更多"A block that can be opened at the h"的相关试题:
[单项选择]A block that can be opened at the hook or shackle end to receive a bight of the line is a（）.
A. bight block
B. gin block
C. heel block
D. snatch block
[单项选择]The crankcase can not be opened （）the parts have been cooled down.
A. if
B. as
C. unless
D. when
[单项选择]What is the bow type anchor shackle primarily used for（）.
A. Chain to chain connections
B. Chain to anchor connections
C. Kenter link to anchor connections
D. Wire rope connections
[单项选择]Tugs sometimes shackle a length of chain in the towline in order to（）.
A. take the wear should the towline drag bottom
B. assure that if the towline is overstressed it will part close to the bridle
C. prevent the towline from whipping should it part
D. put spring in the towline
[单项选择]A safety shackle is identified by its（）.
A. shape
B. pin
C. certification stamp
D. color code
[单项选择]（）port anchor，one shackle in water.
A. Throw
B. Heave in
C. Cast off
D. Let go
[单项选择]A pelican hook（）.
A. can be released while under strain
B. is used for boat falls
C. is used for extra heavy loads
D. is used for light loads only
[单项选择]The latch of a safety hook（）.
A. increases the strength of the hook
B. prevents the sling ring from coming out of the hook if the strain is abruptly eased
C. prevents the sling ring from coming out of the hook if there is a strain on the sling ring
D. All of the above
[单项选择]A bench hook is used for（）.
A. handing of cargo cases
B. handing oilskings
C. sewing canvas
D. splicing small stuff
[单项选择]A sail hook is used for（）.
A. hoisting a windsail
B. parceling
C. sewing canvas
D. testing canvas
[单项选择]关于Block2007研究与Block2005研究，以下哪项是正确（）
A. 终点都是死亡率
B. 对照组都是含钙的磷结合剂
C. 终点都是冠状动脉钙化
D. Block2005终点是死亡率
[单项选择]Placing a lashing across a hook to prevent a fitting from slipping out of the hook is called （）.
A. faking
B. flemishing down
C. mousing
D. worming
