| If both the shell-and-tube lube oil cooler and shell-and-tube jacket water cooler of a diesel engine are seawater cooled, what statement is true? |
| A) Seawater flows through the shells of both the lube-oil and jacket-water coolers. |
| B) Seawater flows through the tubes of the lube-oil cooler and through the shell of the jacket- water cooler. |
| C) Seawater flows through the tubes of both the lube-oil and jacket-water coolers. |
| D) Seawater flows through the tubes of the jacket-water cooler and through the shell of the lube- oil cooler. |