Compared to a constant pitch propeller, a controllable pitch propellerA.more efficiently uses available engine powerB.operates at a lower efficiency at a fixed speedC.produces the same torque at lower engine powerD.develops its rated power at a lower spee

题目

Compared to a constant pitch propeller, a controllable pitch propeller

A.more efficiently uses available engine power

B.operates at a lower efficiency at a fixed speed

C.produces the same torque at lower engine power

D.develops its rated power at a lower speed


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  • 第1题:

    2、右手拨弦的音乐术语,书写正确的是 ()

    A.arcata

    B.pizz.

    C.pizzicate

    D.pitch


    B

  • 第2题:

    或与非门通常和与或非门具有相同的pitch个数


    正确

  • 第3题:

    标准单元的高度应该由一铝的Pitch来决定


    A

  • 第4题:

    在标准单元版图绘制中,一般pitch的取法有三种,它们分别是 line on line 、line on via 、 。


    via on via

  • 第5题:

    以下不属于三轴增稳云台中“三轴”的是?

    A.Yaw轴

    B.Beta轴

    C.Pitch轴

    D.Roll轴


    Beta 轴

  • 第6题:

    单元宽度超过整数个pitch单元(比如N个)一点,但又不到N+1个,那么还是要调用N+1个pitch单元


    截断显示