更多"Prior to magnetic particle inspecti"的相关试题:
[单项选择]anchor表示()
A. 列表
B. 标题
C. 属性
D. 锚点
[单项选择]该化合物CH3CH2CH2CH(CH3)CH2CH3的系统名称是()。
A. 庚烷
B. 3一甲基己烷
C. 4一甲基己烷
D. 异辛烷
[单项选择]CH≡CH、CH2=CH2、CH3CH3等三种物质中,()毒性最大。
A. CH≡CH
B. CH2=CH2
C. CH3CH3
D. 三者毒性一样大
[单项选择]化合物CH3CH(CH3)CH2C三CH的名称是()。
A. 3一甲基-1-戊炔
B. 3一甲基戊炔
C. 2一甲基-1-戊炔
D. 4一甲基-1-戊炔
[单项选择]化合物C(CH3)3一CH(CH3)CH—CH2的名称是()。
A. 2,2,3一三甲基-4-戊烯
B. 2,2,3一三甲基-1-戊烯
C. 3,4,4一甲基-1-戊烯
D. 3,4,4一三甲基-1-戊烯
[单项选择]A sea anchor is().
A. a heavy anchor with an extra long line used to anchor in deep water
B. a cone shaped bag used to slow down the wind drift effect
C. a pad eye to which the sea painter is made fast
D. made of wood if it is of an approved type
[单项选择]Anchor shackles should have a breaking strength that is().
A. equal to the chains they are connecting
B. 25% more than the chains they are connecting
C. 50% more than the chains they are connecting
D. 100% more than the chains they are connecting
[单项选择]An anchor winch should be equipped with mechanical brakes capable of holding().
A. half the breaking strength of the mooring line
B. the full breaking strength of the mooring line
C. the maximum expected tension of the mooring line
D. 50% over the working tension of the mooring line
[单项选择]We()let go port anchor.
A. are going to
B. is going to
C. were going to
D. was going to
[单项选择]A measurement device for inspecting anchor chain is the().
A. slide rule
B. go-no-go gauge
C. derrick tape
D. amp probe
[单项选择]The safety stopper that prevents the anchor cable from running free if the cable jumps the wildcat is the().
A. riding pawl
B. devil's claw
C. buckler plate
D. spill pipe
[单项选择]The expression DROP ANCHOR means().
A. Hold anchor
B. Leave anchor
C. Let go anchor
D. Weigh anchor
[单项选择]Anchor capstans are used in some installation where the cable lifter rotates about a ().
A. horizontal axis
B. crankshaft
C. vertical axis
D. camshaft
[单项选择]Most anchor handling equipment incorporates () for mooring purposes.
A. cable lifters
B. spur wheels
C. bollard
D. warpends
[单项选择]ANCHOR IS ACROSS means that().
A. Anchor is cross the bow
B. Anchor is in the ground
C. Anchor is foul
D. Anchor is dragging