Power and torque are two different measures of a vehicle's performance. Power is the rate at which work is done, while torque is the measure of the rotational force of an engine. In simpler terms, power refers to how quickly a vehicle can achieve a certain speed, while torque refers to the vehicle's pulling or towing ability.
Power is typically measured in horsepower (HP) or kilowatts (kW), while torque is measured in pound-feet (lb-ft) or Newton-meters (Nm). These measurements can be determined through dynamometer testing, where the engine's output is measured at various speeds.
Yes, it is possible for a vehicle to have more torque than power. This is often seen in vehicles with diesel engines, as they are designed to produce high levels of torque at lower speeds. However, having more torque does not necessarily mean the vehicle will have better performance or be faster.
In general, a higher power output and lower torque output will result in better fuel efficiency. This is because higher torque requires more fuel to be burned in order to maintain the same level of power. However, other factors such as vehicle weight, aerodynamics, and driving habits also play a significant role in a vehicle's fuel efficiency.
Yes, the power and torque of a bus can be increased through various modifications such as engine tuning, adding a turbocharger or supercharger, or upgrading the exhaust system. However, it is important to note that increasing power and torque can also put additional strain on the engine and may affect the vehicle's overall reliability and longevity.