更多"A single fitting installed in a pip"的相关试题:
[单项选择]A single fitting installed in a pipeline that either blanks off the pipe or allows a full flow passage of a liquid through the pipe is referred to as a（）.
A. blind flange
B. pivot coupling
C. quick-release coupling
D. spectacle flange
[单项选择]A gate valve installed in a pipeline should be （）.
A. used in either the fully dosed or fully opened position
B. installed with the stem down
C. used for steam service only
D. used to throttle or regulate the flow of liquid
[单项选择]A vessel servicing a pipeline during the day shall display（）.
A. three black shapes in a vertical line; the highest and lowest are balls，and the middle one is a diamond
B. three shapes in a vertical line; the highest and lowest are red balls，and the middle one is a white diamond
C. three black balls in a vertical line
D. two black balls in a vertical line
[单项选择]LFG tank and pipeline maintenance should include（）.
A. exclusion of all sand and solid matter
B. cleaning with clean fresh or sea water
C. examination for fractures and pitting
D. All of the above
[单项选择]What fitting on the mast works in conjunction with the shrouds to control side bend of the mast?（）
A. Chainplate
B. Hound
C. Crowfoot
D. Spreader
[单项选择]The fitting of an efficient radar reflector is likely to considerably increase the ship’s probability of（）.
A. detection
B. being detected
C. the detective
D. the detected
[单项选择]What purpose does a bridge fitting serve when lashing containers?（）.
A. Ties a container stack to the deck
B. Ties a container to the container below it
C. Restrains racking loads
D. Restrains the container against horizontal motion
[单项选择]Intercoolers installed on starting air compressors, reduce the possibility of（）
A. dust entering the high pressure stage
B. lube oil carbonization
C. discharge pulsations
D. inter-stage vapor lock
[名词解释]Single Dimension Array
[单项选择]A swing check valve is used in a pipeline to （）.
A. maintain a preset pressure on the line
B. closely regulate the amount of flow
C. relieve excessive pressure on the line
D. allow flow in one direction only
[单项选择]Cross scavenging requires the fitting of （） to prevent air or exhaust gas escape when the piston is at the top of the stroke.
A. a exhaust valve
B. a piston skirt
C. a piston crown
D. an air suction valve
[单项选择]The circular steel structure installed around the propeller of a towboat is the（）.
A. nozzle
B. shroud
C. strut
D. hood
[单项选择]The hinge fitting used to attach the boom to the mast is the（）.
A. gooseneck
B. step
C. swivel
D. pintle
[单项选择]Which fitting is used to connect the boom to the mast? （）
A. Clevis pin
B. Gunter-lug
C. Gooseneck
D. Transom
[单项选择]A deck fitting, used to secure line or wire rope, consisting of a single body with two protruding horns is called a（）.
A. bitt
B. bollard
C. capstan
D. cleat
[单项选择]After fitting back in place the gear wheels, don’t forget to （） them.
A. fulfill
B. eliminate
C. grease
D. bend
[单项选择]A system administrator installed a new switch using a script to configure it. IP connectivity was tested using pings to SwitchB. Later attempts to access NewSwitch using Telnet from SwitchA failed. Which statement is true?（）
A. Executing password recovery is required.
B. The virtual terminal lines are misconfigured.
C. Use Telnet to connect to RouterA and then to NewSwitch to correct the error.
D. Power cycle of NewSwitch will return it to a default configuration.
[单项选择]Three access ports have been installed and configured to a small office.What term defines the wireless topology?（）
A. IBSS
B. BSS
C. ESS
D. SSID
