A 30*30 cm cross section concrete pile with length of 18 m, the carrying capacity of the pile at the pile tip is 9445 KN/m2 and the average unit skin resistance is 25 kN/m2. The ultimate load
carrying capacity of this pile is:
Select one:
0 2231 KN
2111 KN
1390 KN
1300 KN

Abrake has a normal braking torque of 2.8 kip in and heat-dissipating cast-iron surfaces whose mass is 40 lbm. suppose a load is brought to rest in 8.0 s from an initial angular speed of 1600 rev/min using the normal braking torque; estimate the temperature rise of the heat dissipating surfaces.

Aflywheel accelerates for 5 seconds at 2 rad/s2 from a speed of 20 rpm. determine the total number of revolutions of the flywheel during the period of its acceleration. a.5.65 b.8.43 c. 723 d.6.86

The thermal expansion or contraction of a given metal is a function of the f a)-density b)-initial temperature c)- temperature difference d)- linear coefficient of thermal expansion e)- final temperature f)- original length