Mechanical Engineering MCQ with Answers
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Post heating of weld joints is carried out in order to
Post heating of weld joints is carried out in order to
Open 410In oxy fuel cutting when cutting thin metals which fuel is used
In oxy fuel cutting when cutting thin metals which fuel is used
Open 411Which polarity is normally used for TIG welding of stainless steel?
Which polarity is normally used for TIG welding of stainless steel?
Open 412CEV of C-Mn
CEV of C-Mn
Open 413Ar-N2 is used for welding
Ar-N2 is used for welding
Open 414Cast and helix related to
Cast and helix related to
Open 415What is the greatest advantage of radiographic inspection over ultrasonic inspection?
What is the greatest advantage of radiographic inspection over ultrasonic inspection?
Open 416The most common reason why finish grinding of a butt weld is specified to be an application standard is to:
The most common reason why finish grinding of a butt weld is specified to be an application standard is to:
Open 417A welder’s qualification certificate issued to BS EN 287 or ASME IX may have to be withdrawn if
A welder’s qualification certificate issued to BS EN 287 or ASME IX may have to be withdrawn if
Open 418For TIG welding austenitic stainless steel there is a requirement for a high standard of cleanliness. What is the main reason for this?
For TIG welding austenitic stainless steel there is a requirement for a high standard of cleanliness. What is the main reason for this?
Open 419Side bend tests for butt weld joints are
Side bend tests for butt weld joints are
Open 420Which of the following is an effective way of reducing residual stresses caused by welding?
Which of the following is an effective way of reducing residual stresses caused by welding?
Open 421Electrodes designated E46 4 B (to BS EN 499) have been left out overnight on the workbench in a fabrication workshop. What is the best course of action?
Electrodes designated E46 4 B (to BS EN 499) have been left out overnight on the workbench in a fabrication workshop. What is the best course of...
Open 422For SAW which of the following has most effect on the finished profile?
For SAW which of the following has most effect on the finished profile?
Open 423The strength of a fillet weld is controlled by
The strength of a fillet weld is controlled by
Open 424Changing a welding procedure ‘essential’ variable beyond the specified limits during production welding will require
Changing a welding procedure ‘essential’ variable beyond the specified limits during production welding will require
Open 425Steels that have good toughness at very low temperature are alloyed with
Steels that have good toughness at very low temperature are alloyed with
Open 426The main purpose of a ‘slope in’ control in TIG welding is to
The main purpose of a ‘slope in’ control in TIG welding is to
Open 427On welding quenched and tempered steels which of the following would increase the risk of weld HAZ cracking?
On welding quenched and tempered steels which of the following would increase the risk of weld HAZ cracking?
Open 428A fusible insert (or consumable insert) is:
A fusible insert (or consumable insert) is:
Open 429For a multi weld, the interpass temperature is the temperature in the region of the weld:
For a multi weld, the interpass temperature is the temperature in the region of the weld:
Open 430The back step method of welding is used to control:
The back step method of welding is used to control:
Open 431When monitoring production welding, which of the following is the most important reference document for a welding inspector:
When monitoring production welding, which of the following is the most important reference document for a welding inspector:
Open 432Which of the following process will give the lowest level of hydrogen?
Which of the following process will give the lowest level of hydrogen?
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