Krit University Example 2.2: (a) If the T-beam shown is uncracked, calculate the stress in the concrete
at the top and bottom extreme fibers under a positive bending moment of 112 kN. m.
(b) If f. - 20.7 MPa and normal weight concrete is used, what is the maximum
uniformly distributed load the beam can carry if it is used as a simple beam with 7 m
span without exceeding the modulus of rupture of the concrete?
(c) Repeat part (b) if the beam is inverted,
br1500mm

= 270mm
he 125mm
centroid
675mm
530mm
wing

Assuming compressible flow of air and that the measurements are done at flagstaff a pitot static tube that gives the difference of total and static pressure measures 0.35 m of mercury. what is the velocity of air? assume the temperature to be 300k. (submit your excel or matlab calculation sheet)

The characteristic roots of a dynamic system are: 1.7920 1.8160 i, -1.7920 1.8160 i, -0.4160 what is the order of this system? what are the settling time and damping ratio of the system?

Along 8-cm diameter steam pipe whose external surface temperature is 900c connects two buildings. the pipe is exposed to ambient air at 70c with a wind speed of 50 km/hr blowing across the pipe. determine the heat loss from the pipe per unit length. (b) air at 500c enters a section of a rectangular duct (15 cm x 20 cm) at an average velocity of 7 m/s. if the walls of the duct are maintained at 100c. a) the length of the tube for an exit temperature of the air to be 40 0c. b)the rate of heat transfer from the air. c) the fan power needed to overcome the pressure drop in this section of the duct.