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Questions · Q14

Q.What is material loss? Explain its types — waste, scrap, spoilage and defectives.

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Material loss is the difference between the quantity of material put into a process (input) and the quantity of good output obtained from it, arising through waste, scrap, spoilage or defectives during handling, storage or processing.

Types of material loss:

  1. Waste — the portion of material lost in processing that has NO recoverable/sale value (or even costs money to dispose of). It may be visible (gases, dust, evaporation) or invisible (shrinkage). Normal waste is absorbed into the cost of good output; abnormal waste is charged to the Costing Profit & Loss Account.
  2. Scrap — the residue arising incidentally in processing that has a small but definite recoverable/sale value, e.g. metal turnings, off-cuts, trimmings. The sale value of normal scrap is credited to reduce the cost of production.
  3. Spoilage — units so badly damaged in processing that they cannot be rectified and are sold or disposed of as they are, at a low value. Normal spoilage cost is borne by good output; abnormal spoilage is transferred to the Costing Profit & Loss Account.
  4. Defectives — units that fall short of the required standard but which CAN be brought up to standard by incurring extra rectification cost. Normal rectification cost is absorbed into production cost; abnormal is charged to Costing Profit & Loss Account.
TypeRecoverable valueCan it be rectified?
WasteNil (may cost to dispose)No
ScrapSmall, definite sale valueNo (sold as residue)
SpoilageLow disposal/sale valueNo (sold/disposed as spoiled)
Defectives—Yes — re-worked to standard at extra cost

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