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WorksheetsMock Test - Unit 303 Marine Engineering
Total questions: 62
Worksheet time: 31mins
What is the reason for connecting an engine to a Z drive?
To allow for rapid changes in thrust direction and thus vessel direction. This eliminates the need for a conventional rudder.
For generating the big wakes
For maneuvering in shallow waters
For maneuvering in shallow waters
The Flashback Arrester on an Ocy-acetylene welder should be fitted between the
Between the regulators and the hoses
Between the regulators and the tanks
Between the hoses and the regulators
The check valves and the torch
Which of the following is used to maintain domestic water pressure on a yacht?
Calorifier
Water Pump
Gravity
Hydraulic actuators
What is the purpose of a trailing log on a boat?
For measuring the speed of a vessel through the water
For supporting the structure of the transom
For measuring the depth of the water
For marking the water line
What is the purpose of a Gallery bolt?
For fastening engines to wooden engine beds
For use in boat framing
For use in narrow rudders sections
For use in scarf joints
Which adhesive sealant is commonly used to secure marine glazing systems?
Epoxy resin
Polyurethane
Casein
PVA
what is this?
Female mould
Female plug
Male mould
Male plug
Dorade vents should remain water-tight how?
An electrical sensor that detects water, and closes the vent
By using a bedding and sealing coumpound to ensure no water can enter the vent
By allowing air to pass relatively freely through the chambers, whilst trapping water in successive chambers to drain out the small holes
A spring-loaded mechanism that closes the vent below as soon as water falls on it, and drains to let the water out.
Fittings that are subject to heavy loadings should be fastened with?
Blind bolts
Through bolts
Coach screws
Round head screws
The most effective method of fixing the position of a yacht at sea is by using
Sextants
Areollial
Chart plotter
Navigational charts
What does the acronym EPIRB stand for?
Emergency position indicating radio beacon
Electronic position indicating radio beacon
Emergency position indicating radar beacon
Electronic position indicating radar beacon
Which one of the following timber solutions contain copper naphthenate
Varnish
Paint
Preservative
Two-pack epoxy
Which organisation is concerned solely with marine electrical installations is
DTI
BMEEA
Lloyd's Register
Boat safety scheme
On a drawing scale of 1:50, 55mm represents a full size measurement of
275m
27.5m
2.75m
0.275m
On an Oxyacetalyne gas set, the oxygen noses can be identified because they have which of the following?
left-handed threads
Left-handed threads and are maroon in colour
Right-handed threads
Right-handed threads and are blue in colour
To cut steel, or sheets of steel, which of the following would I use?
Jig
Former
Saddle
Template
Early warning of a leak where would the gas alarm sensor be
Under the coach roof (Gas is lighterter than air)
By the companionway (Gas is drawn to the opening
In the bilge (Gas is heavier than air)
By the cockpit drains (Gas is sucked in by the drains)
Manganese changing colour to red/pink is a sign of
Erosion
Oxidation
De-zincification
Fatique
What is a Sampson post used for
A strong post at the bow that provides a strong attachment point for the anchor cable, or for mooring and towing warps
A device to guide a line, rope or cable around an object, out of the way or to stop it from moving laterally.
A machine used on ships that is used to let-out and heave-up equipment such as a ship's anchor or a fishing trawl.
A tall upright post, spar, or other structure on a ship or boat, in sailing vessels, generally carrying a sail or sails.
A type of vent that permits the passage of air in and out of the cabin or engine room of a boat while keeping rain, spray, and sea wash out is known as a
Dorade
Tabernacle
Davit
Seacock
A covered opening in a ship's deck through which cargo can be loaded or access made to a lower deck is known as a
Hatch
Companionway
Dorade
Lazzarette
Core materials are designed to
Ensure that the laminate is thinner, and in turn, increasing the weight and reducing stiffness.
Provide thickness to a laminate, and in turn, increase the stiffness keeping weight to a minimum.
Provide Insulation to the vessel and keep it warm year-round.
Provide grater bouncy to the vessel
What type of drawing is shown here?
General Arrangement Drawing
Orthographic Drawing
Isometric Drawing
Construction Plan
The measurement of the lateral main deck curvature is known as
Beam
Tumblehome
Camber
Freeboard
An upright wall within the hull of a ship, particularly a watertight, load-bearing wall is known as a
Deckhead
Bulkhead
Transom
Bulkwall
A view of the boat from both dead ahead and dead astern split in half is the
Profile View
Body Plan View
Half-Breadth View
Waterlinew View
The abbreviation LBP stands for
Lenth between points
Liquified butane propane
Length between parallels
Length between perpendiculars
Which conic section is shown here?
Hyperbola
Circle
Elipse
Parabola
Which of these is a method os calculating the areas of irregular shapes?
Newton's first law
Simpson's First Rule
Ohms Law
Pythagoras Theorem
What is the purpose of this tool?
it locks in place
it can lock into position to get a better grip
it's a vise grip that helps to get stripped screws out
it adds more pressure
What is this tool called?
bevel gauge
angler
time saver
bevel thing
An automatic electric bilge pump on a yacht must be installed with a
Strainer and float switch
Shut off valve and drainage pipe
Strainer and remote switch
Drainage pipe and remote switch
The name given to the stiffening/support component linking a beam shelf and deck-beam is a
Carlin
Eking Piece
Lodging Knee
Hanging Knee
Which of the following states the purpose of the squared section under the head of the bolt?
Strengthen the head
Prevents the bolt turning
Allows the washer to bed in
Allows it to be driven by a hammer
The rust shown in the image is a result of
Galvanic Corrosion
Oxidation
Electrolytic action
Strong current
Fixing a skin fitting below the waterline, which of the following sealants would used?
Red lead and tallow
Polyurethane mastic
Silicone sealant
Linseed Oil Putty
Setting out rod should be drawn out to a scale of
1:1
1:4
1:2
1:5
What is the method of planking used on the boat shown in the image?
Clinker
Cold Moulded
Carvel
Double Diagonal
What is the method of planking used on the boat shown in the image?
Clinker
Carvel
Cold Moulded
Double Diagonal
In the case of an emergency which of the following would be used when out of sight of land
Torch
Distress rocket
Mirror
Hand flare
Which of the following the most used method of calculating area and volumes with curved edges?
Rules of thumb
Algebraic theorem
Simpsons rule
Pythagoras theorem
The special tool used to mark out the holes for a bow thruster or house pipe is called a
Spiler
Dummy stick
Scribe
Shepherds crook
Which of the following commonly used marine timbers is classified as a softwood?
Balsa American
Teak
White Oak
Sitka Spruce
Which of the following plastics is classified as a thermo setting plastic?
Epoxy
Acrylic
Polypropylene
Polycarbonate
A gallery bolt in traditionally wood boat construction features which one of the following?
A round hole cut into the side of the engine beds
Opening in the deck to enable an eye bolt to be attached
A slot cut into a frame to allow a nut to be inserted
An attachment to be fixed to the rigging
A sailing boat with a yawl rig is defined as having which of the following?
Two masts with the forward mast being taller that the aft
Two masts with the aft masts being forward of the rudder
Two masts with the aft mast being aft of the rudder post
One mast with two head sails
Which of the following timbers has the best steam bending properties?
Teak
Canadian Rock Elm
Mahogany
Columbian Pine
In FRP marine construction ‘primary bonding’ are bond made between?
Two previously cured or gelled laminated parts
Laminates which have been cured for more than 12 hours
Tack free laminated and successive in place lay-up
Plies of reinforcement laid and cured the same time
When building a traditional wooden yacht, which of the following applies to the stinger?
It is removed after planking
It remains until after planking
It is removed after timbering
It remains as a structural member
Which of the following defects is most likely to occur during seasoning?
Knots
Bowing
Waney Edge
Thunder Shakes
Oxide film which protects aluminum is
Anodizing
Sherardizing
Galvanizing
Electro plating
When paying up the seams of a traditional wooden deck which compound would be used?
Epoxy with black graphite filler
Polyurethane
Pitch
Linseed oil
A cutter rigged sailing vessel has
Two head sails as separate stays
A spinnaker
One top sail
A lead sail
What is the primary purpose of bilge keels?
Prevent rolling at sea and Protects hull when grounding
Provides directional stability
Prevent boat gaining leeway
Provide ballast for the boat
Staples are used in
Carvel
Cold moulded and double diagonal
Clinker
Plywood
Which of the following is classed as non-ferrous metals?
Stainless steel
Cast iron
Bronze
Mild steel
Coating Iron or Steel with a protective layer of zinc is
Anodizing
Electro plating
Sherardizing
Galvanizing
The following yacht is a
Sloop
Cutter
Ketch
Yawl
The following picture shows a
Sloop
Cutter
Ketch
Yawl
Which of the following plastics is classified as a thermo-plastic?
Epoxy
Acrylic
Vinylester
Polyester
Which of the following is classified as a softwood
Douglas Fir
American Oak
Balsawood
Iroko
The following picture shows a
Split pin and brace
Windlass
Pintle and Gudgoen
Chain plate
