更多"A device used to enlarge the size o"的相关试题:
[单项选择]A device used to enlarge the size of an existing bore hole，having teeth arranged on its outside circumference to cut the formation as it rotates is a（n）（）.
A. Enlarger bit
B. Casing bit
C. Hole opener
D. Casing opener
[单项选择]The device used to limit engine torque at various engine speeds is called a （）
A. speed limiting governor
B. variable speed governor
C. constant speed governor
D. load limiting governor
[单项选择]The device used for preventing the passage of flames into enclosed spaces is called a （）.
A. flame relief valve
B. flame stopper
C. safety valve
D. flame arrester
[单项选择]A device used to tighten up remaining slack in wire rope when you are making up to a tow in inland waters is a（）.
A. tripping line
B. tripping bracket
C. norman pin
D. steamboat ratchet
[单项选择]The device used to store a charged pressure for a hydraulic starting system is called the（）
A. reservoir
B. hand pump
C. accelerator
D. accumulator
[单项选择]A sling is a device used in（）.
A. hoisting cargo aboard a vessel
B. hoisting personnel aboard a vessel
C. securing a small boat to a large vessel
D. hoisting the anchor
[单项选择]A hygrometer is a device used for determining（）.
A. the absolute temperature
B. atmospheric pressure
C. wind velocity
D. relative humidity
[单项选择]The safest device used to secure the end of the pendant wire when it is initially passed to the anchor handling vessel is a（）.
A. pelican hook
B. hydraulic deck stopper
C. connecting link
D. shackle
[单项选择]The device used for low-pressure control and high-pressure cutout on a compressor is called a（）
A. cutout
B. pressure controller
C. controller switch
D. cutout switch
[单项选择]Which tensioning device is used with chain to secure heavy vehicles aboard Ro-Ro vessels（）.
A. Chain lever
B. Buckle tensioner
C. Adjust-a-matic tensioner
D. Ratchet tensioner
[单项选择]A device commonly used to secure the pendant wire when it is initially passed to an anchor handling vessel is（）.
A. pelican hook
B. connecting link
C. shackle
D. retaining hook
[单项选择]The size of the discharge ring used for the efficient operation of a disk type purifier is dependent upon the（）
A. rated capacity of that purifier
B. viscosity of the oil being purified
C. maximum design speed of that purifier
D. specific gravity of the oil being purified
[单项选择]A hand held instrument used to measure distances between objects and the ship is a（）.
A. vernier
B. psychrometer
C. hygrometer
D. stadimeter
[单项选择]When latitude and longitude are used，these shall be expressed in（）（and decimals of a minute if necessary），north or south of the Equator and east or west of Greenwich.
A. Fathoms and meters
B. Miles and kilometers
C. Arc and degrees
D. Degrees and minutes
[单项选择]Halon from extinguishers used on a class B fire，should be directed（）.
A. at the top of the flames
B. at the base of the fire near the edge
C. in short quick bursts
D. toward the upwind side of the fire
[单项选择]How could lashing gear used aboard Ro-Ro vessels be stowed when not in use? （）
A. Drape along brackets
B. Leave in place while back loading cargo to save time
C. Hang vertically in the paint locker
D. All of the above
