Question 74Motor Plants - QMED70% to pass
An electric heater built into some smaller diesel engines is used to _______________.
AI Explanation
The correct answer is B) increase jacket water temperature for easier starting in cold weather.
The electric heater built into some smaller diesel engines is used to increase the jacket water temperature for easier starting in cold weather. This helps the engine warm up more quickly, reducing the amount of cranking required to start the engine in cold conditions. Increasing the jacket water temperature facilitates the engine's warm-up process, making it easier to start the engine, especially in cold environments.
The other options are incorrect because: A) increasing air inlet temperature is not the primary purpose of the electric heater, C) the electric heater does not directly increase the compression ratio, and D) raising lube oil viscosity is not the main function of the electric heater in this context.
Related Questions
#72 In a diesel engine closed fresh water cooling system employing a radiator, proper water temperature can be obtained by_______________.#73 What would be considered a normal temperature increase between the inlet and outlet jacket cooling water of a medium or high-speed diesel engine operating at normal load? #75 According to the illustrated diesel engine cooling water systems diagram, what fluid is the low temperature central fresh water thermostat designed to maintain? Illustration MO-0129 #76 According to the illustrated diesel engine cooling water systems diagram, what is the functional description of the low temperature central fresh water thermostat? Illustration MO-0129 #77 Which of the following problems could develop due to the accumulation of oil vapors in the crankcase of a diesel engine?