Engine 2014: Motor Plants and Auxiliary Boilers

1. A The diesel oil must never be allowed to mix with the heavy fuel.
2. B The temperature of the fuel from the preheater should be gradually reduced after switching over the three-way valve.
3. C The heating steam to the preheater should be increased  as soon as the diesel fuel passes through the three-way valve.
4. D The heating steam must be secured before the diesel oil passes through the three-way valve.

Tip: press A-D to answer