Which engine cylinder arrangement describes cylinders in a straight line along the crankcase?

Which engine cylinder arrangement describes cylinders in a straight line along the crankcase?

• A. V
• B. Flat
• C. W
• D. Inline

Answer: (D)

The arrangement described is inline. In an inline engine, all cylinders sit in a single row along the crankcase, with the pistons moving in line within that one bank. This contrasts with a V engine, which uses two cylinder banks arranged at an angle to form a V shape; a flat (boxer) engine, which has opposing cylinders in a flat plane; and a W engine, which uses three banks arranged in a W shape. So the straight-line, single-row configuration is the inline layout.

The arrangement described is inline. In an inline engine, all cylinders sit in a single row along the crankcase, with the pistons moving in line within that one bank. This contrasts with a V engine, which uses two cylinder banks arranged at an angle to form a V shape; a flat (boxer) engine, which has opposing cylinders in a flat plane; and a W engine, which uses three banks arranged in a W shape. So the straight-line, single-row configuration is the inline layout.