Calculate the compression resistance of a compound column consisting of UC-305x305x198 with one cover plate of 350mm x 20mm on each flange and having a length of 5m. assume that bottom of column is fixed and top is pinned in both x & y axis?

The mass flow rate of the fluid remains constant in all steady flow process. a)- true b)- false

Coiled springs ought to be very strong and stiff. si3n4 is a strong, stiff material. would you select this material for a spring? explain.

Ariver flows from north to south at 8 km/h. a boat is to cross this river from west to east at a speed of 20 km/h (speed of the boat with respect to the earth/ground). at what angle (in degrees) must the boat be pointed upstream such that it will proceed directly across the river (hint: find the speed of the boat with respect to water/river)? a 288 b. 21.8 c. 326 d. 30.2