Mechanical Engineering MCQ with Answers
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Who has the responsibility of ensuring the welder is using correct polarity during welding?
Who has the responsibility of ensuring the welder is using correct polarity during welding?
Open 314When would you measure the minimum preheat temperature?
When would you measure the minimum preheat temperature?
Open 315What is the width-depth ratio to prevent solidification crack?
What is the width-depth ratio to prevent solidification crack?
Open 316A electrode is classified to BS EN 499 as E 35 3 B. What does 35 mean?
A electrode is classified to BS EN 499 as E 35 3 B. What does 35 mean?
Open 317Large diameter pipe with a wall thickness of 10 mm is to be used for a cross-country pipeline. Which electrode type could be used to combine high welding speed and deep penetration
Large diameter pipe with a wall thickness of 10 mm is to be used for a cross-country pipeline. Which electrode type could be used to combine high...
Open 318Which NDT method is associated with the use of a yoke?
Which NDT method is associated with the use of a yoke?
Open 319A transverse tensile test piece will give:
A transverse tensile test piece will give:
Open 320Weldments in carbon manganese steels, made by low heat input welding, may show:
Weldments in carbon manganese steels, made by low heat input welding, may show:
Open 321When measuring arc voltage where should the measuring instrument be connected?
When measuring arc voltage where should the measuring instrument be connected?
Open 322Using a stabilized stainless steel will reduce the risk of:
Using a stabilized stainless steel will reduce the risk of:
Open 323Standard oxy-fuel gas cutting equipment can be applied to:
Standard oxy-fuel gas cutting equipment can be applied to:
Open 324Which of the following types of imperfection is generally considered to be the most serious?
Which of the following types of imperfection is generally considered to be the most serious?
Open 325Which polarity is normally used for TIG Welding of aluminum?
Which polarity is normally used for TIG Welding of aluminum?
Open 326Weldments in carbon manganese steels, made using a heat input higher than the maximum specified by:
Weldments in carbon manganese steels, made using a heat input higher than the maximum specified by:
Open 327The output characteristics of a typical MIG/MAG set is:
The output characteristics of a typical MIG/MAG set is:
Open 328Which of the following standards is concerned with welder approval?
Which of the following standards is concerned with welder approval?
Open 329A long centerline crack has been detected in a submerged arc weld bead
A long centerline crack has been detected in a submerged arc weld bead
Open 330A steel designated as 'Z' quality will have:
A steel designated as 'Z' quality will have:
Open 331Which of the following MMA electrode types is generally only suitable for welding in the PA & PB positions?
Which of the following MMA electrode types is generally only suitable for welding in the PA & PB positions?
Open 332Laminations in metal are caused during which of the following?
Laminations in metal are caused during which of the following?
Open 333In MIG/MAG Welding, wire feed speed is proportional to:
In MIG/MAG Welding, wire feed speed is proportional to:
Open 334A typical temperature for normalizing carbon manganese steel is:
A typical temperature for normalizing carbon manganese steel is:
Open 335From examination of the fracture faces, a ductile failure can be identified by:
From examination of the fracture faces, a ductile failure can be identified by:
Open 336A code gives the acceptance standard for excess weld metal “h” as h > 1 mm + 0.1b, max. 5 mm; where “b” is the width of the weld cap. For which of the following situations is the e
A code gives the acceptance standard for excess weld metal “h” as h > 1 mm + 0.1b, max. 5 mm; where “b” is the width of the weld cap. For which o...
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