Nickel Is Electroplated from a NiSO₄ Solution

question 30

Multiple Choice

Nickel is electroplated from a NiSO₄ solution. A constant current of 4.74 amp is applied by an external power supply. How long will it take to deposit 1.66  10² g of Ni? (The atomic mass of Ni is 58.69 g/mol.)

• A) 16.0 h
• B) 32.0 h
• C) 1.00 h
• D) 19.2 min
• E) 48.0 h

---

Definitions:

Finishing Department

A section within a manufacturing operation where products undergo final processing, treatments, or coatings before being ready for sale.

Predetermined Overhead Rate

A rate used to allocate manufacturing overhead costs to products or job orders, based on a selected activity base, before the actual costs are known.

Machine-Hours

A measure of the amount of time a machine is operated, often used in costing and budgeting processes.

Forming Department

A production department specialized in shaping and assembling parts or materials into finished goods.