更多"A tool consisting of a handle and r"的相关试题:
[单项选择]The maritime radio system consisting of a series of coast stations transmitting coastal warnings is called（）.
A. NAVTEX
B. HYDROLANT/HYDROPAC
C. NAVAREA
D. SAFESEA
[单项选择]A fog signal consisting of one prolonged blast followed by four short blasts would indicate thepresence of a（）.
A. vessel being towed
B. fishing vessel engaged in trawling
C. vessel at anchor warning of her location
D. power-driven pilot vessel on station underway
[单项选择]A light signal consisting of three flashes means （）.
A. I am in doubt as to your actions
B. My engines are full speed astern
C. I desire to overtake you
D. I am operating astern propulsion
[单项选择]A company has a small network,consisting of a single switch and a single router.The switch has been configured with two vlans,and route-on-a-stick is being configured on the router for inter-vlan routing.A trunk is configured to connect the switch to the router.What is the minimum number of router subinterfaces that are required for all the vlans to communicate?（）
A. one
B. three
C. two
D. zero
[单项选择]On the high seas，a fog signal consisting of one prolonged blast followed by four short blasts would indicate the presence of a（）.
A. vessel being towed
B. fishing vessel engaged in trawling
C. vessel at anchor warning you of her location
D. power-driven pilot vessel on station underway
[名词解释] PCR（polymeraAse chAin reaction）
[单项选择]（）is the chain?
A. How
B. What
C. Why
D. How about
[单项选择]Deficient oxygen content inside a chain locker can be detected with（）.
A. litmus paper
B. a combustible gas indicator
C. an oxygen breathing apparatus
D. an oxygen indicator
[单项选择]Chain slings are suitable for heavy slender articles, such as（）.
A. timber or steel rails
B. locomotives or boilers
C. railway passenger coaches
D. motor vehicles
[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]A chain stripper is used to（）.
A. prevent chain from clinging to the wildcat
B. clean the marine debris from the chain
C. flake chain from a boat's chain locker
D. clean chain prior to an x-ray inspection
[单项选择]A chain bridle is used when towing astern because it（）.
A. is easy to connect
B. provides an effective catenary and absorbs shock due to its weight
C. makes rigging a swivel unnecessary
D. prevents the tow from yawing by the drag of the chains in a seaway
[单项选择]Chain suspension ladders on a ship must be replaced by fixed ladders if the required chain suspension ladder（）.
A. has been sent in for repair
B. cannot be supported against a vertical flat surface
C. does not extend to the water when the ship lists 15 degrees
D. is not equipped with vertical guard rails on either side
[单项选择]A design modification of an anchor chain which prevents kinking is the（）.
A. detachable link
B. stud link
C. Kenter link
D. connection link
