The Time Required to Kill 90% of the Microorganisms or Spores

question 39

Multiple Choice

The time required to kill 90% of the microorganisms or spores in a sample at a specified temperature is the

• A)thermal death time (TDT).
• B)thermal death point (TDP).
• C)decimal reduction time (D value).
• D)z value.

---

Definitions:

Predetermined Overhead Rate

A rate used to allocate overhead costs to products or jobs, computed before the costs are incurred, based on estimated rather than actual costs.

Direct Labor-Hour

Direct labor-hour is a measure of the time workers spend on specific tasks directly involved in the production of goods.

Overapplied Overhead

A situation where the allocated overhead cost is more than the actual overhead cost incurred.

Underapplied Manufacturing Overhead

A situation where the actual manufacturing overhead costs are greater than the allocated overhead costs.