Exam 10: Casting Processes and Materials

The property of sand to withstand the high temperature of the molten metal without fusing or breakdown is known as

Malleable castings are used for

Which of the following is not necessarily the characteristic of investment casting?

Which of the following is the anti-penetration material introduced in the moulding sand?

Providing more than adequate machining allowance

The contraction allowance for pattern depends on

The draft allowance to be provided on a pattern depends on

Tempering is generally done to reduce all of the following EXCEPT

Gated patterns are normally used for

Casting made in relatively simple shapes and designed for subsequent fabrication by rolling, forging etc. are known as

Chaplets are provided to

A casting process which can produce hollow cylinder without use of core is

For stress relieving, castings are

The advantage of centrifugal casting is

Which of the following is used as protective admixture in moulding sand for magnesium castings?

All of the following are non-destructive method of testing the castings EXCEPT

All of the following are boring tools EXCEPT

The advantage of oxygen enriched cupola is

For sterite refractory bricks are attacked by

Addition of nickel to cast iron increases