【单选题】题干: 螺旋桨产生的沉深横向力和沉深比h/D的关系是:
A.
h/D越大,沉深横向力越大;h/D < 1,该力则为零
B.
h/D越小,沉深横向力越小;h/D=0,该力则为零
C.
h/D < 0.65~0.75,沉深横向力明显增大;h/D 越小,该力越大
D.
h/D > 0.65~0.75,沉深横向力明显增大
【单选题】Kennedy Company manufactures a part for its production cycle. The costs per unit for 10,000 units of this part are as follows: Direct materials $20 Direct labor 15 Variable factory overhea...
A.
a. buy the part to save $2.50 per unit
B.
b. buy the part to save $1 per unit
C.
c. make the part to save $2.50 per unit
D.
d. make the part to save $1 per unit
【单选题】邮电局在街道路边设置邮箱,人们只要将信投入邮箱,合同即可成立,该合同的成立形式是( )
【单选题】112· 螺旋桨产生的沉深横向力和沉深比h/D的关系是( )。
A.
h/D越大,沉深横向力越大;h/D<1,该力则为零
B.
h/D越小,沉深横向力越小;h/D=0,该力则为零
C.
h/D<0.65~0.75,沉深横向力明显增大;h/D越小,该力越大
D.
h/D>0.65~0.75,沉深横向力明显增大
【单选题】Hoover Company manufactures a part for its production cycle. The costs per unit for 10,000 units of this part are as follows: Direct materials $20 Direct labor 15 Variable factory overhead...
A.
a. make the part to save $4 per unit
B.
b. buy from Madison to save $6 per unit
C.
c. make the part to save $6 per unit
D.
d. buy from Madison to save $4 per unit
【简答题】螺旋桨产生的沉深横向力和沉深比h/D的关系是________。 A.h/D越大,沉深横向力越大h/D0.65~0.75,沉深横向力明显增大