The effective volume of aggregate is ()
A: Volume of solid aggregate
B: volume of solid aggregate and surface voids
C: volume of solid aggregate and surface voids not filled with asphalt
D: volume of solid aggregate, surface voids and closed voids
A: Volume of solid aggregate
B: volume of solid aggregate and surface voids
C: volume of solid aggregate and surface voids not filled with asphalt
D: volume of solid aggregate, surface voids and closed voids
举一反三
- Assume that the base of a solid is a circle with radius of 5, and the sections of a fixed diameter perpendicular to the bottom circle are equilateral triangles, then the volume of the solid is [img=89x43]1803e2483322d80.png[/img].
- The DD schedule shows_______. ( ) A: interest rate and output pairs for which aggregate demand equals aggregate output. B: exchange rate and output pairs for which aggregate demand equals aggregate output.2 C: interest rate and output pairs for which aggregate supply equals aggregate output. D: exchange rate and output pairs for which aggregate demand is greater than aggregate output.
- The FVF of a gas is defined as the ratio of gas volume at reservoir temperature and pressure to the volume at （ ）。 A: stock tank condition B: surface condition C: reservoir condition D: standard condition
- 6-2。Which one has the biggest surface to volume ratio（ ）。 A: basketball B: ping-pong C: earth
- When taxes increase, consumption A: increases, so aggregate demand shifts right B: increases, so aggregate supply shifts right C: decreases, so aggregate demand shifts left D: decreases, so aggregate supply shifts left