Mechanical Engineering MCQ with Answers
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Which of the following is non-magnetic?
Which of the following is non-magnetic?
Open 362For some welding applications, the weave width of the weld beads is restricted. This is because wide weave widths may give?
For some welding applications, the weave width of the weld beads is restricted. This is because wide weave widths may give?
Open 363Centerline cracking of butt welds, made using high current MIG/MAG welding, may result from
Centerline cracking of butt welds, made using high current MIG/MAG welding, may result from
Open 364The term “transition temperature” is associated with:
The term “transition temperature” is associated with:
Open 365The use of degreasing solvent, for cleaning a joint prior to welding, may be an unsafe practice because:
The use of degreasing solvent, for cleaning a joint prior to welding, may be an unsafe practice because:
Open 366An austenitic stainless steel, such as 316L has
An austenitic stainless steel, such as 316L has
Open 367An electrode is classified to BS EN ISO 2560 as E35 3B. What does B mean?
An electrode is classified to BS EN ISO 2560 as E35 3B. What does B mean?
Open 368Which of the following is NOT an essential variable for WPQ?
Which of the following is NOT an essential variable for WPQ?
Open 369For submerged Arc welding, increasing the arc voltage will give
For submerged Arc welding, increasing the arc voltage will give
Open 370What does the term back-step refer to during welding
What does the term back-step refer to during welding
Open 371For MMA welding arc voltage is controlled by
For MMA welding arc voltage is controlled by
Open 372Which of the statements is correct?
Which of the statements is correct?
Open 373When doing visual inspection which of the following is not required?
When doing visual inspection which of the following is not required?
Open 374Which factor will prevent lack of root penetration?
Which factor will prevent lack of root penetration?
Open 375As the output energy of an X-ray set is increased
As the output energy of an X-ray set is increased
Open 376Which type of MMA electrode gives the deepest penetration?
Which type of MMA electrode gives the deepest penetration?
Open 377What does the term ‘high frequency’ mean when referring to TIG welding
What does the term ‘high frequency’ mean when referring to TIG welding
Open 378Which of the following types of destructive test is sometimes used for welder qualification testing?
Which of the following types of destructive test is sometimes used for welder qualification testing?
Open 379A cruciform joint 15mm thick will have a combined thickness of
A cruciform joint 15mm thick will have a combined thickness of
Open 380The most important factor in the safe operation of welding equipment
The most important factor in the safe operation of welding equipment
Open 381The main reason for qualifying welding procedure is
The main reason for qualifying welding procedure is
Open 382Which of the following welding processes would not be suitable for welding carbon steels?
Which of the following welding processes would not be suitable for welding carbon steels?
Open 383For cross country pipelines, which type of MMA electrode requires the use of a hot pass technique to reduce the risk of cracking?
For cross country pipelines, which type of MMA electrode requires the use of a hot pass technique to reduce the risk of cracking?
Open 384A weld joint that is to be subjected to ultrasonic testing usually requires?
A weld joint that is to be subjected to ultrasonic testing usually requires?
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