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Question: 1 / 265
The use of a reservoir on the sprue of a wax pattern decreases?
Melting time
Casting porosity during solidification
Choosing A is not the correct answer because the use of a reservoir on the sprue of a wax pattern does not affect the melting time. The reservoir is used during the casting process, not the melting process.
Choosing C is not the correct answer because the use of a reservoir on the sprue of a wax pattern does not impact its strength. The strength of a wax pattern is primarily determined by the quality of the wax and the design of the mold.
Choosing D is not the correct answer because the use of a reservoir on the sprue of a wax pattern does not impact the cooling time. The reservoir is used to improve the quality of the casting, not the speed of the cooling process.
The correct answer is B because using a reservoir on the sprue of a wax pattern helps to reduce the formation of gas bubbles during the solidification process, which can lead to porosity in the final
Get further explanation with Examzify DeepDiveBetaWax pattern strength
Cooling time