1. Pump에서의 Cavitation (공동현상) 에 대하여 기술하고 이로 생길 수 있는 문제점과 그 방지책에 대해 논하시오
- Cavitation이란
유체가 넓은 유로에서 좁을 곳으로 고속 유입하거나 벽면의 요철, 만곡부 등으로 흐름이 직선적이지 못할 때 유체는 저압이 되고 포화증기압보다 낮아지면 기화되어 기포가
Brinkmanship can be an effective choice in chicken game. That is, if you rush toward the other in drunken, or pull out the handle, you can show you do not have any intention to avoid to the other. In this situation, the other person may think that he is the only person who can decide ‘to avoid’ or ‘to crush’. Thus, the other person will choose to avoid (because it is at least better than
3. Key Problems
3.1. Problems of strategy, staffing and skills:
market share decrease in Smart Phone market
Recently, LG Electronics made poor performance due to their lack of appropriate management in Smart Phone market. The most critical reason in this problem is that LG Electronics’ wrong strategy toward starting Smart Phone market brought staffing problems and excessive attachment fo
- Universally used structural material.
- Complex material made out of cement, sand and pebbles etc mix with water.
- Strong against compression but weak against tension
- At construction site, any structures' facilities or architecture, need concrete essentially.
- Concrete is cheap, easy to get anywhere and form to any shape.
- Since, money needed in framed construction in modern structu
4.3 System
First, MBC holds a performance-related pay (bonus) of which measurement methods consist of personal assessment of boss, ratings and general comments. Secondly, as to information system, online system is installed now. Information like money spent and budget is refined and then transferred to manager, and minor information is shared by every member. Third, planning and budgeting, the b