题目 What is the purpose of a catalytic converter in a vehicle's exhaust system? 答案 A 解析 null 本题来源 题目:What is the purpose of a catalytic converter in a vehicle's exhaust system? 来源: 汽修专业英语试题及答案 收藏 反馈 分享...
What is the purpose of a catalytic converter in a vehicle's exhaust system? A. To reduce harmful emissions B. To increase engine power C. To improve fuel efficiency D. To E. nhance the sound of the exhaust 相关知识点: 试题来源: 解析 A ...
What is the main cause of air pollution in cities? A. Industrial emissions B. Vehicle exhaust C. Waste burning D. Natural disasters 相关知识点: 试题来源: 解析 B。本题考查对城市空气污染主要原因的认识。A 选项工业排放是空气污染的一个原因,但不是主要原因。C 选项垃圾焚烧也会造成空气污染,但不...
What is the main cause of air pollution? A. Industrial emissions. B. Vehicle exhaust. C. Household waste. D. Natural disasters. 相关知识点: 试题来源: 解析 A和 B。解析:工业排放和汽车尾气都是空气污染的主要原因,选项 C 家庭垃圾主要造成固体废弃物污染;选项 D 自然灾害不是空气污染的主要原因。
Doing things DIY-style in these cases could save you some cash. As the engine is the heart of your vehicle, you should be aware that it follows a strict cycle with no deviations. The last element of this cycle is the exhaust system that allows the engine to get rid of the leftovers ...
If there is no urgent business, it is better not to drive a motor vehicle, walk or ride a bicycle! This protects the air quality. Take part in tree-planting activities and cut down trees. That will give Beijing a green color. When we discharge the sewage, we should not enter into the...
As an integral part of your vehicle’s exhaust system, the catalytic converter is designed to reduce certain gases and pollutants emitted from the exhaust of vehicles equipped with an internal combustion engine. Since 1975, vehicles have needed a catalytic converter to meet federally mandated emission...
Click here to read about after-treatment of diesel exhaust fluid (DEF) also known as AdBlue. We take a look at what diesel exhaust fluid is and why it’s needed.
So, in an SCR-equipped vehicle, the exhaust gas from the engine is routed first through a particulate filter to catch all the soot and ash generated from burning what is a relatively impure fuel. That takes care of the "rolling coal" aspect of old diesel engines that made themrelatively ...
How often do I have to add diesel exhaust fluid? The frequency of refilling a vehicle's DEF tank depends on several factors, including the vehicle's DEF tank size, engine efficiency, driving conditions, and load. On average, DEF consumption is around 2-4% of diesel fuel consumption. This...