Question

which clean care approach should not be adopted by a technician sealing off any type of hose or pipe opening? steel caps shop rags plastic caps duct tape 22 multiple choice 1 point electric vehicle battery voltages within commercial vehicles range between 850 and ____ volts. 1750 1500 1200 1000 23 multiple - choice 1 point when properly treated, ammonia from the exhaust system will be reduced to harmless water and ____. hydrogen nitrogen oxygen helium

Explanation:

1. For the first question, shop - rags can leave fibers and debris inside the hose or pipe, causing blockages or damage, so they should not be used for sealing. Steel caps, plastic caps, and duct tape are more appropriate as they create a clean and debris - free seal.
2. For the second question, electric vehicle battery voltages in commercial vehicles typically range between 850 and 1750 volts.
3. For the third question, when properly treated, ammonia from the exhaust system is reduced to harmless water and nitrogen through chemical reactions in exhaust treatment systems.

Answer:

1. B. Shop rags
2. A. 1750
3. B. Nitrogen