Mechanical Engineering MCQ with Answers
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Which type of MMA electrode gives the deepest penetration?
Which type of MMA electrode gives the deepest penetration?
Open 362What does the term ‘high frequency’ mean when referring to TIG welding
What does the term ‘high frequency’ mean when referring to TIG welding
Open 363Which 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 364A cruciform joint 15mm thick will have a combined thickness of
A cruciform joint 15mm thick will have a combined thickness of
Open 365The most important factor in the safe operation of welding equipment
The most important factor in the safe operation of welding equipment
Open 366The main reason for qualifying welding procedure is
The main reason for qualifying welding procedure is
Open 367Which 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 368For 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 369A 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?
Open 370Which shielding gas is commonly used for GMAW of a 20 mm thick low carbon steel?
Which shielding gas is commonly used for GMAW of a 20 mm thick low carbon steel?
Open 371Why PWHT is used?
Why PWHT is used?
Open 372Which of the following statements is not correct when referring to fully austenitic stainless steels?
Which of the following statements is not correct when referring to fully austenitic stainless steels?
Open 373In MIG/MAG solid wire welding uses which polarity?
In MIG/MAG solid wire welding uses which polarity?
Open 374Pinch effect gives
Pinch effect gives
Open 375An MMA electrode which is classified as an E7024 according to AWS is
An MMA electrode which is classified as an E7024 according to AWS is
Open 376In BS EN 287-1, an all positional qualification may be obtained by welding a pipe
In BS EN 287-1, an all positional qualification may be obtained by welding a pipe
Open 377An electrode is classified to BS EN 499 as E 353B. What does B mean
An electrode is classified to BS EN 499 as E 353B. What does B mean
Open 378A pipeline is to be laid across the country. Which of the following methods would normally be used to detect root defects?
A pipeline is to be laid across the country. Which of the following methods would normally be used to detect root defects?
Open 379Which material not required preheat?
Which material not required preheat?
Open 380A short transverse tensile test (as TRA Test) will give?
A short transverse tensile test (as TRA Test) will give?
Open 381Which of the following may lead to distorton?
Which of the following may lead to distorton?
Open 382Weldments in carbon manganese steels made using a higher than specified heat input may show:
Weldments in carbon manganese steels made using a higher than specified heat input may show:
Open 383How we precise the energy of XRays?
How we precise the energy of XRays?
Open 384Hard stamping of some pressure vessels materials may give cause
Hard stamping of some pressure vessels materials may give cause
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