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举一反三
【单选题】Passage 3 Questions 11 to 15 are based on the following passage: Scientists in India have invented a new way to produce electricity. Their invention does not get its power from oil, coal or other fuel...
A.
Because bullocks have long been used by Indian people
B.
Because bullocks walk slowly and are easy to control.
C.
Because there are few non-working bullocks in India
D.
Because there is not enough oil in India.
【单选题】前后轮组转动的标准是（）。
A.
轮组转动保证畅通、无滞留
B.
为加快维修效率，可以不用检查
C.
确定前后轮组螺丝螺母紧即可
D.
只要刹把握距适度，无需检测轮组转动
相关题目：
【单选题】Passage 3 Questions 11 to 15 are based on the following passage: Scientists in India have invented a new way to produce electricity. Their invention does not get its power from oil, coal or other fuel...
A.
Because bullocks have long been used by Indian people
B.
Because bullocks walk slowly and are easy to control.
C.
Because there are few non-working bullocks in India
D.
Because there is not enough oil in India.
【单选题】减速器中,支承齿轮的轴属于 轴。
A.
传动轴
B.
固定心轴
C.
转轴
D.
转动心轴
【单选题】某一钢丝绳的破断拉力为150kN，用作滑轮组的跑绳时，其最大允许的许用拉力为( )kN。
A.
15
B.
18.75
C.
30
D.
45.6
【单选题】T•JK2A型减速器表示接点的干簧接点盒距磁钢应为（）
A.
2mm～5mm
B.
2mm～10mm
C.
11mm～20mm
D.
15mm～25mm
【多选题】减速器的功能包括( )
A.
增加速度
B.
降速
C.
增矩
D.
改变传动方向
【单选题】抽油机减速器漏油时应（）。
A.
拆洗清理呼吸阀
B.
降低载荷
C.
调慢冲次
D.
调平衡
【判断题】减速器两相邻的制动梁间的距离不得小于5mm、大于10mm。
A.
正确
B.
错误
【多选题】一级减速器分为（ ）。
A.
外齿啮合式
B.
内齿啮合式
C.
涡轮蜗杆式
D.
行星式
【单选题】齿轮的渐开线形状取决于它的（）直径。
A.
齿顶圆
B.
分度圆
C.
基圆
D.
齿根圆
【判断题】自动变速器中的齿轮都是行星齿轮。()
A.
正确
B.
错误
【单选题】前后轮组转动的标准是（）。
A.
轮组转动保证畅通、无滞留
B.
为加快维修效率，可以不用检查
C.
确定前后轮组螺丝螺母紧即可
D.
只要刹把握距适度，无需检测轮组转动