The end of the joint with the exterior

1、What dose “End” at the end of the lett

What dose “End” at the end of the letter mean?A Something attached to the letter.B A complaint to the toy company.C A hidden messageD An encouraging response.

2、The type of joint formed when a third

The type of joint formed when a third small plate is riveted over two plates butted together is called a（）.Abutted jointBlap jointCstrap jointDstringer joint

3、From the middle part to the end of the

From the middle part to the end of the 18th century, in English literature （） flourished. They were mostly stories of mystery and horror which take place in some haunted or dilapidated middle age castles.

4、The grip of a joint represents the（）.

The grip of a joint represents the（）.Athickness of the connected membersBdiameter of the headCentire length of the rivetDdiameter of the shank

5、The type of joint formed when an edge

The type of joint formed when an edge of one plate is laid over the edge of the plate to which it is riveted is a（）.Agrip jointBstrap jointCthread jointDlap joint

6、The small end of the connecting rod is

The small end of the connecting rod is attached to the piston with a （）.AcrankpinBsliding wedgeCwrist pinDtorque bashing