Question

A casting defect which occurs due to improper venting of sand is known as

a.

cold shuts

b.

blow holes

c.

shift

d.

swell

Posted under Mechanical Engineering

Answer: (b).blow holes

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. A casting defect which occurs due to improper venting of sand is known as

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. Swab is used for

Q. The temperature of the inner luminous cone of neutral flame is about

Q. The metal patterns as compared to wooden patterns require less

Q. In blanking operation, the clearance is provided on

Q. In piercing operation, the clearance is provided on

Q. If an aluminium pattern made from a wooden master pattern is to be used for grey iron castings, then the shrinkage allowance allowed on the wooden pattern should be

Q. For arc welding

Q. When the file is moved to and fro over the work, it is known as

Q. The hot working of metals is carried out

Q. In a four high rolling mill, the diameter of backing up rolls is __________ the diameter of working rolls.

Q. The welding process used to join the ends of two pipes of uniform cross-section, is

Q. When the molten metal is fed in the cavity of a metallic mould by gravity, the method of casting is known as

Q. Hot piercing is extensively used for making bolts and nuts.

Q. For gas welding, the pressure desired at the welding torch for oxygen is

Q. Seam weiding is a

Q. In a simple die

Q. The operation of producing cup shaped parts from flat sheet metal blanks by bending and plastic flow of metal, is known as

Q. When more volume of acetylene and less volume of oxygen is supplied, then a __________ flame is obtained.

Q. The instrument used to measure external and internal diameter of shafts, thickness of parts and depth of holes, is

Q. The punch and die set up is __________ for punching and piercing operation.

Recommended Subjects

Are you eager to expand your knowledge beyond Mechanical Engineering? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!