The second law of thermodynamics states that:
A) All objects contain some energy.
B) Heat travels from higher specific heat capacity to lower specific heat capacity.
C) The molecular energy band is directly proportional to the thermal activity of the molecule.
D) Heat travels from higher temperature to lower temperature.
D
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In which of the following fields do engineers work?
a. Design b. Sales c. Technical support d. Maintenance e. Customer service f. All of the above
The ratio of an object’s mass to its volume is
a. density b. specific volume c. specific gravity d. specific weight
In a 4S/4M ABS, which wheels have wheel speed sensors fitted?
A. steer axle left, steer axle right, forward drive axle right, forward drive axle left B. steer axle left, steer axle right, rear drive axle right, rear drive axle left C. steer axle left, steer axle right, forward drive axle right, rear drive axle right D. forward drive axle left, forward drive axle right, rear drive axle left, rear drive axle right
What kind of heat energy is the heat of compression?
A. Chemical B. Electrical C. Mechanical D. Nuclear