更多"The process of lowering a boom to a"的相关试题:
[单项选择]The signal given to commence lowering the lifeboats is（）.
A. 3 short blasts of the ship's whistle
B. 1 short blast of the ship's whistle
C. 3 long blasts of the ship's whistle
D. 1 long blast of the ship's whistle
[单项选择]When lowering manropes alongside a stage rigged over the side of a vessel，they should be allowed to trail in the water（）.
A. to easily remove the kinks that form in the lines
B. to allow the seamen on the stage to know the direction and strength of the current
C. to provide the seaman something to hold onto if he or she falls from the stage into the water
D. only for short periods of time since they will become waterlogged and be very heavy to pull up
[单项选择]Reducing free surfaces has the effect of lowering the（）.
A. uncorrected KG
B. virtual height of the center of gravity
C. metacenter
D. metacentric height
[单项选择]Prior to lowering the lifeboat，the most important item to check is the（）.
A. oars
B. sail
C. boat plug
D. life preservers
[单项选择]The most common cause of lowering the crankcase lube oil flash point is （）.
A. more water contents
B. contamination with fuel oil
C. higher temperature
D. sufficient cooling of oil mist
[单项选择]A boom vang（）.
A. holds the boom down and flattens the main sail
B. draws the head of the sail to windward
C. tautens the standing rigging
D. douses the gaff topsail
[单项选择]Horizontal subdivision decks forming watertight compartments in the columns of a semisubmersible ship increase the unit’s（）.
A. tank capacities
B. stability in the event of damage
C. towing speed
D. anchor holding ratio
[单项选择]When lowering lifeboats in heavy seas，a good practice is to rig frapping lines（）.
A. on only the forward falls
B. on only the after falls
C. with a lead of about 45 degrees to the boat
D. from the falls to the main deck of the vessel
[单项选择]A lifeboat is weight tested by lowering to near the waterand loading to capacity with weight evenly distributed. Itis then lowered into the water and released. This test mustbe done at least once every（）.
A. 6 months
B. 12 months
C. 18 months
D. 24 months
[单项选择]In ship operations，hoisting and lowering pipe in and out of the drilled hole is the main function of the（）.
A. swivel
B. cathead spool
C. drawworks
D. stand pipe
[单项选择]The maximum speed of lowering for a lifeboat on gravity davits is controlled by the（）.
A. limit switches
B. emergency disconnect switch
C. governor brake
D. position of the counterweight on the brake handle
[判断题]在江苏农信POS收单业务中，POS机签到管理分为操作员签到和POS签到两种。
[单项选择]为区别传统POS与电话POS，省农信联社决定将电话POS商户编号的第七位统一为（）。
A. 6
B. 7
C. 8
D. 9
[判断题]POS机系统管理员负责对POS系统进行管理，包括软件下载、参数设置。POS终端使用密码认证系统管理员身份。
[单项选择]The horizontal angle between the magnetic meridian and the north-south line of the magnetic compass is（）.
A. deviation
B. variation
C. compass error
D. dip
[单项选择]POS特约商户退出后应及时回收POS终端及商户近（）签购单，并在POS业务系统进行商户撤销、账务清理等相关处理。
A. 三个月
B. 半年
C. 一年
D. 两年
[填空题]收单机构与特约商户对账，采用商户POS发起POS结算交易进行，如对账不符，要调用（）和商户POS机打印的原始签购单进行核对。经核实确为差错的，由收单机构进行差错调账处理。
