Which part of a conventional cargo gear rig provides for vertical control and positioning of a boom（）.

A、Cargo whip

B、Gooseneck fitting

C、Spider band

D、Topping lift

查看正确答案

更多“Which part of a conventional cargo gear rig provides for vertical control and positioning of a boom（）.”相关的问题

第1题

[单选题] The microsecond unit of time is used in radar applications. The microsecond represents which of the following?（）.

A、one-millionth part of a second B、one-thousandth part of a second C、one-hundredth part of a second D、one-tenth part of a second

点击查看答案

第2题

[] The standing part of a tackle is（）.

A、A.all the fall except the hauling part B、B.the hook that engages the weight to be moved C、C.that part to which power is applied D、D.that part of the falls made fast to one of the blocks

点击查看答案

第3题

[单选题] The total magnetic effects which cause deviation of a vessel’s compass can be broken down into a series of components which are referred to as（）.

A、divisional parts B、coefficients C、fractional parts D、equations

点击查看答案

第4题

[单选题] Which of the following item is the cause to the damage of parts and excess wearing?（）

A、overload B、the odds of the load C、the default of parts D、overload and the odds of the load

点击查看答案

第5题

[] Given the following DDL for the PARTS table:CREATE TABLE parts (part_no INT(9) NOT NULL, part_name VARCHAR(24), part_remain INT(9));All part numbers entered will be different and all rows should be displayed in order of increasing part numbers whenever the table is queried. Which of the following create index statements will meet this criteria and require the least amount of storage for the index object?（）

A、A.CREATE UNIQUE INDEX idx_partno ON parts(part_no) B、B.CREATE UNIQUE INDEX idx_partno ON parts(part_name ASC) C、C.CREATE UNIQUE INDEX idx_partno ON parts(part_name, part_no ASC) D、D.CREATE UNIQUE INDEX idx_partno ON parts(part_no, part_name ASC)

点击查看答案

第6题

[单选题] The exhaust ports are located around the lower part of the cylinder liner, （）the products of combustion are driven by scavenging air.

A、in which B、by which C、through which D、from which

点击查看答案

第7题

[单选题] A centrifuge of which the bowl is arranged as the upper and lower parts separate discharges the sludge（）

A、by opening the separator manually B、by separating the lower part from the upper part automatically C、by separating the upper part from the lower part automatically D、continuously

点击查看答案

第8题

[单选题] Scavenging in a four-stroke/cycle diesel engine occurs during the （）.

A、last part of the exhaust stroke, and the first part of the intake stroke B、last part of the intake stroke only C、early part of the injection stroke only D、early part of the power stroke