• 2022-05-31
    VR cannot be lower than( ).
    A: V1and 105% of VMCA
    B: 105% of V1 and VMCA
    C: 1.2Vs for twin and three engine jet aeroplane
  • A

    内容

    • 0

      以下哪项是VR应该满足的限制?() A: VR≧(1.05×VMCA) B: VR≧(1.05×VMU(EO)) C: VR≧(1.1×VMU(AE)) D: VR≦TireSpeedlimit

    • 1

      自动变速器的汽车每行驶( )Km,一般要换自动变速器油一次。 A: 1×105~2×105 B: 2×105~3×105 C: 3×105~4×105 D: 4×105~4×105

    • 2

      SS A: 105×(1±10%)mm B: 105×(1士15%)mm C: 106×(1±10%)mm D: 106×(1±15%)mm

    • 3

      前侧壁心肌梗死出现特征性ECG改变的导联是() A: V1、V2、V3 B: Ⅱ、Ⅲ、aVF C: V、V4、Vs D: Ⅰ、aVL、V、Vs E: Ⅰ、aVL

    • 4

      【单选题】In the short transmission line model, the relative size of the sending end voltage Vs and the receiving end voltage Vr depends on the load power factor. Which of the following is correct? Power factor = 0.8 (leading) Power factor = 1 Power factor = 0.8 (lagging) A Vs > Vr Vs < Vr Vs < Vr B Vs < Vr Vs = Vr Vs < Vr C Vs < Vr Vs = Vr Vs > Vr D Vs > Vr Vs > Vr Vs > Vr A. See item A in the problem B. See item B in the problem C. See item C in the problem D. See item D in the problem