..EXAMEN DE INGLES 151-200

What is the simplest machine, and perhaps the most familiar one?. The lever. The gear. The wheel. The axle.

What alloys are primarily used in the construction of the semimonocoque fuselage?. The alloys of aluminum and metals. The alloys of aluminum and titanium. The alloys of aluminum and magnesium. The alloys of aluminum and copper.

What must be avoided when using mechanical cleaning material?. Using the cleaning material in close place. Breathing of the cleaning fumes. Eye and skin contamination. Damage to the finishes and surfaces.

What parts have the self-plugging (friction lock) blind rivets?. A rivet head with a hollow shank or sleeve and a stem that extends through the hollow shank. A rivet head with a solid shank or sleeve and a stem that extends through the entire shank. A plainhead rivet with a hollow shank or sleeve and a stem that extends through the special shank. A flathead rivet with a copper shank or sleeve and a stem that extends through the hollow shank.

What has to be considered during the selection of the type of materials to be used in aircraft cleaning?. The nature of the matter to be removed. The nature of the material to be cleaned. The help needed for a good cleaning. The knowledge of cleaning personnel.

What does the resultant force in a positive angle of attack have?. It has magnitude, longitude and force. It has magnitude, direction and location. It has lift, drag and effect. It has airfoil, chord and lift.

What is one rule for the location of the datum?. It has have an exact measure from the aircraft nose. It has to be known. It does not change during the life of the aircraft. It has to be close to the aircraft nose.

What are the main types of pins used in aircraft structure?. They are the roll pin, wire pin and cotter pin. They are the taper pin, flathead pin and cotter pin. They are the landing gear pin, nut pin and security pin. They are the safety clip pin, roundhead pin and roll pin.

How many ways of grouping aircraft instruments are there?. There are many ways of grouping aircraft instruments. There are two ways of grouping aircraft instruments. There are various ways of grouping aircraft instruments. The aircraft instruments distribution depend the cockpit size.

How many simple machines are there?. There are only two simple machines. There are only twenty two simple machines. There are eight simple machines. There are only six simple machines.

What form do the heating elements have in the electricity heated furnace?. Wire or ribbon. Cable or tape. Rule or lead. Round or square.

What may result, as a general rule, if furnaces are used at different temperature range?. The object will have extra strength. The results in work will be of different alloys. The results in work will be of superior quality. The results in work will be of inferior quality.

How many types of cleaning agents approved for use in cleaning aircraft are there?. Very few types. Hundreds of different types. About four or five different types. Many different types.

What advantages does the use of the semimonocoque fuselage construction have?. All construction have the same disadvantages. All construction have the same advantages. It has no advantages. It has a number of advantages.

What do propellers of aircraft powered by reciprocating or turboprop engines do with respect to the air?. Accelerate a small mass of air through a large velocity change. Accelerate a large mass of air through a small velocity change. Accelerate a large mass of air through a large velocity change. Accelerate a small mass of air through a small velocity change.

What furnishes the power needed to rotate the propeller blades?. The fire system. The pistons. The engine. The cylinders.

Where is typical to find the planetary sun gear system?. In many turbine and reciprocating engines. In an accessory reduction gearbox. In a propeller reduction gearbox. In a turbine reduction gearbox.

What must also know the people who maintain and repair aircraft?. Should have a knowledge of onward physics. Should have a knowledge of basic chemistry. Should have a knowledge of basic meteorology. Should have a knowledge of basic physics.

What limits oil pressure to the value specified by the engine manufacturer?. The oil cooler system. All the oil control system. The oil pressure regulator. The oil pressure relief valve.

Which is the most often used lift-modifying device, for small and large airplane?. The wing flaps and the leading edges. The main flight controls. The entire wing. The wing flaps.

What does the monospar wing incorporate in its construction?. Only one main longitudinal member. Two main longitudinal members. Several main longitudinal members. One main longitudinal member and one secondary member.

What determines the ratio of fuel to air in the mixture?. The aircraft speed. The mixture control system. The engine power. The aircraft altitude and actitude.

In what applications can be used the mechanical lock type of self-plugging rivet?. They can be used in the same applications as the friction lock rivet. They can be used in the same applications as the pullthru rivet. They can be used in the same applications as the bulbed cherrylock rivet. They can be used in the same applications as the roundhead rivet.

What is the maximum weight of an aircraft?. Is the weight of an aircraft showed in the scale. Is the maximum authorized load weight of the aircraft and the fuel. Is the maximum weight of the aircraft weighed in any moment. Is the maximum authorized weight of the aircraft and its contents.

Which airplane parts are equipped with an axle attached to the lower cylinder to provide for installation of the wheels?. The shock struts. The flaps. The engine. The main flight controls.

Which are the main structural parts of a wing?. The leading edge, the trailing edge and the chord line. The spars, the ribs or bulkheads and the stringers or stiffeners. The metal spar shapes, the skin and the stringers or stiffeners. The flaps, the aileron, the speed brakes or flight spoilers and the leading edges.

Which is the aircraft part that supports the aircraft during landing or while it is resting or moving about on the ground?. The five main parts of the aircraft. The airfoil and the power plants. The power plants. The landing gear.

What inspection process consists in magnetizing the part and then applying ferromagnetic particles to the surface area to be inspected?. The ferromagnetic inspection. The liquid penetrant inspection. The acoustic emission inspection. The magnetic particle inspection.

What are the fundamental laws governing the action of air about a wing?. The law of velocity and speed. The Bernoulli's principle. The Pascal's law of motion. The Newton's law of motion.

What must be carefully determined in any damaged part?. The adjacent part. The fastener of the part. The alloy of the part. The function of the part.

What must be known in order to know the density of a substance?. Its volume and composition. Its basic elements and atomic weight. Its weight and volume. Its composition and gravity.

What rivets are used on interior structures?. The shear strength rivet and the heat treat rivet. The countersunk head rivet and the solid rivet. The flathead rivet like the roundhead rivet. The brazier head rivet and the universal head rivet.

What is the first important consideration in the heat treatment of a steel part?. Is to know its physical composition. Is to know its chemical composition. Is to know the oven temperature. Is to know the cooling procedure.

What is the terminating component of the basic engine?. The jet nozzle. The tailpipe. The exhaust cone assembly. The thrust reverse.

In what consists the envelope method of covering wing with fabric?. Consist in glueing fabric over the metal to make an envelope or fold. Consist in embroidering cotton to make an envelope or sleeve. Consists in glueing fabric to make an envelope or sleeve. Consists in sewing fabric to make an envelope or sleeve.

What does the empty weight of an aircraft include?. Includes all operating equipment that has a fixed location and is actually installed in the aircraft. Includes all equipment weight that has a movable location and is actually checked. Includes some operating equipment that has a position and its airworthiness. Includes the entire operating equipment that has a fixed or movable location and is actually installed in the aircraft.

Where is located the discharge nozzle in a carburetor?. Directly in the manifold pressure. In the high pressure side of the carburetor. In the throat pressure side of the venturi. In the throat of the venturi.

In what numerals is the dial face of the typical altimeter graduated?. Is graduated with numerals from zero to nine inclusive. Is graduated with numerals, letters and symbols inclusive. The graduation depends on the airplane manufacturer. The graduation depends on the instrument manufacturer.

What is the density of a substance?. Is its volume per unit of weight. Is its weight per unit of volume. Is its color and weight per unit of volume. Is its chemistry composition and physical resistance.

In how many sections is the data sheet divided?. Into one or more sections. Into three or more sections. At least into twelve sections. Into four or six sections.

What temperature will indicate the cylinder head temperature indicator prior to operate the engine?. Will indicate the cylinder temperature. Will indicate the free outside air temperature. Will indicate any free temperature. Will indicate the engine general temperature.

What is the chord of an airfoil or wing section?. Is a rope used to tie the wing from the leading edge to trailing edge. Is a straight line which crosses the wing from the root to the wing tip. Is an imaginary straight line which passes through the section from the leading edge to trailing edge. Is a real straight line which unites the section from the leading edge to trailing edge.

What is the center of gravity range for an aircraft?. Is the aft and rear balance limits. Is the limits within which the aircraft must balance. Are all the distances that are considered during weighing. Is where the weigh is concentrated.

How may be considered the center of gravity in an aircraft?. As a point at which the balance of the aircraft is optimum. As a point at which all the weight of the aircraft is concentrated. As the rear and front point at which all the weight of the aircraft is limited. As a place where all the load in the aircraft is concentrated.

What does the carburetor have in order to shut off the fuel to stop the engine?. A fuel injection and a manual start system. An automatic selector valve in the carburetor. An idle cutoff system. A fuel control in the cockpit.

What does the carburetor air temperature gage indicate?. Indicate the cylinders temperature and the air around the carburetor. The quantity of the air that is in the cylinders. The temperature of the air before it enters the carburetor. The pressure and the temperature of the air after it enters the carburetor.

What does the blade flapping action create in a helicopter?. Creates an unbalance condition with resulting vibration. Creates a big lift condition with resulting in a smooth flight. Creates some additional drag and the engine has to develop more power. Creates a balance condition with resulting in less vibration.

What is used to design the basic component of a cable?. Numbers and letters. The wire metal. The amount of wires in each strand and the quantity of cables. The number of strands and the number of wires in each strand.

What is usually the most convenient location for temporary ballast?. The baggage compartment. The cabin compartment. The tail compartment. The wing root compartment.

What is the purpose of developing special tools and devices?. To help the mechanic make his home-work on time, complex and up to date. To help the mechanic make his job swift, the best and good. To help the mechanic make his work soft, relaxed and quickly. To help the mechanic make his work faster, simpler and better.