An oxygen cylinder in a cell plate is filled to 1800 psi G at 70°F. The pilot takes off and Clemson altitude where the temperature is -35°F. If the pilots use of oxygen reduces the pressure by 400 psi G per hour, what will the pressure gauge read after two hours of flight

Asolid round steel rod 6.25 mm in diameter and 375 mm long is rigidly bonded to the end of solid square brass rod 25 mm on a side and 300 mm long. the geometric axes of the bare are along the same line. an axial tensile force of 5.4 kn is applied at the extreme ends of the assembly. for steel e = 200 gpa and for brass e = 90 gpa. determine the total elongation for the assembly.

What is an electric motor? explain its operation. 2-3 sentence

Calculate 9 ∙ 10-5 divided by 3 ∙ 10-9. (box after the "10" in answer is for the