Mechanical Engineering MCQ with Answers
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Using a stabilized stainless steel will reduce the risk of:
Using a stabilized stainless steel will reduce the risk of:
Open 338Standard oxy-fuel gas cutting equipment can be applied to:
Standard oxy-fuel gas cutting equipment can be applied to:
Open 339Which 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 340Which polarity is normally used for TIG Welding of aluminum?
Which polarity is normally used for TIG Welding of aluminum?
Open 341Weldments 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 342The output characteristics of a typical MIG/MAG set is:
The output characteristics of a typical MIG/MAG set is:
Open 343Which of the following standards is concerned with welder approval?
Which of the following standards is concerned with welder approval?
Open 344A 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 345A steel designated as 'Z' quality will have:
A steel designated as 'Z' quality will have:
Open 346Which 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 347Laminations in metal are caused during which of the following?
Laminations in metal are caused during which of the following?
Open 348In MIG/MAG Welding, wire feed speed is proportional to:
In MIG/MAG Welding, wire feed speed is proportional to:
Open 349A typical temperature for normalizing carbon manganese steel is:
A typical temperature for normalizing carbon manganese steel is:
Open 350From 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 351A 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...
Open 352Which welding parameter has the greatest influence on heat input?
Which welding parameter has the greatest influence on heat input?
Open 353A fillet weld has a design throat thickness of 8 mm. What is the minimum leg length that is required?
A fillet weld has a design throat thickness of 8 mm. What is the minimum leg length that is required?
Open 354In a martensite grain structure, which of the following mechanical properties would be increased?
In a martensite grain structure, which of the following mechanical properties would be increased?
Open 355Which of the following alloying elements is used to improve the toughness of steel?
Which of the following alloying elements is used to improve the toughness of steel?
Open 356For MIG/MAG Welding, wire feed speed is proportional to:
For MIG/MAG Welding, wire feed speed is proportional to:
Open 357A typical temperature for stress relieving carbon-manganese steel weldments is:
A typical temperature for stress relieving carbon-manganese steel weldments is:
Open 358A brittle fracture can be identified (from examination of the fracture faces) by:
A brittle fracture can be identified (from examination of the fracture faces) by:
Open 359Which of the following statements about lamellar tearing is correct ?
Which of the following statements about lamellar tearing is correct ?
Open 360When all weld imperfections have been located, it is mandatory that:
When all weld imperfections have been located, it is mandatory that:
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