What is the angle of repose?
A: The angle of an inclined rock layer measured from a horizontal line
B: The angle of the slip plane from a slide
C: The angle of plunge into the interior
D: The steepest angle at which a material remains at rest
A: The angle of an inclined rock layer measured from a horizontal line
B: The angle of the slip plane from a slide
C: The angle of plunge into the interior
D: The steepest angle at which a material remains at rest
举一反三
- Measured<br/>in main section, the angle between the rake surface and the reference<br/>plane is (). A: rake γo B: clearance angle αo C: Cutting edge angle κr D: Inclination angle λs
- The index to measure the wettability of powder is A: Angle of repose B: contact angle C: CRH D: Porosity
- The angle to which a floating ship，with a negative initial metacentric height，lies while at rest in still water is the angle of（）.
- The maximum angle at which the intact stability curves are valid for ship’s is the angle for（）.
- For a bar under axial tension, the sections with the maximum normal stress and maximum shear stress are A: the cross section and inclined section with inclined angle 45°, respectively. B: both the cross sections. C: the inclined section with inclined angle 45°and cross section, respectively. D: both the inclined sections with inclined angle 45°.