Casting Venting Moulds Online Exam Quiz
Casting Venting Moulds GK Quiz. Question and Answers related to Casting Venting Moulds. MCQ (Multiple Choice Questions with answers about Casting Venting Moulds
Which of the following effects is the effect caused by the ignition of oxygen due to high pressure and temperature of melt?
Options
A : Otto effect
B : Dual effect
C : Diesel effect
D : Rankine effect
High viscosity of molten metal can help in removing of gases but will cause defects in the casting.
Options
A : True
B : False
C :
D :
Improper venting during moulding process causes a diesel effect which further results in stress crack defects in the casting.
Options
A : True
B : False
C :
D :
In the injection moulding process, an overflow system is used for the venting process.
Options
A : True
B : False
C :
D :
In the injection moulding process, venting at the runner side can reduce the air pressure.
Options
A : True
B : False
C :
D :
Porous sintered materials can be inserted into the mould cavity to act as a vent.
Options
A : True
B : False
C :
D :
For proper venting, the pouring time is increased which allow easy escape out of gases from the mould without inducing any defects.
Options
A : True
B : False
C :
D :
For the venting process, the casting yield is generally high with the overflow system in the mould.
Options
A : True
B : False
C :
D :
Vacuum technology for venting process is very economical and widely used in the casting process.
Options
A : True
B : False
C :
D :
Venting is a process which allows molten metal to compensate for its liquid and solidification shrinkage.
Options
A : True
B : False
C :
D :