The maximum angle at which the intact stability curves are valid for ship’s is the angle for（）.
D
举一反三
- Many sheath-screw davits have markings to indicate the maximum angle to which they should be cranked out. If the angle is exceeded，the davit（）.
- The angle to which a floating ship，with a negative initial metacentric height，lies while at rest in still water is the angle of（）.
- 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
- The rotation angle of the cross section at the maximum deflection of the beam must be equal to zero. ( )
- 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°.
内容
- 0
Cross curves of stability show which of the following（）.
- 1
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
- 2
The rotation angle of the cross section at the maximum deflection of the beam must be equal to zero. ( ) A: 正确 B: 错误
- 3
下列属于滑杆参数的有( )。 A: Value B: Minimum C: Maximum D: Angle
- 4
The sum of rake Angle, clearance angle and wedge Angle is ( ).The sum of the major cutting edge angle, minor cutting edge angle, and tool included angle. is ( ) A: 90 ° , 180 ° B: 90 ° , 90 ° C: 180 ° , 180 ° D: 180 ° , 90 °