Casting

Below is disadvantages of casting except:

• Dimensional accuracy

• Safety hazard

• Limited mechanical properties

• High in cost

The bottom part of the casting mold is called:

• Cope

• Drag

• Flask

• Riser

Expendable mold processes involve destroying the mold after casting process.

• True

• False

For mass production, the best process to be used is :

• Expendable mold processes

• Permanent mold processes

• Sand casting mold processes

• Clay casting mold processes

Below are the heat type in casting except:

• Heat to raise temperature to melting point

• Heat of fusion to convert from solid to liquid

• Heat to raise molten metal to desired temperature for pouring

• Heat to boil the molten metal till evaporate

The success of pouring depend on:

• Pouring rate

• Pouring temperature

• Pouring direction

• Turbulence

Sum of the energies (head, pressure, kinetic, frictional) at any two points in a flowing liquid are equal - this statement is true for :

• Law of Continuity

• Bernoulli's Theorem

• Kinetic Theorem

• Frictional Law

This spiral mold is used for:

• Measuring fluidity

• Measuring turbulence

• Measuring heat

• Measuring pouring rate

This equation is true for :

• Bernoulli Theorem

• Chvorinov's Rule

• Rule of Mixture

• Total time for pouring

Which of the answer below is NOT a type of shrinkage in casting?

• Liquid Contraction

• Solidification Shrinkage

• Thermal Contraction

• Thermal Reduction