Asimply supported beam is to be 18’-0" long, braced only at its ends. select the lightest w-shape of a572 steel (fy = 50 ksi) given the conditions below. check the beam for shear and deflection. if the total load deflection (∆tl) is limited to l/300, would this beam still work? show work to explain your answer.

When at a point two solid phase changes to one solid phase on cooling then it is known as a) eutectoid point b) eutectic point c) peritectic point d) peritectoid point

When using the ohmmeter function of a digital multimeter, the leads are placed in what position relative to the component being tested? a. parallel b. control c. series d. line

Two technicians are discussing the intake air temperature (iat) sensor. technician a says that the computer uses the iat sensor as a backup to the engine coolant temperature (ect) sensor. technician b says that the powertrain control module (pcm) will subtract the calculated amount of fuel if the air measures hot. who is correct