單項(xiàng)選擇題

Tensile stress is a result of two forces acting in（）.

A.opposite directions on the same line，tending to pull the material apart
B.opposite directions on the same line，tending to compress the object
C.opposite directions along parallel lines
D.the same direction along parallel lines

你可能感興趣的試題

單項(xiàng)選擇題

Sometimes it is desirable to connect a member both by riveting and welding. Which statement is TRUE concerning this procedure? （）

A.Tearing through the member is more likely in this type connection
B.The weld may be broken by the stresses caused by riveting
C.The weld increases the tensile stress on the rivet heads
D.The welding must be completed before the riveting commences

單項(xiàng)選擇題

Should the vessel have no deratisation certificate at the time of her delivery，she（）be held to be unseaworthy.

A.shall
B.should
C.may
D.would

99色精品-9色在线-99色在线-99色视频 国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

Tensile stress is a result of two forces acting in（）.

你可能感興趣的試題

Sometimes it is desirable to connect a member both by riveting and welding. Which statement is TRUE concerning this procedure? （）

Should the vessel have no deratisation certificate at the time of her delivery，she（）be held to be unseaworthy.

99色精品-9色在线-99色在线-99色视频国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

Should the vessel have no deratisation certificate at the time of her delivery，she（）be held to be unseaworthy.