In_casting_system,_the_riser_is_generally_placed_at_the_heaviest_secti – McqOptions

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1.	In_casting_system,_the_riser_is_generally_placed_at_the_heaviest_section_to_avoid_defects_from_the_casting.$
A.	True
B.	False
Answer» B. False

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In casting system, the riser is generally placed at the heaviest section to avoid defects from the casting.
It is always desirable to have a large volume of molten metal in the riser to make casting products.
The allowable thermal gradient generally depends on the shape and size of a cross-section of the casting.
The presence of chills in the mould does not have any affects on the riser mechanism.
IT_IS_ALWAYS_DESIRABLE_TO_HAVE_LARGE_VOLUME_OF_MOLTEN_METAL_IN_THE_RISER_TO_MAKE_CASTING_PRODUCTS.?$
In_casting_system,_the_riser_is_generally_placed_at_the_heaviest_section_to_avoid_defects_from_the_casting.$
The allowable thermal gradient generally depends on the shape and size of cross-section of the casting?
Which of the following formulas is used for the calculation of shape factor for complex casting in risering system?
A large size of riser should be placed on the casting system to compensate the solid shrinkage of the casting.
Placing of riser at the correct location is necessary to feed the melt to the desired locations within the casting.