Mechanical Engineering MCQ with Answers
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When transverse tensile testing a welded joint excess weld metal is often removed. This action is done to:
When transverse tensile testing a welded joint excess weld metal is often removed. This action is done to:
Open 218In an all weld tensile test, the original specimen gauge length was 50 mm and after the test the increased gauge length was 65 mm. What is the elongation percentage?
In an all weld tensile test, the original specimen gauge length was 50 mm and after the test the increased gauge length was 65 mm. What is the el...
Open 219Which of the following information should the welding inspector enter on an electrode vacuum pack at the point of breaking the vacuum?
Which of the following information should the welding inspector enter on an electrode vacuum pack at the point of breaking the vacuum?
Open 220In welder qualification testing of 10 mm plates, 2 root and 2 face bends were tested. 1 root bend failed what course of action would you follow?
In welder qualification testing of 10 mm plates, 2 root and 2 face bends were tested. 1 root bend failed what course of action would you follow?
Open 221An STRA test is carried out to determine which of the following?
An STRA test is carried out to determine which of the following?
Open 222Charpy impact test shows a 50% rough torn surface and a 50% flat crystalline surface after completed test, this would indicate which type of failure?
Charpy impact test shows a 50% rough torn surface and a 50% flat crystalline surface after completed test, this would indicate which type of fail...
Open 223Which of the following defects are unlikely to be detected by normal radiographic techniques?
Which of the following defects are unlikely to be detected by normal radiographic techniques?
Open 224In which of the following modes of transfer is inductance usually a variable parameter in solid wire MAG welding (135)?
In which of the following modes of transfer is inductance usually a variable parameter in solid wire MAG welding (135)?
Open 225A disadvantage of the MIG/MAG (131/135) spray transfer condition is that it:
A disadvantage of the MIG/MAG (131/135) spray transfer condition is that it:
Open 226An advantage of the MMA (111) welding process is that it:
An advantage of the MMA (111) welding process is that it:
Open 227Which of the following inspection points is most critical in affecting arc conditions during the spray transfer MAG welding (135) process?
Which of the following inspection points is most critical in affecting arc conditions during the spray transfer MAG welding (135) process?
Open 228Due to the high heating effect in the electrode when TIG welding (141) with AC, it is important that a tungsten electrode used for AC welding is:
Due to the high heating effect in the electrode when TIG welding (141) with AC, it is important that a tungsten electrode used for AC welding is:
Open 229When welding vertically up with the MMA process, welding is sometimes restricted to 2.5 times electrode diameter, this restriction is mainly applied to:
When welding vertically up with the MMA process, welding is sometimes restricted to 2.5 times electrode diameter, this restriction is mainly appl...
Open 230Who should have access to the WPQRs?
Who should have access to the WPQRs?
Open 231An advantage of the SAW process is that:
An advantage of the SAW process is that:
Open 232A typical minimum OCV requirement for MMA (111) using either rutile or cellulosic electrodes would be:
A typical minimum OCV requirement for MMA (111) using either rutile or cellulosic electrodes would be:
Open 233A typical minimum OCV requirement for MMA (111) using basic electrodes would be:
A typical minimum OCV requirement for MMA (111) using basic electrodes would be:
Open 234A high level of surface cleaning is important prior to Penetrant testing in order to:
A high level of surface cleaning is important prior to Penetrant testing in order to:
Open 235Which of the following is considered the main limitation of the radiographic method of NDT?
Which of the following is considered the main limitation of the radiographic method of NDT?
Open 236For which of the following types of NDT does the term 'probe' relate?
For which of the following types of NDT does the term 'probe' relate?
Open 237A restriction of the MPI method of NDT testing is that it can:
A restriction of the MPI method of NDT testing is that it can:
Open 238Which of the following would be most unlikely to be found in a butt welded butt joint using the conventional radiographic method of NDT?
Which of the following would be most unlikely to be found in a butt welded butt joint using the conventional radiographic method of NDT?
Open 239Which of the following is a disadvantage of the radiographic method of NDT?
Which of the following is a disadvantage of the radiographic method of NDT?
Open 240An AC yoke is a device used in which NDT technique?
An AC yoke is a device used in which NDT technique?
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