A.saddle joint
B.pivot joint
C.hinge joint
D.ellipsoidal joint
E.plane joint
A.saddle joint
B.pivot joint
C.hinge joint
D.ellipsoidal joint
E.plane joint
A、a condyloid and a plane joint
B、a condyloid and a saddle joint
C、a saddle and a hinge joint
D、a condyloid and a pivot joint
E、a plane joint and a pivot joint
A hinge joint is _____ permits forward and backward movement of a door.
A:the
B:whose
C:what
D:those
The connection at Point B is a _______.
A、rigid joint connecting 3 members
B、simple hinge joint connecting 2 members
C、multiple hinge joint connecting 3 members
D、multiple rigid joint connecting 3 members
65 Parametric estimates are based on variables such as:
A. Detailed planning and cost restraints.
B. Physical characteristics and historical data.
C. The WBS and similar projects.
D. Project objectives and manpower allocations.
E. Precise measurements and multiple inputs
A、Link BC and Link CD connected by Hinge C
B、Link AB and Link AC connected by Hinge A
C、Link BF and Link FD connected by Hinge F
D、Link BE and Link BF connected by Hinge B
In order to find the rotation of the section to the left of hinge C shown in the figure, the virtual force state for the unit load method shall be taken as:
A、
B、
C、
D、
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