What is the primary function of diesel engines in DOE facilities?

• To provide lighting to the facilities

• To supply mechanical power for various operations

• To enhance the interior design of the facilities

• To monitor and control facility temperatures

Which of the following is NOT listed as a type of prime mover available at DOE facilities?

• Gasoline engines

• Nuclear reactors

• Steam and gas turbines

• Diesel engines

What is a key characteristic of diesel engines compared to other prime movers?

• Less reliable

• More expensive

• Fuel efficient and extremely reliable

• High energy consumption

What should be consulted for specific information on a particular diesel engine?

• The DOE's general manual

• The vendor's manual

• Internet forums

• General engineering textbooks

IDENTIFY the part labeled as 'f' in a diesel engine diagram.

• Piston/rod

• Cylinder

• Blower

• Exhaust ports or valve(s)

Who first applied the principles proposed by Sadi Carnot into a patented cycle or method of combustion known as the "diesel" cycle?

• Adolphus Bush

• Dr. Rudolf Diesel

• Sadi Carnot

• None of the above

What was the compression pressure used in Dr. Diesel's first engine that ran on coal dust?

• 550 psi

• 1500 psi

• 1000 psi

• 2000 psi

Which of the following is NOT a characteristic of diesel engines compared to gasoline engines?

• Diesel engines operate with higher combustion pressures.

• Diesel engines are typically lighter due to the materials used.

• Both engines are internal combustion engines.

• Diesel engines are driven by pistons moving laterally in two directions.

What significant modification did Dr. Diesel add to his engine design to lower the compression pressure?

• Added a cooling water jacket around the cylinder

• Increased the engine size

• Used a different fuel type

• Modified the piston design

Who built the first diesel engines for commercial use, installing them in his St. Louis brewery to drive various pumps?

• Sadi Carnot

• Dr. Rudolf Diesel

• Adolphus Bush

• None of the above