What is natural convection? How does it differ from forced convection? What force causes natural convection currents?
What will be an ideal response?
Natural convection is the mode of heat transfer that occurs between a solid and a fluid which moves under the influence of natural means. Natural convection differs from forced convection in that fluid motion in natural convection is caused by natural effects such as buoyancy.
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Which of the following types of engine brake uses hydraulic retarding?
A. Jacobs internal brakes B. Mack Trucks Dynatard C. Caterpillar BrakeSaver D. PacBrake
What are the two main reasons interceptors are required to capture unwanted materials from entering the drainage system?
What will be an ideal response?
Which is greater?
a. 1 kilometer b. 1 mile
If the engine is not running, technician A says that the high-voltage circuits are depowered. Technician B says that all high voltage wiring is orange in color. Which technician is correct?
A) Technician A B) Technician B C) Both Technicians D) Neither Technician