Which unit below is not in the System International (SI) of units?
A. Unit of length is the meter (m) ,
B. The force unit is the pound (lb),
C. The time unit is the second (s),
D. The temperature unit is the kelvin (K).
查看答案
Eutectic alloys solidify similar to pure metals.
Sand casting have poor dimensional accuracy and surface finish.
Disadvantages for different casting processes is that they don’t have Limitations on mechanical properties.
Sand casting can create complex part geometries that can not be made by any other process.