CSWIP 3.1 Multiple Choice Paper 11

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  1. Why is it essential to clean the excess weld metal on completion of the production weld?
  • So it can be ready for painting
  • To remove any rust
  • To ensure it is suitably clean for visual inspection and NDT
  • To remove slag from the undercut
  1. During root welding, which of the following would be the main cause of excess penetration?
  • The root gap is too small in accordance with WPS
  • Preheat not used
  • The current is too high
  • Root face is too large
  1. Which of the following would not be required to be checked before welding?
  • The welding consumable
  • The welder qualification
  • Calibration of the welding equipment
  • The workshop humidity
  1. Asymmetrical weld symbols to BS EN ISO 2553 are:
  • The same both sides of the arrow
  • Different each side of the arrow
  • Show fillet welds only
  • Show butt welds only
  1. What does the term WPS mean?
  • Weld productivity specification
  • Weld production scheme
  • Welding procedure specification
  • Work productivity standard
  1. An electrode is classified to BS EN ISO 2560 as E 35 3 B. What does 35 signify?
  • 350 N/mm2 yield strength
  • 35 Joules -300C
  • 35 N/mm2 tensile strength
  • 35 ksi tensile strength
  1. What does the term WPQR mean?
  • Weld productivity quality review
  • Weld productivity quality requirements
  • Welding procedure qualification record
  • Work production quantity review
  1. According to AWS 2.4, where does the symbol go for welding on the arrow side?
  • Below reference line
  • Above reference line
  • Depends on the joint
  • Always weld where the arrow is pointing
  1. What is the recommended minimum range of illumination required by BS EN ISO 17637 for inspection of a welded surface?
  • 90-125 lux
  • 150-250 lux
  • 350-500 lux
  • 35-50 lux
  1. The term manual welding is often used when the welder controls:
  • Arc length
  • Wire speed
  • Burn off rate
  • Transfer mode
  1. Who should have access to the WPQRs?
  • NDT operators
  • Inspectors only
  • Welders only
  • Welding engineer
  1. Is it permissible to allow a trainee welder to carry out production welding?
  • Never
  • Yes as long as the supervisor is happy with his workmanship standard
  • Yes as long as he has the approved qualification to cover the intended scopr of work
  • Yes as long as no NDT is required on the finished weld
  1. A procedure is a document which:
  • Specifies the way to carry out an activity or a process
  • Provides binding legistative rules that are adopted by an authority
  • Specifies which resources shall be applied by whom and when, to a specific project, product process or contract
  • A written and verbal description of the precise steps to be followed
  1. What information should be recorded as a minimum, on a completed production weld?
  • Size and type of electrode used
  • Welding supervisor’s name
  • Welder’s identification, date and weld number
  • Welding inspectors name
  1. Which BS EN standard is used for welding symbols on drawings?
  • BS EN 970
  • BS EN287
  • BS EN ISO 2553
  • BS EN 4515
  1. Who has the final responsibility of sentencing and accepting a weld on completion?
  • The contractor’s inspector
  • Site manager
  • The welder
  • The client’s inspector or certifying authority
  1. What is meant by the term duty cycle?
  • How long a welder can weld for in a given period
  • The amount of time the electrode is being used
  • The amount of time a welding machine can be used
  • The amount of electricity being consumed
  1. Which process uses a constant current characteristic?
  • MIG/MAG
  • MMA
  • FCAW
  • All processes use this
  1. Who determines what the correct weld preparation (root gap, root face, included angle) should be?
  • The welding engineer
  • The welding supervisor
  • The welder will decide
  • The inspector will recommend what is suitable
  1. The strength of a fillet weld is primary controlled by:
  • Leg length.
  • Design throat thickness.
  • Actual throat thickness.
  • All of the above.
  1. A document that is established by consensus and approved by a recognized body and provides, for common and repeated use, guidelines, rules, characteristics for activities or their results, aimed at the achievement of the optimum degree of order in a given context is called:
  • Normative document
  • Regulation
  • Specification
  • Standard
  1. While making a symbol for a symmetrical fillet weld
  • The size does not need not be mentioned
  • The length can be mentioned to the left of the symbol
  • The finish is assumed to be flat
  • The dashed line should be omitted
  1. Is it permissible to allow a single ‘V’ butt weld to cool down passes?
  • It is solely the decision of the welder
  • It depends on the requirement of the procedure and specifications
  • It is solely the decision of the welding inspector
  • No, all welds should be completed before dropping the temperature to ambient
  1. What is the problem with ‘restraint’ during welding?
  • It does not cause a problem
  • It may lead to cracking, especially with small welds between large components
  • It causes distortion
  • Restraint is term not used in relation to welding
  1. Which mechanical test can be used to make an assessment of surfacing breaking defects?
  • Bend test
  • Nick – break test
  • Macro test
  • None of the above
  • All of the above
  1. What is the purpose of a tensile test?
  • To assess tensile strength
  • To assess ductility
  • To assess yield strength
  • All of the above could be assessed
  1. When a metal returns to its original shape after an applied load has been removed, the metal is said to have:
  • Plasticity
  • Ductility
  • Elasticity
  • Malleability
  1. Fluctuating load is: cyclic stresses, below the UTS on a weld component may lead to:
  • Tensile failure
  • Yield failure
  • Fatigue failure
  • Shear failure
  1. Stress is equal to:
  • Stress
  • Load divided by cross – sectional area
  • Extension of gauge length divided by original gauge length
  • Toughness
  1. Strain is equal to:
  • Stress
  • Load divide by cross – sectional are
  • Extension of gauge length divided by the original gauge length
  • Toughness

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The strength of a fillet weld is primary controlled by:

Leg length.
Design throat thickness. -suppose this the answer
Actual throat thickness.
All of the above.