1. Your plating bath is operated at 130 °F. You are plating a small rod that is 12.0 inches long and has a diameter of 1.0 inch. What amperage setting should you use for optimal brightness?

a. 58 amps
b. 113 amps
c. 168 amps
d. 312 amps

2. Your plating bath is operated at 140 °F. You are plating a shaft that is 32.0 inches long and has a diameter of 2.5 inches. What amperage setting should you use for optimal brightness?

a. 425 amps
b. 575 amps
c. 801 amps
d. 929 amps

3. You were just given a piston made of 1040 steel to chrome plate. The plated area surface is 4 feet long and it has a required finish diameter of 3.000 inches. The piston diameter will be ground to 2.988 inches before plating. If your grinder requires 10 mils thick for grind stock, how many mils thick should the deposit be after plating?

a. 8
b. 24
c. 16
d. 12

4. Refer to question #3. You are making a holding fixture from 2024 (untempered) aluminum rod to hold the piston during plating. What is the minimum cross sectional area of the aluminum rod needed to plate the piston at 3 APSI?

a. 1.0 in²
b. 2.7 in²
c. 5.2 in²
d. 7.8 in²

5. Refer to questions #3 and #4. If you make the holding fixture from 6061 T4 aluminum rod. What is the minimum cross sectional area of the aluminum rod needed to plate the piston at 3.5 APSI?

a. 3.2 in²
b. 4.0 in²
c. 5.0 in²
d. 5.5 in²

6. You are plating the ID of a 2.5 ft. long tube with an inside diameter of 3.75 inches made of 1040 steel and using a conforming anode with an anode to cathode distance of 0.75 inches. How long of a reverse etch cycle is needed?

a. 1 min 30 sec
b. 1 min
c. 3 min
d. 2 min 30 sec

7. Refer to question 6. Your bath temperature is 135 °F. During plating, what amperage setting should you use for optimal brightness?

a. 636 amps
b. 977 amps
c. 1,236 amps
d. 1,789 amps

8. When is it appropriate to start a plating cycle with an amperage "strike"? Check all that apply.

a. when plating chrome on chrome
b. when plating on stainless steel
c. after zincating a part
d. to throw into a recessed area

9. Which base metals should not be reverse etched in chromic acid? Check all that apply.

a. 1132 steel
b. 310 stainless steel
c. 403 stainless steel
d. 4028 alloy steel

10. You are plating a shaft that is 0.010 inches undersized that requires 6 mils on the diameter for grind. You are using stick anodes and plating at 3.0 APSI in a 130 oF bath. What is the maximum plating time you would expect to need?

a. 6 hours
b. 10 hours
c. 16 hours
d. 1 day and 4 hours

11. You are asked to deposit a chrome thickness of 300 microns. Your plating rate is 1 mil per hour. How many hours will it take to plate the part?