Engine 2014: Motor Plants and Auxiliary Boilers

1. A The valve should normally begin to open at 1/2 the popping pressure
2. B The needle valve spring should always be removed first before testing
3. C The needle valve should remain open after the nozzle pops open
4. D A serious hazard of blood poisoning exists if the fuel spray penetrates the skin of the operator

Tip: press A-D to answer