pitch

相似题目

• 若零件包装方式为12W8P，则计数PITCH尺寸须调整每次进：（）

  A . 4mm B . 8mm C . 12mm D . 16mm

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• Pitching is angular motion of the vessel about what axis?（）.

  A . Longitudinal B . Transverse C . Vertical D . Centerline

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• The pitch ratio of a propeller is the mean pitch divided by （）.

  A . the propeller diameter B . the propeller radius C . the pitch angle D . the length of helix

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• 音高（Pitch）

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• The difference between Fixed pitch propeller (FPP) and Controllable pitch propeller (CPP) is in that（）

  A . for FP, once fitted, the position of the blades can also be changed in operation B . for CP, once fitted, the position of the blades can also be changed in operation C . the CP type has a relatively smaller hub compared with the FP propellers D . the FP type has a relatively larger hub compared with the CP propeller

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• 在国标中规定使用“pitch angle”来表示。（）。

  A . 浆距角 B . 倾角 C . 安装角 D . 偏航角

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• 关于《故障集》中对error_pitch_speed_limit解释说明正确的是（）

  A . 表示变桨速度超限，超过了限定值14°/s B . 第一步检查旋转编码器的插头及插头处的屏蔽层连接 C . 第二步检查旋转编码器信号线到变桨柜出的哈丁插头的屏蔽层的连接 D . 第三步检查X3端子排上的接线及KL5001上的接线；E.第四步以上检查都良好，那么建议更换旋转编码器

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• PFD上显示琥珀色“USE MAN PITCH TRIM（使用人工配平）”信息时，飞机处于什么操纵法则（）

  A . 备用法则 B . 直接法则 C . 机械备份

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• PFD显示红色的“MAN PITCH TRIM ONLY（仅人工俯仰配平）”信息，飞机处于什么操纵法则（）

  A . 备用法则 B . 直接法则 C . 机械备份

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• The pitch of a propeller is a measure of the（）.

  A . angle that the propeller makes with a free stream of water B . angle that the propeller makes with the surface of the water C . number of feet per revolution the propeller is designed to advance in still water without slip D . positive pressure resulting from the difference of the forces on both sides of the moving propeller in still water without sli

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• Pitch is produced by frequency of vibration of the vocal cords. The higher the frequency, the higher the pitch.（）

  A . 正确 B . 错误

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• 在（）pitch上的GPU是冗余的。

  A . 29 B . 77 C . 101 D . 70

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• Propeller pitch speed minus ship speed divided by the propeller pitch speed is termed （）.

  A . apparent slip B . tree slip C . pitch D . propulsive efficiency

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• 有关CT螺旋扫描螺距（pitch）的概念，哪项描述是正确的（）

  A . 等于球管旋转一周的时间 B . 等于球管旋转一周扫描的距离 C . 等于球管旋转一周检查床移动的距离与扫描距离的比值 D . 等于球管旋转一周检查床移动的距离与扫描厚层的比值 E . 以上都不是

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• 如果想利用ACMS查看当前的飞机姿态PITCH&ROLL，需要通过ACMS的那个选项进入？（）

  A . LABEL CALL-UP B . DARRE CRDNG C . STORED REPORTS D . ALPHA CALL-UP

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• The most powerful signal of stress is a change of pitch on the vowel.（）

  A . 正确 B . 错误

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• “俯仰配平”（PITCH TRIM）字样指示变为琥珀色表示（）

  A . A、俯仰配平卡阻 B . B、偏转角度过大 C . C、俯仰配平被冻结

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• A large vessel is equipped with a controllable pitch propeller. Which statement is TRUE?（）.

  A . When dead in the water，it is often difficult to find the neutral position and slight headway or sternway may result B . When going directly from full ahead to full astern，there is complete steering control C . When the vessel has headway and the propeller is in neutral，there is no effect on rudder control D . When maneuvering in port，full ahead or astern power can usually be obtained without changing shaft RPM

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• Which characteristic is a disadvantage of a controllable- pitch propeller as compared to a fixed-pitch propeller? （）

  A . Slightly higher fuel consumption B . Lack of directional control when backing C . Inefficient at high shaft RPM D . Some unusual handling characteristic

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• 音名（Pitch name）

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• 如果示出PITCH或ROLL通告，几秒钟后显示稳定（）

  A . 10 B . 6 C . 5 D . 15

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• _______has the biggest pitch change in the intonation units.

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• The perfect pitch ability is genetic.

  A．Levitin B．deutsch C．Gregersen D．Marvin E．Freimer

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• 在效果器上，（）用英文表示为pitch。

  A．快进 B．终止 C．跳跃 D．移调

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