1 ống dẫn xăng có đường kính d=25mm . tính vận tốc chuyển động của xăng . biết lưu lượng của xăng là 2050 lít / giờ , tỉ trọng của xăng là 0,76

What precautions should you take to prevent injuries when dealing with heavy loads?

Water at 70°f and streams enter the mixing chamber at the same mass flow rate, determine the temperature and the quality of the exiting stream. 0 psia is heated in a chamber by mixing it with saturated water vapor at 20 psia. if both streams enters the mixing chamber at the same mass flow rate, determine the temperature and the quality of the existing system.

Ifa component is made of two or more materials with different modulus of elasticity (e), it is called a composite member and we calculate the factor·n". mention the formula for calculating n". also, ifn> 1, explain what will happen to the 1. transformed. gi) ifn 1, what will happen to the material when transformed material when