Fused d) Agglomerated

Last Answer : d) Agglomerated

When welding medium carbon steel plates over 100mm in thickness would the basic electrodes require any pre treatment before use? a) None if they were in a vacuum pack opened 8 hours prior to use b) None if they were in a sealed vacuum pack prior to use c) Heat to 500 °C for 2 hours if used outside d) Baked at 150°C for 4hours prior to use

Description : When welding medium carbon steel plates over 100mm in thickness would the basic electrodes require any pre treatment before use? a) None if they were in a vacuum pack opened 8 hours prior to use b) None if ... ) Heat to 500 °C for 2 hours if used outside d) Baked at 150°C for 4hours prior to use

Last Answer : b) None if they were in a sealed vacuum pack prior to use

Which of the following uses a flat characteristic? a) MAG (GMAW) b) Oxy-fuel gas welding c) Resistance spot welding d) SAW using greater than 1000 amps

Description : Which of the following uses a flat characteristic? a) MAG (GMAW) b) Oxy-fuel gas welding c) Resistance spot welding d) SAW using greater than 1000 amps

Last Answer : a) MAG (GMAW)

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

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

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+ve polarity, and a ROL:of 180mm per min. What would be the arc energy? a) Insufficient information given to calculate the arc energy b) 1.9 kJ/mm c) 1.87 kJ/mm d) 2.0 kJ/mm

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

In a welding procedure transverse joint tensile test the following observations were made. The specimen CSA was recorded as 30mm x 20mm and the maximum load applied was recorded as 200kN. What is the UTS? a) 33kN/mm2b) 333N/mm2c) 3333N/mm2d) 33N/mm2

Description : In a welding procedure transverse joint tensile test the following observations were made. The specimen CSA was recorded as 30mm x 20mm and the maximum load applied was recorded as 200kN. What is the UTS? a) 33kN/mm2b) 333N/mm2c) 3333N/mm2d) 33N/mm2

Last Answer : b) 333N/mm2

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 as he knows which welds are likely to produce the least defects c) This will be referenced in the inspection and test plan d) Nobody, as welding is always carried out to a high standard the use of percentage NDT is of no real value

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

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

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

Why is the OCV capped at voltage setting? a) To save electricity b) To prevent exploding of the consumable c) Allow smooth transition into welding voltage range d) To reduce the risk of fatality

Description : Why is the OCV capped at voltage setting? a) To save electricity b) To prevent exploding of the consumable c) Allow smooth transition into welding voltage range d) To reduce the risk of fatality

Last Answer : c) Allow smooth transition into welding voltage range

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 information c) None if the tensile strength of the consumables is the same as the approved one d) Change the electrode for the correct type and continue welding

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

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

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

During root welding, which of the following would be the main cause of excess penetration? a) The root gap is too small in accordance with WPS b) Preheat not used c) The current is too high d) Root face is too large

Description : During root welding, which of the following would be the main cause of excess penetration? a) The root gap is too small in accordance with WPS b) Preheat not used c) The current is too high d) Root face is too large

Last Answer : c) The current is too high

When would you measure the minimum preheat temperature? a) On completion of each pass b) Immediately prior to commencing the first pass and subsequent passes c) When the welding is complete d) Minimum preheat temperature measurement is only required if the heat input is lower than that specified in WPS

Description : When would you measure the minimum preheat temperature? a) On completion of each pass b) Immediately prior to commencing the first pass and subsequent passes c) When the welding is ... preheat temperature measurement is only required if the heat input is lower than that specified in WPS

Last Answer : b) Immediately prior to commencing the first pass and subsequent passes

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

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

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 qualification to cover the intended scope of work d) Yes as long as no NDT is required on the finished weld

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

Who is responsible for site safety? a) Site Quality Engineer b) Welding Supervisor c) An approved safety engineer d) Everyone

Description : Who is responsible for site safety? a) Site Quality Engineer b) Welding Supervisor c) An approved safety engineer d) Everyone

Last Answer : d) Everyone

What BSEN standard is used for welding symbols on drawings? a) BS EN 970 b) BS EN 287 c) BS EN 22553 d) BS EN 4515

Description : What BSEN standard is used for welding symbols on drawings? a) BS EN 970 b) BS EN 287 c) BS EN 22553 d) BS EN 4515

Last Answer : c) BS EN 22553

What does the term WPQR means? a) Weld productivity quality review b) Weld production quality requirments c) Welding procedure

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

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

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

Why it is sometimes necessary to preheat the base material before welding? a) To remove oil and grease b) To remove moisture from inside the material c) To prevent the possible risk of cracking d) Not required if using cellulosic electrodes as these will provide enough heat

Description : Why it is sometimes necessary to preheat the base material before welding? a) To remove oil and grease b) To remove moisture from inside the material c) To prevent the possible risk of cracking d) Not required if using cellulosic electrodes as these will provide enough heat

Last Answer : c) To prevent the possible risk of cracking

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

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

Who should have access to the WPQR’S? a) NDT operators b) Inspectors only c) Welders only d) Welding Engineer

Description : Who should have access to the WPQR’S? a) NDT operators b) Inspectors only c) Welders only d) Welding Engineer

Last Answer : d) Welding Engineer

__________ column is the most suitable for achieving the best performance for mass transfer operations involving liquid with dispersed solids. (A) Wetted wall (B) Packed (C) Plate (D) Spray

Description : __________ column is the most suitable for achieving the best performance for mass transfer operations involving liquid with dispersed solids. (A) Wetted wall (B) Packed (C) Plate (D) Spray

Last Answer : C) Plate

Measurement of the interfacial area of mass transfer is achieved easily & accurately in case of a __________ column. (A) Spray (B) Packed (C) Bubble cap plate (D) Wetted wall

Description : Measurement of the interfacial area of mass transfer is achieved easily & accurately in case of a __________ column. (A) Spray (B) Packed (C) Bubble cap plate (D) Wetted wall

Last Answer : (D) Wetted wall

In arc welding, Argon is used because of its - (1) Low reactivity with metal (2) Ability to lower the melting point of the metal (3) High flammability (4) High calorific value

Description : In arc welding, Argon is used because of its - (1) Low reactivity with metal (2) Ability to lower the melting point of the metal (3) High flammability (4) High calorific value

Last Answer : (1) Low reactivity with metal Explanation: In arc welding, Argon is used as a shielding gas because it is chemically inert and forms no compounds. At the high temperatures that welding requires, the ... to brittle welds and instability in the welding arc. So,argon and other inert gases are sprayed.

In which case, molten metal is used to do welding? (i) Groove type (ii) spot type (iii) Plug type (iv) None

Description : In which case, molten metal is used to do welding? (i) Groove type (ii) spot type (iii) Plug type (iv) None

Last Answer : (iii) Plug type

The displacement reaction between iron (III) oxide and a metal X is used for welding the rail tracks. Here X is: (a) Copper granules (b) Magnesium ribbon (c) Sodium pellets (d) Aluminum dust

Description : The displacement reaction between iron (III) oxide and a metal X is used for welding the rail tracks. Here X is: (a) Copper granules (b) Magnesium ribbon (c) Sodium pellets (d) Aluminum dust

Last Answer : (d) Aluminum dust

Reaction of calcium carbide with water produces a gas, which is used (A) As an illuminant (B) For metal cutting/welding(C) Both (A) & (B)(D) Neither (A) nor (B)

Description : Reaction of calcium carbide with water produces a gas, which is used (A) As an illuminant (B) For metal cutting/welding (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B)

Pick up the incorrect statement (A) The cross-sectional area of the welded member is effective (B) A welded joint develops strength of its parent metal (C) Welded joints provide rigidity (D) Welding takes more time than riveting

Description : Pick up the incorrect statement (A) The cross-sectional area of the welded member is effective (B) A welded joint develops strength of its parent metal (C) Welded joints provide rigidity (D) Welding takes more time than riveting

Last Answer : (D) Welding takes more time than riveting

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

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