On the Delhi Flowers and Garden Center prints, Sheets S4.1, section 13, how is the HSS 4x4 purlin welded to the 1/4" x 6" plate?

The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite

If you were designing a bumper for a car, would you prefer it to exhibit elastic or plastic deformation? why? consider the functions of a bumper in both a minor "fender-bender" and a major collision.

An air conditioning system consist of a 5 cm diameter pipe, operating at a pressure of 200 kpa. the air initially enters the pipe at 15°c with a velocity of 20 m/s and relative humidity of 80%. if the heat supply throughout the process is 960 w, determine the relative humidity and the temperature at the outlet