更多"The joint formed when two steel pla"的相关试题:
[单项选择]The type of joint formed when a third small plate is riveted over two plates butted together is called a（）.
A. butted joint
B. lap joint
C. strap joint
D. stringer joint
[单项选择]The type of joint formed when an edge of one plate is laid over the edge of the plate to which it is riveted is a（）.
A. grip joint
B. strap joint
C. thread joint
D. lap joint
[单项选择]When two hosts are trying to communicate across a network, how does the host originating thecommunication determine the hardware address of the host that it wants to "talk" to?（）
A. RARP request
B. Show Network Address request
C. Proxy ARP request
D. ARP request
E. Show Hardware Address request
[单项选择]When two vessels are in immediate danger of collision，the stand-on vessel must（）.
A. abandon ship
B. assist in taking whatever action is necessary to avoid collision
C. hold course and speed
D. sound a distress signal
[单项选择]When two fire hose teams are attacking a fire they should（）.
A. use different fire hose pressures
B. use fire hoses of different sizes
C. not attack the fire from opposite sides
D. not wear protective clothing
[单项选择]When two DC generators operate in parallel, they are protected against motorizing by（）
A. blow out coils
B. governor relay
C. under voltage trips
D. reverse current trips
[单项选择]When two AC generators are being paralleled, the breaker should be closed with the synchroscope pointer mating in the （）
A. "slow" direction, just before the 12 o'clock position
B. "fast" direction, just after the 12 o'clock position
C. "fast" direction, just before the 12 o'clock position
D. "slow" direction, just after the 12 o'clock position
[单项选择]When two oil separators are working in series, they should work with （）
A. both as clarifiers
B. first one as clarifiers, second one as purifier
C. both as purifiers
D. first one as purifier, second one as clarifier
[单项选择]When two power-driven vessels are meeting on reciprocal or nearly reciprocal courses so as to involve risk of collision，they shall be deemed to be in（）.
A. crossing situation
B. head-on situation
C. restricted visibility
D. overtaking situation
[单项选择]When two lines are spliced together,（）.
A. The size of the lines at the splice decreases
B. They are stronger than if knotted together
C. The overall strength of each line is increased
D. The bitter ends will resist rotting
[单项选择]When two different metals are joined to form a closed circuit and exposed to different temperatures at their junctions （） which can be used to measure temperature.
A. a current will flow
B. a power will develop
C. a heat will flow
D. a pressure will produce
[单项选择]When two power-driven vessels are meeting head-on and there is a risk of collision,each shall（）.
A. stop her engines
B. alter course to starboard
C. sound the danger signal
D. back down
[单项选择]When two vessels are in sight of one another and NOT in or near an area of restricted visibility，any of the following signals may be given EXCEPT（）.
A. a light signal of at least five short and rapid flashes
B. one prolonged，one short，one prolonged，and one short whistle blasts
C. four short whistle blasts
D. two short whistle blasts
[单项选择]Which vessel is the stand-on vessel when two vessels crossing in fog are NOT in sight of one another（）.
A. The vessel which has the other on her own starboard side
B. The vessel which has the other on her own port side
C. The one which hears the other's fog signal first
D. Neither vessel is the stand-on vessel
[单项选择]Prior to closing the breaker when paralleling two AC generators, the recommended practice is to have the frequency of the incoming machine （）
A. slightly less than the line frequency
B. the same as the line frequency
C. slightly greater than the line frequency
D. All of the above
[单项选择]When paralleling two AC generators, the frequency of the machine coming on-line, immediately prior to closing its breaker, should be （）
A. slightly less than the oncoming generator frequency
B. the same as the bus frequency
C. slightly greater than the bus frequency
D. the same as the bus voltage
