Final answer:
The question is about an inline engine configuration where cylinders are arranged in a single row along the crankcase. This design is commonly used in four-stroke gasoline engines that operate on the Otto cycle.
Step-by-step explanation:
The question refers to an engine type where cylinders are arranged in a straight line along the crankcase. This configuration is known as an inline engine or straight engine. In this design, all cylinders are arranged in a single row, side by side, which is a common layout for many four-stroke gasoline engines. These engines function based on the Otto cycle, characterized by four main strokes: intake, compression, power (combustion), and exhaust. Each stroke plays a vital role in converting heat into work within the engine's cycle, making the inline engine an effective power source for various vehicles.