Why Must Some Castings Be Repaired Without Pre- and Postheating

question 24

Multiple Choice

Why must some castings be repaired without pre- and postheating?

• A) They are large or have to be repaired in place.
• B) They are made of a type of cast iron that cannot be preheated because it is too soft.
• C) It would damage the paint job on the part.
• D) Cast iron repairs always require pre- and postheating.

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Definitions:

Pyelonephritis

A type of urinary tract infection that affects one or both kidneys, caused by bacteria that move from the bladder to the kidneys.

Autoimmune

A condition or disease in which the body's immune system attacks healthy cells.

Renal Pelvis

The internal structure of the kidney. Urine flows from the renal pelvis down the ureter.

Ureter

A tube that carries urine from the kidneys to the bladder.