I would honestly select every one of the given options. Gor a company evaluating this new material it would be very valuable to hit each of these factors.
Answer:
The preferred steel type for W-shapes is structural steel and the its preferred ASTM designation is ASTM A992.
Explanation:
The ASTM A992 is a structural steel and it's the most available for w-shapes; besides its availabilty, its ductility improvements makes it the preferred choice; other common designations for this shapes are ASTM A572 Grade 50,0r ASTM A36, but this designations aren't as available as ASTM A992, and it has to be confirmed prior to their specification.
Explanation:
Conduction is the heat transfer through a stationary matter by the physical contact.
For example, the heat transferred between electric burner of stove and bottom of pan is transferred by the process of conduction.
Convection is heat transfer by macroscopic movement of the fluid. The particles of the fluid carry the current within themselves.
For example, the water is the pot is warmed overall by heat transferred by the process of convection.
Answer:
true
Explanation:
it is used to describe the family of transit services available to residents of urban area
