In the casting of steel under certain mold condition the mold constant – McqOptions

MCQOPTIONS

1.	In the casting of steel under certain mold condition the mold constant in Chvorinov s rule is known to be 4 min/cm2.The volume and the surface area of the casting plate is known to be 600cm3 and 760cm2 respectively. Calculate the solidification time?
A.	2.49Hr
B.	2.49min
C.	3.64min
D.	3.45min
Answer» C. 3.64min

Discussion

No Comment Found

Related MCQs

Which among the following is not an example of permanent mold casting?
Permanent Mold casting uses two molds that are designed for easy precise opening and closing. The materials behind the making the mold are_____________
Which among the following is not a part of electrode composition of stainless steel?
In the case of arc welding find the arc time, if the time for which the arc is switched on is given as 4hrs and the hours worked with that is given as 2hr?
Which among the process is used to create objects of a fixed cross sectional profile?
Which among the following is a property of warm working process?
Metal forming can be done in the cold working process. Which among the following is a disadvantage of this process compared to hot working?
In the casting of steel under certain mold condition the mold constant in Chvorinov s rule is known to be 4 min/cm2.The volume and the surface area of the casting plate is known to be 600cm3 and 760cm2 respectively. Calculate the solidification time?
The sprue feeds a horizontal runner leading into mold cavity whose volume is 1560cm3.Find the time required to fill the mold if the volumetric flow rate is given as 495cm2/sec?
A mold sprue is 20 cm long and the cross sectional area at its base is 2.5cm2. Calculate the velocity of the flowing metal at the base of the sprue?