SP AME TEST 1

The cuobe root of 99 divided by the square root of 1 1s. 4.6261. 0.4626. 0.046261. 0.0046261.

The volume of a cylinder measuring 12 inches in diameter and 10 inches in height is. 565.0 cubic inches. 1130.0 cubic inches. 2261.9 cubic inches. 4523.9 cubic inches.

1 microvolt is equal to. 10³ volt. 10⁵ volt. 10⁻⁶ volt. 10⁶ volt.

In the triangle illustrated, cosine A₁ is equal to. X/A. Z/X. X/B. Y/X.

If the volume and the absolute temperature of a confined gas are doubled, the pressure will. be halved. be doubled. be quadrupled. not change.

Olf the following. the liquid with the lowest specific gravity is. .72 asoline. 1.0 water. .82 kerosene. 13.6 mercury.

power may be defined as: Force X Time ------------------ distance. Time X Distance ---------------------- Force. Time ------------- Force X Distance. Force X Distance ----------------------- Time.

The gear ratio of the following planetary gear system is. 1:1. 3:2. 2:1. 3:1.

horsepower is equal to. 5350 ft-lb per square inch. 550 ft-lb per minute. 33,000 ft-lb per second. 33,000 ft-lb per minute.

The air that we breathe is a physical mixture of gases of which approxirmately. 2% is nitrogen and 98 % is oxygen. 21% is nitrogen and 78 % is oxygen. 78% is nitrogen and 21 % is oxygen. 98% is oxygen and 2% is other gases.

The law that stltes: An inerease in pressure at any point in a confinged liquid wil produce an equal increase in the pressure at every other point in the 'liquid." is. Dalton's law. Pascal's law. Boyle's law. Avogadro's law.

The speed of sound in air is dependent on. the altimeter setting. air pressure. air temperature. both air pressure and air temperature.

The atmospheric pressure at sea level is approximately. 712 millibars. 29.92 inches of water. 14.7 p.s.i. 2992 inches of mercurv.

The temperature at which humid air, when cooled at constant pressure becomes saturated is called. the dew point. the isobaric point. the inversion point. the relative temperature.

As the temperature of a transistor inereases above normal operation range. the electron flow across the junction changes direction. the semiconductor maleriai from which it is constructed takes on the characteristics of a nonconductor. the electron activity within the transistor decreases. its electrical resistance decreases.

The current through a 500 watt, 100 ohm load (resistance) is. 1.12 amperes. 2.0 amperes. 2.24 amperes. 5.0 amperes.

The electrolyte used in a Ni-cad battery is a. 30% solution of potassium hydroxide. 70% solution o potassium hydroxide. 30% nickel and 70% cadmium hydroxide solution. 30 % nickel and 70% potassium hydroxide solution.

A 400 Hz AC circuit contains a 5 henry coil. The inductive reactance in the circuit is. 796 0hm. 796 henry. 12,560 ohm. 12,560 henry.

When AC power is applied to a capacitive circuit, the current. The current lags the voltage by 90 degrees. The current leads the voltage by 90 degrees. The current lags the voltage by 180 degrees. The current leads the voltage by 1 80 degrees.

The color used to identify the terminal lug of a 20 gauge aircraft wire is. red. blue. yellow. orange.

The symbol depicted below represents a. tunnel diode. PNP transistor. unijunction diode. field effect transistor.

The total resistance of three 47 ohm resistors connected in parallel is. 1.41 ohm. 1.56 ohm. 14.1 ohm. 15.6 ohm.

The working voltage of a capacitor to which AC or pulsating DC is applied should be. .707 timnes the applied voltage. 1.41 times the applied voltage. at least 50% greater than the applied voltage. the same as or greater than the applied voltage.

The binary number equivalent to the number 9 in the decimal number system is. 0110. 1001. 1010. 1011.

The function of the logic symbol depicted below can also be accomplished by. an "Or" gate. an "Nor" gate. a negative "Or" gate. a negative "And" gate.

A logic device has a voltage at its output only when there is no voltage on any input is. an "And ' gate. an 'Nand" gate. a "Nor" gate. an inverter.

The ability of a metal to be permanently deformned by drawing or pulling it is known as. hardness. ductibility. britleness. malleability.

Monel is an alloy consisting of. 10% nickel, 88% steel, 2% others. 20% nickel, 78% steel, 2 % others. 68 % nickel, 29 % copper, 3 % others. 68% nickel, 22 % copper, 10 % steel, 2 % others.

The alloy which has the highest strength-lo-weight ratio when combined with aluminum is. zinc and aluminum. steel and magnesium. chrome and nickel. aluminum and magnesium.

The tensile strength of metals is usually measured in. foot-pounds. square inches per pounds. foot-pounds per square inch. thousands of pounds per square inch (70 KSI).

A material's resistance to the forces lending to tear it at the point of the applied load is. the shear strength. the bearing strength. the yield strength. the tensile strength.

The color of grade 100 high-lead aviation gasoline is. green. blue. straw. red.

The term "Wide cut" used in aviation fuel means. a kerosene type of fuel. an AVGAS type of fuel. a jet fuel containing both naphtha and kerosene. a jet fuel containing AVGAS and Jet-A or Jet-B.

The color band on a line carrying hydraulic fluid is. Blue and yellow. Grey and blue. Green and yellow. Orange and blue.

A hydraulic fluid which has a good resistance lo combustion and a low degree of evaporation at normal tenperature possesses. a low flash point. a high flash point. a low fire point. a high viscosity.

Aircraft bolts are almost always manufactured in. the Class 1, loose fit. the Class 2, free ft. the Class 3, medium fit. the Class 4, close fit.

Jo-Bolt is. a type of clevis bolt. a lush head threadless boit. a hex-head threadtess bolt. an internally threaded three-piece rivet.

A piece of aircraft hard ware is designated with a part number AN320-10. The digit I0 means. a number 10 bolt. 10 threads per inch. a castellated shear nut. 5/8 inch diameter.

The acronym SAE used for aircraft materials means. Society of Acrospace Engineers. Standard of Aerospace Engineering. Society of Automotive Engineers. Standard of A viation Engineering.

The material identified by two raised dashes on the head of an aircraft bolt is. cadmium plated nickel steel. 2024-T aluminum alloy. corrosion resistant steel. commercially pure aluminum.

A boll with an "X- inside a triangle on the head is classified as. AN aluminum alloy bolt. NAS close toterance bolt. NAS standard aircrafl bolt. AN corrosion resistant steel bolt.

Clevis bolis are used. mostly in landing gear assemblies. only for shear load_applications. for tension and shear load conditions. when external tension loads are applied.

The smallest size cabie that may be used in aircral primary control systens is. 1/8 inch. 3/16 inch. 1/4 inch. 5/16 inch.

A 7 X 19 cable. has 19 strands and measures 7/16 inch in diameter. consists of 7 wires of 19 strands. consists of 7 strands of 19 wires. has 7 strands and measures 19 inches in length.

The five-tuck woven splice is. not authorized for aircraft use. authorized provided the splice is swaged. authorized for 7. X 19 cable oniy. authorized for both 7 X 7 and 7 X 19 cables.

The strength of a Nicopressed control cable assembly is. 85% of the original cable strength. 100% of the original cable strength. 120% of the original cable strength. 150 % of the original control cable strength.

Aircraft control cables may be made of. aluminum or copper. copper or stainless steel. preformed steel or stainless steel. galvanized carbon steel-or stainless-steet.

type of diagram used to explain a principie of operation rather than show the parts as they actually appear is. a flow chart. a block diagram. schematic diagram. an orthographic projection.

How many faces of an object are visible in an isometric drawing. 3. 4. 5. 6.

The line illustrated below is known as a _______________________ _ _ ______ _ _ _________________ _ _ __________________ _ _ ____________. hidden line. phantom line. long brake line. short brake line.

The title block of an engineering drawing is located at. lower left hand corner of the drawing. lower right hand corner of the drawing. upper Ieft hand corner of the drawing. upper right hand corner of the drawing.

The type of bearing used where the bearing is subjected to radial loads only is. steel piain bearing. duplex bal! bearing. simplex ball bearing. straight roller bearing.

Duckbill pliers are used. for crimping metal. for grasping odd shaped part. for twisting safety wire. to make adjusments in tight places.

Holes are smoothed and eniarged to exact size by using. a reamer. a drill bit. a rat tail file. a round tapered file.

The hand tool used to cut external threads on round stock is. a lathe. a tap. a die. a broach.

if the thimble of a standard micrometer calliper, graduated in thousandths of an inch, is turned one full revolution, the spindle will move. 0.010 inch. 0.025 inch. 0.040 inch. 0,050 inch.

the tool used to find the center of a shaft or other cylindrical work is a. surface gauge. dial indicator. combination set. micrometer calliper.

A joggle is. a flanged angle formed by shrinking. a hole cut in rib section, or fuselage frame. an offset formed on an angle strip. a flanged angle formed by cuting.

A piece of metai is bent to a certain radius. Thc curvature of the bend is referred to as the. bend line. neutrai line. bend radius. bend allowance.

To reduce the possibility of cracking and to insure more uniform strength characteristics, bends in shect metal should be made. 30 degrees to the grain. 45 degrees to the grain. 60 degrees to the grain. perpendicular to the grain.

The sharpest bend that can be placed in a picce of metal without critically weakening the part is called the. bend ailowance. neutral radius of bend. minimum radius of bend. maximum radius of bend.

The term "cold flow" is generally associated with. rubber hose. hydraulic lock. vaporizing fuel. oxygen lines.

When under pressure, a flexible hose. expands in tength and diameter. contracts 'in iength and diameter. expands in length and contracts in diameter. contracts in length and expands in diameter.

The principal advantage of Teflon hose is. its low cost. its flexibility. its operating strength. its corrosion resistance.

The international marking of an instrumient air line is a. wavy band. zigzag line. series of dots. plain white band.

The 2 types of threads provided on AN fittings are. universal and buikhead threads. tube and pipe threads. square and ACME threads. parallel and tapered threads.

Scratches or nicks on the straight portion of aluminum alloy tubing may be repaired if they are no deeper than. 1/32 inch. 1/16 inch. 10% of the wall thickness. 20% of the wall thickness.

When a turnbuckle is tightened, the number of exposed threads showing outside the barrel at each end is. 1 thread. 2 threads. 3 threads. 4 threads.

The general ule for finding the proper rivet diameter is. 1/4 the rivet's iength. 1/2 the rivet's length. three times the thickness of the thinnest sheet. three times the thickness of the thickest sheet.

The minimum edge distance for rivets is. twice the diameter of the rivet shank. twice the diameter of the rivet head. tree times the dianeter of the rivet head. 1/2 the thickness of the material being riveted.

The dimensions of an AN430-4-8 rivet are. 1/8 inch in diameter and 1/2 inch long. 4/16 inch in diameter and 8/16 inch long. 4/16 inch in diameter and 8/32 inch long. 4/32 inch in diameter and 8/32 inch long.

Most rivets used in aircraft construction have. dimples. a raised dot. smooth heads without markings. two raised bars on their heads.

well-designed rivet joint wili subject the rivets to. shear loads. tension loads. bending loads. compression loads.

The primary faclor to be considered when selecting an oxyacetylene torch tip is. shape of the weld. size of the weld rod. location and position of the material. thickness of the material to be welded.

The only acceptable lubricant for oxygen equipment used in welding is. castor oil. Oxy-7 oil. castile oil. bee's wax.

The most important consideration when selecting a welding rod is. the type of torch. regulator pressure. the type of metal to be welded. the thickness of the metal to be welded.

Silver soldering is a method of. brazing. welding. oxidizing. carburizing.

Thermosetting plastic materials are those which. may be reshaped as often as necessary. are softened by the application of heat. are hardened by ihe application of heat. are not affected by the application of heat.

Honeycomb rmaterial used to replace damaged aluminum core of honeycomb bonded structures is usually. titanium. magnesium. fibreglass. hardened plastic.

The simplest test in checking for delaminated area on a honeycomb structure would be. zyglo. X-ra. ultrasonic. the metallic ring test.

The purpose of refrigerating aluminum that has been solution heat treated is to. harden it. increasc its ductility. keep it relatively soft. increase its corrosion resistance.

Aluminum forming without annealing should be done immediately after. aging. heating. quenching. anodizing.

The types of quenching medium generally used when hardening alloy steels are. oil and brine onty. water, oil or brine. air, water or brine. air. water or oil.

The appropriate inspection method for detecting intergranular corrosion in ron-ferrous metal is. Eddy current. accoustic emission. spectography. magnetic particle.

Magnetic particle inspection is suitable for. copper alloys. iron alloys. aluminum alloys. magnesium alloys.

When using dye penetrants. a minute crack will require a relatively. highly polished surface. longer penetrating time. shorter penetrating time. shorter developing time.

When trying to locale surface faults by magnetic particle inspection, the method of magnetization primarily used is. an infrared light with a fluorescent penetrant. an ultraviolet light with a fluorescent penetrant. a magnetic field produced by DC current. a magnelic field produced by AC current.

two mating surfaces subject to slight relative motion may be prone to. stress corrosion. fretting corrosion. surface corrosion. intergranular corrosion.

When conducting a water washable liquid penetrant test, the developer is applied. after penetrant is removed and the part is dry. before removal of the emulsifier. immedialely before the penetrant is applied. immedialely after the penetrant has been applied.

An eddy current is a circulating electrical current induced in a conducting material by. X-rays. gamma rays. piezoelectric force. magnetic field.

After wet magnetic particle inspection, a rinse bath is. not necessary. necessary to aid in removing remnant magnetism. necessary to provide lubrication. necessary to remove magnetic particles.

What type of logic gate has no inputs, but has an output?. NOT. OR. AND. NAND OR A NOR.

Which of the following has the lowest specific gravity?. Water. Mercury. Jet fuel. Avgas.

Whose law states; "A change in volume of a confined gas when-held at a constant temperature would create an opposite change in the pressure of the gas. Boyle's law. Charles law. Bemoull's law. Pascal's law.

Whose law states; "If the volume of a confined gas is held constant, the pressure will vary in the same way as the absolute temperature of the gas". Newton's law. Avogadro's law. Dalton's law. Charles law.

Who's law states; "Ah increase in pressure at any point in a confined liquid will produce an equal increase in the pressure at every other point in the fiquid.therefore the pressure always act at right angles to the container that encloses the liquid.". Archimede's law. Pascal's law. Bemoull's law. Charles law.

An aluminum alloy (2024) bolt may be identified with?. Two raised dashes on the head of the bolt. One raised dash on the head of the bolt. An asterisk on the head of the bolt. An asterisk enclosed within a raised triangle of the bolt head.

A diagram representing many components in a simplified fashion. schematic diagram. block diagram. sectional diagram. pictorial diagram.

what is theoretical effect of a purely inductive AC circuit. the current leads the voltage by 90 degrees. the current lags the voltage by 90 degrees. the current lags the voltage by 180 degrees. the current leads the voltage by 180 degrees.

A plastic using heat from a chemical reaction to harden and cannot be reshaped after curing is a form of a ?. cellulose acetate plastic. acrylic plastic. thermoplastic. thermosetting plastic.

During operation a transistor overheats excessively, what will happen to it. becomes damaged and burns open. the semiconductors will allow current flow to increase. nothing, transistors will are designed for extreme heat. current will flow in both directions.

The ability of a material to be bent, formed or shaped without cracking or breaking is called. Toughness. Hardness. Ductility. Malleability.

What type of o-ring is used with a synthetic based hydraulic fluid?. Polivinyl chloride rubber. Natural rubber. Neoprene or buna -N. Butyl synthetic rubber.

What would you use to flush a mineral based hydraulic fluid?. Trichlorethylene. alcohol. Boric acid. Varsol.

What colour is vegetable based Hydraulic fluid ?. Clear. Purple. Red. Blue.

What do you use to neutralize a Nickel-cadmium baterry spill?. Water. Sodium bicarbonate. Cod Oil. Boric acid.

Which NDT method shows a ¨Blip or pulse¨on an osciloscope. Computed tomography. X- Ray. Eddy current. Ultrasonic.