디젤유 탱크(Diesel Oil TANK : DOT) 소요용적
- 디젤유는 항해시 발전기 엔진(Generator Engine) 구동과 출입항 시 주기관 구동에 필요한 디젤유를 포함하여 그 소요 용적을 계산한다.
○ 주기관마력, 발전기의 용량을 알 수 없는 초기단계에서는 다음
과 같이 개략적으로 추정한다.
then the New Haven Railroad began "piggy-back" service (transporting highway freight trailers on flatcars) limited to their own railroads. By 1953, the CB&Q, the Chicago and Eastern Illinois and the Southern Pacific railroads had joined the innovation. Most cars were surplus flatcars equipped with new decks. By 1955, an additional 25 railroads had begun some form of piggy-back trailer service.
1 Introduction
When designing an aircraft, it’s all about finding the optimal proportion of the weight of the vehicle and payload. It needs to be strong and stiff enough to withstand the exceptional circumstances in which it has to operate. Durability is an important factor. Also, if a part fails, it doesn’t necessarily result in failure of the whole aircraft.
The main sections of an aircra
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
2-3. Type of Business
It is basically a travel agency for international students who are studying in Korea universities. This business is like any other ordinary travel agencies. It is a retail business that sells travel related products and services to customers on behalf of suppliers such as hotels, sightseeing tours and packages holidays that combine several products in Korea.
But the diffe