Which of the following is a block having two sheaves of different diameters, placed in the same plane one above the other ?

A chain bridle is used when towing astern because it?

Pedestal cranes have limit switches to restrict the movement of which function?

When required to work in an area where explosive gases may accumulate, you should use hand tools which are ?

How should you signal the crane operator to lower the boom and reaise the load ?

Which of the following statements is/are TRUE regarding crane operations?

In perpartaion for receiving chilled reefer cargo, the reefer space has been precooled for over twentyfour hours. Loading may begin when the space has been cooled to a temperature between

After installing a new hydraulic pump in a system, what special attention should be given to the hydraulic system?

The midships house of your break bulk ship is constructed with an interior stair tower from the main deck to the bridge. Under what circumtances may the doors from each doors from each deck to the stair tower be kept open when underway?

How can the error be corrected when writing in the official log book?

What is the curve representing vertical sections parallel to the cental longitudinal vertical plane of the bow end of a ship

Which of the following statement(s) is / are FALSE a twin pedetal crane set

Which space(s) is (are) NOT exempt when measuring gross tonnage?

if a leak is suspected in a tube heat exchanger, what would be the first to checked?

Which statement concerning the lashings of containers with solid bar or wire rope lashings is TRUE ?

On a vessel proceeding from a very cold to a warm climate with a cargo of non-hygroscopic nature in the holds, which is TRUE?

A package contains nitric acid solution and is radioactive. The radiation level at the package surface is .36 millirems per hour. How should this package be labeled?

Who should be notified prior to starting up a crane?

Certain cargoes must be segragated because of their

Which of the following is an outside are on a vessle's hull from bow stern between certain waterlines to which special air, water, and grease-resisting paint applied?

Routine maintenance on a Central Control Room hermitically sealed air conditioning unit should include

Which of the following statements is TRUE regarding crane operations?

The best way to lift many small articles aboard your vessel is to use with a?

Which cargoes require strips of common building lathe as dunnage in order to carry away heat generated by the cargo?

Which is black tarlike' composition largely asphalt containing such other ingredients as rosin, portland, cement, slaked lime, petroleum that is used as protective coating in ballast and trimming tanks, chain lockers, shaft alleys, etc?

Which of the following is a hatchway or opening in a deck provided with a set of steps or ladders leading from one deck level another for the use of personnel?

Before doing any work on a hydraulic system equipped with accumulators, you should

The most important rule for the safe operation of boiler is to

You must shore up the collision bulkhead due to solid flooding forward. The bulkhead approximates an inverted triangle. The center of pressure of the shore on the bulkhead should be located

You are requisitioning stores for your tank vessel. What type of matches are permitted aboard?

Why does many of the micrometers are equipped with a racket stop at the end of the timble?

What should be done if localized scoring is discovered on the pump shaft sleeve during routine maintenance inspection ?

Which part of conventional cargo gear rig provides for vertical control and positioning of a boom?

Which is a piece of plate adjoining the hawse hole, prevent the chafing of the hawser against the cheek of a ship's bow?

To insure proper seating when closing a valve on a tank, what position should the valve be in?

A kind of non-mettalic minerals that can withstand very high temperature and unaffected by steam, petrol paraffin, fuel oil lubricants, is the

When must be the master of a vessel log the position of load line marks in realtion to the surface of the water in the offcial log book?

The process of using zinc, a metal that is resistant to atmospheric corrosion when using a coating for protecting steel is called

When fueling, it is important to ground the ship with reagard to static electricity, Therefore, you must connect the ?

What is smooth, tapered pin, usually of wood, used to open up the strands of a rope for spicing?

Which pieces(s) of equipment is/are required to "twin-up" 30-ton pedestal cranes aboard a crane vessel ?

What would be prima facie evidence of unseaworthiness?

Which of the following states that the energy existing in a system as a result of relative forces of two or more objects?

To avoid shock pressures in the fuel oil filling hoses while you are topping off tanks, the

The normal and safest way for a s sailor to be lowered in a bosun's chair when descending vertically is ?

Which is a roof like canopy canvas suspended above a vessel's decks, bridges, etc., for protection against sun and weather ?

What part of the ground tacke is the most likely to develop fractures due to extensive anchor use ?

Which actions(s) are included in crane operation?

How should you signal the crane operator to move slowly?

The driving forces of heat transfer by conduction is best described by the

When your are securing a steam- reciprocating pump, which valves should you leave open?

Which can be prevented only by segregating two lots of cargo into separate holds?

Which is an inclined platform, fitted at the intersection of the forward weather deck and the shell, for stowing an anchor?

Containers of flmmable solids should be conspicuously labeled by the shipper with a

How should you signal the crane operator to lower the boom?

What is the term applied where one flange of a bar is bent from an obtuse angle with the other flange?

Accordi8ng to the regulations, what fire safety control feature is required in quick closing shut off valves?

The maximum theoritical stress that can be developed on a guy in a yard and stay rig is limited by the?

If the water level cannot be seen in the lower part of the boiler gage glass, which of the following action must be carried out immediately?

Which of the following is a structure built up around amust from the deck to support the heel bearing booms and and to provide proper working clearances when a number of booms are installed on or around one mast?

What is the term applied where one flange of a bar is bent to form a acute angle with the other falnge?

When there is excessive formatin of frost in the evaporator coils, what should happen?

Why is it necessary to transfer fuel oil to the settling tanks, for what purposes?

Which statement about the ventilation of bulk coal is TRUE?

Which is characteristic of a "special cargo"

Which safety precaution(s) should be observed during crane operation?

What is an electrical grounding of a vessel?

When a fuel oil tank is being topped off during bunkering operation, the tank valve should be closed

In order to prevent overheating of the packing in the stern tube stuffing box, what should you do?

Which one of the following mehtod of unloading a low pressure air compressor at start-up is accomplished by?

Corrosive liquids and acids should have which kind of label?

How is the maximum bursting presure for each cargo hose assembly determined?

Before teh longitudinal carriage feed of lathe is engaged, you must be certain the

What guide the information on the treatment of illness, which are of a general nature and not predomiinantly concerned with chemical poisoning may be found?

The process that occurs when heat is generated by a chemical reaction within a substance and continues to a point of ignition is known as

What is a joint formed when two steel plates are placed end-to-end?