no
You don't need to take any courses, if you are already handy. But some classes I took that were helpful were: chassis, engines, AC/heat. One very important class, and probably the first one to take... automotive electronics.
I am not certain what is included in the mechanical engineering cirriculum, but you will certainly need an understanding of chemistry and fluid dynamics, and an understanding of the proper use of the primary languages where you will be working will be very helpful as well.
Yes
it depeds on you how science is helpful
The internet is a great place to find courses in customer service. Sites that offer courses are Alison or About. They have free courses and usually are helpful.
it is helpful for it help people get to the living standard of today and technology enhancments give us better health it is helpful for it has helped us get to the living standard of today, also it gives enhancements in health.
Yes, in order to work as an engineering consultant, you will need at least a bachelor's degree. An engineering background is helpful.
I find that Autozone is very helpful in answering automotive questions.
To qualify for a manufacturing engineer job is a minimum of a Bachelor of Science degree from the Accreditation Board of Engineering and Technology. According to, http://www.samplejobdescriptions.org/manufacturing-engineer-job-description.html , it is also helpful to have a master's degree in engineering as well as on the job experience.
You can always take college courses for the theoretical knowledge, but to get the "real life" knowledge, try Udemy lessons or TedTalks.
The main skill you'll need is to be skilled in Information Technology. It's probably going to be very helpful if you obtain skills via college courses as it helps you land that data center job.
Courses that are helpful, and often required, to be accepted into dental school include life sciences such as biology, organic and biochemistry, microbiology, anatomy & physiology. Sometimes physics is required as well. Other courses that are helpful include psychology, anthropology, and sociology. Business courses such as accounting, marketing, and management are not required but can be useful as well.