Mechanical Engineering MCQ with Answers
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Reference to any inspection hold point during manufacture will be contained within the?
Reference to any inspection hold point during manufacture will be contained within the?
Open 218The welders have increased the electrode stickout length of the SAW set, what would be the effect on the weld?
The welders have increased the electrode stickout length of the SAW set, what would be the effect on the weld?
Open 219Why is the OCV capped at a certain level?
Why is the OCV capped at a certain level?
Open 220When would you measure the maximum interpass temperature?
When would you measure the maximum interpass temperature?
Open 221The welders have increased the voltage on the SAW set. What would be the effect on the weld appearance?
The welders have increased the voltage on the SAW set. What would be the effect on the weld appearance?
Open 222You notice that a welder is using an unapproved WPS for production tack welding carbon steel, what action would you take?
You notice that a welder is using an unapproved WPS for production tack welding carbon steel, what action would you take?
Open 223You notice that the welders are adjusting the current on the welding set, is this allowable?
You notice that the welders are adjusting the current on the welding set, is this allowable?
Open 224During root welding, which of the following would be the main cause of burn through?
During root welding, which of the following would be the main cause of burn through?
Open 225What information should be recorded as a minimum on a completed production weld?
What information should be recorded as a minimum on a completed production weld?
Open 226Voltage and amperage meters have been removed from MIG/MAG (GMAW) equipment making calibration invalid, the equipment should be:
Voltage and amperage meters have been removed from MIG/MAG (GMAW) equipment making calibration invalid, the equipment should be:
Open 227You find several unacceptable welds and reject them, the welding supervisor insists they are acceptable, he signs them off and requests NDT, what action would you take?
You find several unacceptable welds and reject them, the welding supervisor insists they are acceptable, he signs them off and requests NDT, what...
Open 228Why is it essential to clean the surrounding parent metal adjacent to the weld metal made by MMA (SMAW) which is to be ultrasonically tested?
Why is it essential to clean the surrounding parent metal adjacent to the weld metal made by MMA (SMAW) which is to be ultrasonically tested?
Open 229To assess the surfaces of a weld for direct inspection, the distance from the surface to the eye should be a maximum of?
To assess the surfaces of a weld for direct inspection, the distance from the surface to the eye should be a maximum of?
Open 230Who should select the specific welds for NDT to cover the 10% contractual percentage required by the specification/Code?
Who should select the specific welds for NDT to cover the 10% contractual percentage required by the specification/Code?
Open 231Who has the responsibility of ensuring the welder is using the correct polarity during welding?
Who has the responsibility of ensuring the welder is using the correct polarity during welding?
Open 232In a welding procedure transverse joint tensile test the following observations were made. The specimen CSA was recorded as 30 mm X 20mm and the maximum load applied was recorded a
In a welding procedure transverse joint tensile test the following observations were made. The specimen CSA was recorded as 30 mm X 20mm and the...
Open 233Charpy impact tests showing a rough torn surface after the completed test would indicate which type of failure?
Charpy impact tests showing a rough torn surface after the completed test would indicate which type of failure?
Open 234Which of the following is NOT a quantitative test?
Which of the following is NOT a quantitative test?
Open 235When 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 236In 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 237Which 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 238In 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 239An STRA test is carried out to determine which of the following?
An STRA test is carried out to determine which of the following?
Open 240Charpy 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...
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