更多"In order to remove the carbon depos"的相关试题:
[单项选择]The discharge from a carbon dioxide fire extinguisher should be directed（）.
A. at the base of the flames
B. at the center of the flames
C. to the lee side of the flames
D. over the tops of the flames
[单项选择]A/THR已衔接，飞机起飞后，下列哪种情况下A/THR不能激活（）
A. 推力手柄放到CL位
B. 推力手柄在IDLE和CL之间
C. 推力手柄放在FLX位
D. 出现ALPHA FLOOR
[单项选择]大肠杆菌A菌株（met-bio-thr+leu+）和B菌株（met+bio+thr-leu-）在U型管实验培养后出现了野生型（met+bio+thr+leu+），证明了这种野生型的出现可能属于（）
A. 接合
B. 转化
C. 性导
D. 都不是
[单项选择]In order to benefit from the use of storm oil in heavy seas，the storm oil should be spread （）.
A. around the rudder and screws
B. completely around the vessel
C. to leeward of the vessel
D. to windward of the vessel
[单项选择]In order to properly remove air from the casing of a centrifugal pump when starting, the pump should have a （）.
A. positive head
B. negative suction head
C. mechanical seal
D. vent valve attached to the casing at the top of the volute
[单项选择]In order to keep excess oil from the intake ports in two-stroke/cycle diesel engines, （）
A. wide compression rings are used
B. oil rings are located above the piston
C. chromium plating is used on all piston rings
D. oil rings are located near the bottom of the piston skirt
[单项选择]In order to help protect a natural fiber rope from rotting，the line must be（）.
A. dried，and stowed in a place with adequate ventilation
B. stowed in a hot，moist compartment
C. stowed on deck at all times
D. stowed in any compartment
[单项选择]靶心率（THR）是指（）
A. 运动终止后5分钟时的心率
B. 与运动应该达到的适宜强度相当的心率
C. 亚极量负荷时的心率
D. 与运动中绝不能超过的最高强度相当的心率
E. 以上都不对
[单项选择]When the order （） is received from the bridge, the main air stop valve in the starting air line should be shut.
A. stand-by engine
B. full ahead
C. finished with engine
D. full away
[单项选择]What is NOT a requirement for testing the line throwing appliance on a vessel? （）
A. The appliance should be tested every three months
B. A regular service line should be used when testing
C. A regular projectile should be used when testing
D. An entry about the test must be made in the Official Log Book
[单项选择]When a line is subject to wear where it passes through a mooring chock，it should be（）.
A. wormed，parceled，and served
B. wrapped with heavy tape
C. wrapped with chafing gear
D. wrapped in leather
[单项选择]关于A/THR，下列说法错误的是（）
A. A/THR的功能包括推力保持和速度保持
B. A/THR可以自动衔接也可以人工衔接
C. A/THR可以自动断开也可以人工断开
D. A/THR衔接后，只有两个推力手柄都在CLMB位，A/THR才能激活
[单项选择]A tow of 9 barges is made up three abreast and three long. The towboat is faced up to the center string which is known as the（）.
A. main string
B. push string
C. power string
D. face string
[单项选择]关于A/THR断开，下列说法错误的是（）
A. 如果通过按压FCU上A/THR衔接电门来断开A/THR，那么发动机的推力将立即转换至推力手柄当前位置所对应推力值
B. 通过按压推力手柄上A/THR断开按钮来断开A/THR，如果这时双发推力手柄都在档位中（in de tent），那么发动机将工作在A/THR断开前的推力
C. 如果通过按压FCU上A/THR衔接电门来断开A/THR，那么发动机的推力将保持在A/THR断开前的推力值
D. 通过按压推力手柄上A/THR断开按钮来断开A/THR，如果这时双发推力手柄都不在档位中（not in detent），那么发动机的推力将平稳的转换至推力手柄当前位置所对应的推力值
[单项选择]当A/THR已衔接但未能被激活时（）
A. A/THR系统控制发动机，且A/THR按钮灯亮
B. 油门杆控制发动机，且A/THR按钮灯不亮
C. 油门杆控制发动机且A/THR按钮灯亮
[单项选择]Portable carbon dioxide fire extinguishers should be sent ashore to be recharged （）.
A. when the remaining charge volume is less than 90 percent of the required VOLUME
B. at each inspection for certification
C. at each annual inspection
D. when the weight loss exceeds 10% of weight of charge
[单项选择]如果A/THR工作在RETARD模式时，AP被人工断开，那么（）
A. A/THR自动断开衔接
B. A/THR依然保持衔接，但转为未激活状态
C. 依然处于激活状态，并且依然工作在RETARD模式
D. 依然处于激活状态，但工作模式转为速度保持
