In a bypass type lubrication system for a diesel engine, the dirty oil line to the centrifuge should be taken from the _____.

A:lube oil pump suction line B:lube oil pump discharge line C:bottom of the lube oil sump D:outlet from the lube oil header

A pressure drop through the refrigerant liquid line may cause _____.

A:solenoid valve to seize B:compressor to hunt C:formation of flash gas in the liquid line D:expansion valve to freeze open

Line losses in a distribution circuit are kept to a minimum by _____.

A:adding rubber insulation conductors to the circuit B:using higher current and lower voltage increasing the C:number of thermal relays in the circuit D:using higher voltage and lower current

A pressure drop in the liquid line of a refrigeration system may cause________.

A:the solenoid valve to seize B:the compressor to hunt C:flash gas to form in the liquid line D:the expansion valve to freeze open

In the event of failure of an auxiliary such as a lubricating pump, the standby pump is started and put on the line automatically “the line ” in this sentence refers to .

A:fuel manifold B:lubricating pipe line C:auxiliary engine pipe line D:generator output line

"On a strength for strength basis, the size of a manila line should be more than______ times that of a synthetic fiber line．

A:2 B:1.7 C:6 D:5"

"A manila line which has a life of 2 years, is substituted by a synthetic fiber line in the same size． The life of the new line is about ______ years．

A:4 B:3.4 C:12 D:10"

If a vessel under tow starts jumping on its tow line，the most appropriate action to alleviate the condition is to ______．

A:Change course B:Slow down C:Heave to D:Adjust tow line length"

A line of position from a celestial observation is a segment of a ______．

A:circle of equal altitude B:parallel of declination C:parallel of altitude D:vertical circle"

The broken magenta line which runs parallel to the shore between Roanoke Point and Mattituck Inlet marks a ______．

A:Fish trap area B:Pipeline C:Demarcation line D:Cable area"