Which of the following precautions must be taken if an electric immersion heater is used to keep the coolant warm in a diesel engine when the engine...

Question

Which of the following precautions must be taken if an electric immersion heater is used to keep the coolant warm in a  diesel engine when the engine is secured?

Accepted Answer

Electrical power to the heater must be secured if the cooling system is to be drained.

Engine 2014: Motor Plants and Auxiliary Boilers

Which of the following precautions must be taken if an electric immersion heater is used to keep the coolant warm in a diesel engine when the engine is secured?

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