Mousing a cargo hook with marline or small line（）.

A . Danger of heavy ship sweat exists; constant and vigorous ventilation is required B . There is danger of heavy cargo sweat if outside air is introduced by ventilation C . There is little danger of ships sweat, slight possibility of cargo sweat; moderate ventilation is needed D . The po sibility of any sweat problem, either cargo or ship, is frame

A . hoisting a windsail B . parceling C . sewing canvas D . testing canva

A . Make periodic inspections of bilges B . Keep the barge under constant surveillance C . Have a properly certificated tankerman or at least one licensed officer on board the towing vessel D . Verify ullage reading

A . maximum working pressure B . bursting pressure C . safety relief valve setting D . maximum temperature

A . require loading operations to be shut down until the atmosphere clears B . are toxic to human life C . are subject to spontaneous combustion D . may be explosive in some concentratio

A . A flashing yellow light B . A red light visible all around the horizon C . A green light visible all around the horizon D . An illuminated red and yellow caution flag

A . pike pole B . jack staff C . line rod D . hooker

A . can be released while under strain B . is used for boat falls C . is used for extra heavy loads D . is used for light loads only

A . Oil is discharged from the impeller through the outlet B . Gravity causes the oil to flow toward the discharge C . The self-priming feature of the centrifugal pump enables it to draw its own suction as it starts D . The discharge capacity varies directly with the speed of the impeller

A . You must have two toxic vapor detectors or the pumproom must meet special requirements B . Each crew member must be provided with an emergency escape breathing apparatus C . A person taking cargo samples must wear protective clothing D . If you are also carrying allyl alcohol，the venting systems must be segregated

A . stow B . stowing C . stowed D . be stowed

A . faking B . flemishing down C . mousing D . worming

A . COW B . LOT C . CBT D . coferdam

A . increases as the boom's angle to the horizontal increases B . is at a maximum when the boom is at a 45° angle to the horizontal C . increases as the boom's angle to the horizontal decreases D . decreases as the boom's angle to the horizontal decrease

A . The amount of take-up is limited by the length of the turnbuckle B . At the grab (pear) link，the slack end of chain should be led back and secured to the chain above the link C . The lashings should be inspected each day and any slack taken up D . The turnbuckle should be secured with a stick or lock nut

A . 5% or less B . 10% or less C . 15% or less D . 20% or le

A . You must have two toxic vapor detectors or the pumproom must meet special requirements B . Each crew member must be provided with an emergency escape breathing apparatus C . A person taking cargo samples must wear protective clothing D . If you are carrying propionic acid also，the venting systems must be segregated

A . beats B . beasts C . bacons D . batte

A . tug's engineroom or the bow B . pilot house or aft steering station C . forecastle D . towing bitts by reaching over and releasing a lever

A . The cargo block should be tightly packed if the cargo is suitably chilled upon delivery to the vessel B . Both sides of each crate must be checked for the temperature and the appearance of the fruit C . The cargo block should be stowed with air channels built throughout the stowed cargo D . The crates should NEVER be stowed brick fashio

A . Danger of heavy ship sweat exists； constant and vigorous ventilation is required B . There is danger of heavy cargo sweat if outside air is introduced by ventilation C . There is little danger of ship's sweat，slight possibility of cargo sweat； moderate ventilation is needed D . The possibility of any sweat problem，either cargo or ship，is remote

A.Start the exhaust blowers B.Start the intake blowers C.Not ventilate the cargo holds D.Ventilate the cargo holds