coiled coil

相似题目

• A fluid coil will （）large quantities of heat when it changes state from a liquid to a vapor.

  A . release B . absorb C . develop D . regenerate

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• Right-laid line should be coiled（）.

  A . clockwise B . counterclockwise C . either clockwise or counterclockwise D . on a reel

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• The temperature of the refrigerant in the evaporator coil depends mostly upon the （）.

  A . refrigerant pressure in the evaporator B . cooling water temperature to the condenser C . heat load in the refrigerator compartment D . solenoid valve in the liquid line

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• If the thermal bulb of an expansion valve is incorrectly placed at the center of the coil instead of the end, it will （）.

  A . increase the capacity of the coil B . increase the superheat at the bulb C . deliver more refrigerant to the coil D . decrease the capacity of the coil

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• The coil of wire rotating in the magnetic field produces the（）.

  A . voltage B . current C . power D . frequency

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• 空调器（冷气机）之“冷盖（coil）”的正确名称是（）

  A . 冷凝器 B . 蒸发器 C . 压缩机 D . 以上皆是

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• In order to correctly open a new coil of manila line，you should（）.

  A . pull the tagged end from the top of the coil B . pull the tagged end through the eye of the coil C . secure the outside end and unroll the coil D . unreel the coil from a spool

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• The main distribution duct in an air conditioning system which contains the cooling coils and filters is called the（）

  A . manifold B . condenser C . chamber D . plenum

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• 关于“coil”的描述，不准确的是（）。

  A . 是长期栓塞材料 B . 不能被机体吸收 C . 属中央性栓塞物 D . 均呈弹簧状 E . X线下显影

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• Which of the following statements is correct concerning a typical shipboard multi-coil refrigeration system?（）

  A . The liquid receiver functions to collect and remove non-condensable gases B . A thermostatic expansion valve is used to control refrigerated space temperature C . Refrigerant temperature in an evaporator is directly related to refrigerant pressure D . Dehydrators must be used continuously in a refrigeration system

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• The field coils（） and the armature is（）This is in fact the arrangement adopted for large, heavy duty alternators.

  A . stationary；rotate B . stationary；stationary C . rotate；stationary D . rotate；rotate

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• Aboard ship, a grounded field coil in an AC motor can be determined by using a （）.

  A . portable growler B . galvanometer C . visual inspection D . megohmmeter

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• If kinking results while wire rope is being coiled clockwise，you should（）.

  A . coil it counterclockwise B . not coil it C . take a turn under D . twist out the kinks under a strai

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• A direct current passing through a wire coiled around a soft iron core is the description of a simple（）.

  A . magnetic shield B . electromagnet C . piezoelectric device D . electromagnetic domai

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• Coiling new rope against the lay，bringing the lower end up through the center of the coil，then coiling with the lay，in order to remove the kinks，is known as（）.

  A . coiling B . faking C . flemishing D . thoroughfooting

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• Escherichia coil是（）

  A . 枯草芽孢杆菌 B . 大肠杆菌 C . 金黄色葡萄球菌 D . 放线菌

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• A fluid coil will （） large quantifies of heat when it changes state from a liquid to a vapor.

  A . release B . absorb C . develop D . regenerate

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• 钢圈（coil）（）

  A . 一般使血管闭塞24～48小时 B . 一般使血管闭塞2～4周，可按需制成不同形状和大小 C . 较长时间阻塞肿瘤实质血供的外围性液态栓塞剂 D . 机械性永久性栓塞物 E . 液态高分子聚合物，可长期闭塞血管

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• To assist separation of low viscosity oils steam coils or electric heaters are fitted （） of the oily water separator.

  A . in entrance B . in exit C . in the upper part D . on the outside

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• The boiler water alkalinity in a coil-type auxiliary boiler should be maintained at the pH recommended by the boiler manufacturer to（）

  A . precipitate silica from solution B . reduce corrosion in the heating coil C . prevent clogging and erosion in the coil D . maintain zero water hardne

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