In mechanics what should a cable diameter be sized for maximum

Water flows through two smooth pipes with the same diameter and length as shown below. ipe is twice that through the first-pipe. Both flows are The flow rate through the s laminar and fully _developed.

Name four emerging technologies that could significantly impact how the construction industry conducts business.

Draw and annotate a stress strain curve of a polymer

Describe with an example how corroded structures can lead to environment pollution?

Give the characteristics for the material of friction surfaces.

A completely reversible heat pump produces heat at a rate of 100 kW to warm a house maintained at 25℃. The exterior air, which is at 0℃, serves as the source.

A closed system undergoes a process in which work is done on the system and the heat transfer Q occurs only at temperature Tb. For each case, determine whether the entropy change of the system is positive, negative, zero, or indeterminate.

A scientist who is evaluating an ancient human skeleton for signs of vitamin and nutrient deficiency is conducting:

Which of the following is required in order to make a protected left turn A. A left green arrow B. No oncoming traffic C. A left turn only lane D. A large enough gap

At steady state, a cycle develops a power output of 10 kW for heat addition at a rate of 10 kJ per cycle of operation from a source at 1500 K. Energy is rejected by heat transfer to cooling water at 300 K.