举一反三
- The maximum angle at which the intact stability curves are valid for ship’s is the angle for（）.
- 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°.
- The angle to which a floating ship，with a negative initial metacentric height，lies while at rest in still water is the angle of（）.
内容
- 0
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
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下列属于滑杆参数的有( )。 A: Value B: Minimum C: Maximum D: Angle
- 2
In the angle constraint, "Undirected Angle" method, the defined angle does not have directionality, only has the effect of limiting the size. The "Undirected Angle" icon is: A: [img=51x34]1803a1763ead47f.png[/img] B: [img=51x34]1803a17648ef13f.png[/img] C: [img=219x102]1803a176538fbdc.png[/img] D: [img=28x25]1803a1765d58d94.png[/img]
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There are two shafts in torsion with different materials. Knowing that the two have the same diameter and length and are exerted the same torque.Which one is correct in the following statements about the maximum shearing stress and the angle of twist ___.
- 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 °