Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/124

Click to flip

124 Cards in this Set

  • Front
  • Back
WHAT ARE THE TWO TYPES OF CUTTING TOOLS?
TURNING AND ROTATING
WHAT TOOL IS USED TO MEASURE AN O-RING GROOVE?
DEPTH MIC, AND GROOVE MIC
ON A GEAR TOOTH VERNIER, HOW FAR APART ARE THE GRADUATIONS ON THE MAIN SCALE?
.020"
WHAT IS THE INCLUDED ANGLE OF A CENTER GAGE?
60 DEGREES
WHAT PRECISION TOOL IS USED TO ESTABLISH ANGLES THAT REQUIRE EXREMELY CLOSE ACCURACY?
SINE BAR
WHAT INSTRUMENT IS MOST COMMOMLY USED TO FIND THE DEGREE OF SURFACE ROUGHNESS?
PROFILOMETER
WHEN LAYING OUT A 6-HOLE FLANGE, WITH A PITCH CIRCLE OF 3.750", WHAT IS THE PITCH CORD?
1.875" CONSTANT IS .5" WHICH IS HALF OF THE PITCH CIRCLE.
THE ABILITY OF METAL TO RETURN TO ITS ORIGINAL SIZE AND SHAPE AFTER APPLIED FORCE HAS BEEN REMOVED IS ______?
ELASTICITY
WHAT IS ADDED TO STEEL TO INCREASE TENSILE STRENTH, TOUGHNESS AND WEAR RESISTANCE?
CHROMIUM EXAMPLE "CROMOLY"
WHAT IS THE ALLOYING DIFFERENCE BETWEEN BRASS AND BRONZE?
BRASS = COPPER-ZINC
BRONZE = COPPER-TIN
WHEN USING THE SAE SYSTEM FOR METAL IDENTIFICATION, WHAT IS SAE 4030?
MOLYBDENUM STEEL WITH A CARBON CONTENT OF 3%
WHAT TYPE OF THERMAL PLASTIC IS USED FOR PREFORMED PACKING AND GASKETS?
TEFLON
WHAT ARE THE TWO TYPES SAW BAND GUIDES?
INSERT AND ROLLER
WHAT IS THE PRIMARY CONSIDERATION WHEN SELECTING A SAW BAND?
TYPE OF MATERIAL TO CUT
WHEN WOULD YOU RUN A REAMER BACKWARDS?
NEVER
WHAT TWO BASIC ELEMETS MAKE UP A GRINDING WHEEL?
ABRASIVE GRAINS AND THE BONDING AGENT
ON THE GRINDING WHEEL STANDARD MARKING SYSTEM, WHAT DOES "C 60 I 8 V Q" STAND FOR ?
ABRASIVE TYPE, SILICON CARBIDE.
WHAT IS THE MAXIMUM RECOMMENDED DEPTH OF CUT WITH A SURFACE GRINDER?
.002"
WHAT ARE THE THREE MAIN CAUSES OF TOOL BREAKAGE WITH MECHANICALLY HELD CARBIDE INSERTS?
MECHANICAL, EXCESS WEAR, AND THERMAL SHOCK
ON THE ENGINE LATHE, WHAT IS USED TO BACK UP WORK OF SMALL DIAMETERS TO KEEP IT FROM SPRINGING UNDER THE PRESSURE OF CUTTING?
FOLLOWER REST
WHAT ARE THE THREE BASIC METHODS OF ALIGNING AND LEVELING LATHES?
SPIRIT METHOD, OPTICAL, AND TEST BAR METHOD
WHAT IS USED WHEN TURING AND BORING LONG TAPERS WITH ACCURACY?
TAPER ATTACHMENT
WHAT IS THE FORMULA FOR CUTTING THE STRAIGHT DEPTH OF EXTERNAL V-FORM THREADS?
0.64952 X PITCH = STRAIGHT DEPTH
WHAT IS THE FORMULA FOR EXTERNAL SLANT DEPTH?
0.708 X PITCH = SLANT DEPTH
WHAT IS THE FORMULA FOR CUTTING STRAIGHT DEPTH OF ACME THREADS?
DEPTH = 1/2 P + O.10"
WHAT IS THE STANDARD TAPER OF PIPE THREADS?
3/4" TAPER PER FOOT
WHAT CLASS OF THREAD IS CONSIDERED AN INTERFERENCE FIT?
CLASS 5
WHAT ARE THE THREE TYPES OF KNEE AND COLUMN MILLING MACHINES?
UNIVERSAL, PLAIN, AND VERTICAL SPINDLE
WHAT ARE THE FOUR BASIC FACTORS THAT IDENTIFY ALL MILLING MACHINES?
TABLE SIZE, MODEL, WEIGHT, AND SPINDLE LENTH
WHAT ARE THE MOST COMMONLY USED METHODS OD INDEXING?
DIRECT AND PLAIN
WHAT ARE THE TWO TYPES OF ANGLE MILLING CUTTERS?
SLAB AND HELICAL
WHAT TYPE OF END MILL IS USED WHEN CUTTING FILLETS (SLOTS WITH A RADIUS)?
BALL END MILLS
WHAT MILLING CUTTER IS USED TO CUT CURVED KEY SLOTS?
WOODRUFF KEYSET CUTTER
WHAT IS THE LARGEST SQUARE THAT CAN BE CUT FROM A PIECE OF STOCK 2 INCHES IN DIAMETER?
1.040

FORMULA= DIA X 0.7071
WHAT IS THE LARGEST HEXAGON THAT CAN BE CUT FROM A PEICE OF 1 INCH STOCK?
.866

FORMULA = DIA X .866
WHAT TYPE OF LATHE IS BEST SUITED FOR LARGE AWKWARD AND HEAVY WORK?
VERTICAL TURRET LATHE
WHAT WOULD BE USED TO REPAIR SPLIT SLEEVE BEARINGS?
A HORIZONTAL BORING MILL
WHAT ARE THE FOUR MAJOR ELEMENTS OF A HORIZONTAL BORING MILL?
BASE AND COLUMN, HEAD, SADDLE AND TABLE, BACKREST OR END SUPPORT
WHAT ARE THE THREE TYPES OF HORIZONTAL SHAPERS?
CRANK, GEARED, AND HYDRAULIC
ON THE HORIZONTAL SHAPER, WHERE IS THE CRANK PIN MOUNTED?
THE CRANK GEAR
WHAT DOES THE TABLE FEED MECHANISM CONSIST OF ON THE HORIZONTAL SHAPER?
RATCHET WHEEL AND PAWL, A ROCKER, AND FEED DRIVE WHEEL
WHAT DETERMINES THE SIZE OF A SHAPER?
MAXIMUM SIZE OF CUBE BLOCK THAT CAN BE MOUNTED
ON A CYLINDRICAL GRINDER, WHAT IS THE BEST WAY TO MAKE THE WHEEL ACT HARDER?
SLOWER FEED, AND DECREASE DEPTH OF CUT
WHAT IS THE FORMULA FOR WHEEL SPEED ON THE CYLIDRICAL GRINDER?
(CIR X RPM)
FPM = ____________

12
WHAT ARE THE BEST TYPE OF COOLANTS FOR GRINDING?
WATER SOLUBLE OIL
WHAT SIZE GRINDING WHEELS SHOULD BE BALANCED BEFORE USE?
ALL WHEELS
WHAT IS THE MOST COMMON HOLDING DEVICE ON A SURFACE GRINDER?
MAGNETIC CHUCK
WHAT TYPE OF GRIDER IS USED TO GRIND MULTI-EDGED CUTTING TOOLS?
TOOL AND CUTTER GRINDER
WHAT GRADE WHEEL WILL YOU USUALLY NEED TO SHARPEN A HIGH SPEED CUTTER OR REAMER?
VITRIFIED
WHEN GRINDING A CUTTER ON A TOOL AND CUTTER GRINDER, NORMALLY, WHAT IS THE SECONDARY CLEARANCE ANGLE COMPARED TO THE PRIMARY ANGLE?
3 TO 5 DEGREES GREATER
WHAT SHOULD BE USED TO BRING THE CENTER OF THE WHEEL AND THE CENTER OF THE WORK INTO THE SAME PLANE ON THE TOOL?
HEIGHT GAGE
TO DETERMINE THE AMOUNT TO RAISE AND LOWER THE WHEELHEAD ON THE TOOL AND CUTTER GRINDER, MULIPLY THE CLEARANCE ANGLE (IN DEGREES) BY THE DIAMETER OF THE WHEEL (INCHES) AND THEN MULTIPLY THIS PRODUCT BY THE CONSTANT _________ ?
0.0087
WHT PROCESS IS USED TO DEVELOP A HIGHLY SMOOTH FINISH WHILE ACCURATELY CONTROLLING THE SIZE OF THE HOLE?
HONING
WHAT MACHINES ARE MANUFACTURED BY WHAT IS KNOWN AS AN R-8 SPINDLE TAPER THAT EMPLOYS QUICK CHANGE TOOL SYSTEM?
CNC MILL
WHAT IS THE PURPOSE OF THE SLANT BED ON THE CNC LATHES?
SLANT BED ALLOWS THE CHIPS TO FALL INTO THE CHIP PAN RATHER THAN ON THE THE TOOLS OR BEDWAYS
WHAT ARE THE THREE BASIC TYPES OF CNC TOOLING MATERIALS?
HIGH-SPEED STEEL, TUNGSTEN CARBIDE, AND CERAMIC
WHAT DOES DNC STAND FOR ?
DIRECT NUMERICAL CONTROL
WHAT ARE THE TWO MAJOR COMPONENTS OF THE CNC MACHINE?
THE SERVO AND THE CONTROL SYSTEM
WHAT DOES CAD/CAM STAND FOR?
COMPUTER AIDED DESIGN, COMPUTER AIDED MANUFACTURING
WHAT ARE THE TWO TYPES OF CONTROL SYSTEMS USED ON A NC MACHINES?
POINT-TO-POINT , CONTINUOUS PATH
WHAT ARE THE DRIVE SYSTEMS CALED ON NC MACHINERY?
SERVOMECHANISMS
WHAT IS THE BASIS FOR ALL NC MACHINERY MOVEMENT?
THE CARTESIAN COORDINATE SYSTEM
WHAT ARE THE TWO WAYS NC MACHINES POSITION THEMSELVES WITH RESPECT TO THEIR COORDINATE SYSTEMS?
INCREMENTAL POSITIONING , AND ABSOLUTE POSITIONING
WHAT ARE THE FOUR DIFFERENT THERMAL SPRAY PROCESSES?
WIRE-OXYGEN FUEL SPRAY, WIRE-CONSUMABLE ELECTRODE SPRAY, PLASMA-ARC SPRAY, AND POWER-OXYGEN-FUEL SPRAY
WHAT ARE THE THREE DISTINCT PREPARATION OPERATIONS THAT MUST BE PERFORMED BEFORE THERMAL SPRAYING?
CLEANING, UNDERCUTTING, AND SURFACE ROUGHING
WHEN ELECTROPLATING, WHAT CLASS OF APPLICATION IS USED ON PARTS UNDER COGNIZANCE OF THE NUCLEAR PROPULSION DIRECTORATE?
CLASS 4
WHAT DOES "METCAL" STAND FOR?
NAVY METROLOGY AND CALIBRATION PROGRAM
WHAT DOE THE "METCAL" PROGRAM ENSURE?
THE TRACABILITY AND ACCURACY OF INSTRUMENT CALIBRATION
WHAT SYSTEM INCLUDES CLEANING A MACHINE AFTER EACH USE?
PREVENTATIVE MAINTENANCE SYTEM
IN VALVE REPAIRS, ALLOY STEEL VALVES ARE USED IN HIGH PRESSURE, HIGH TEMP SYSTEMS; THE DISK AND SEATS OF THESE VALVES ARE USUALLY SURFACED WITH A CHROMIUM-COBALT ALLOY KNOWN AS_______ ? THIS MATERIAL IS EXTREMELY_____ ?
STELLITE : HARD
WHAT PROCEDURE IS VISUALLY DETERMINED WHTHER OR NOT THE SEAT OR DISK MAKE GOOD CONTACT WITH EACH OTHER?
SPOTTING-IN
WHEN WOULD YOU USE THE VALVE DISK AS A LAPPING TOOL?
NEVER
WHAT ARE THE TWO CLASSIFICATIONS IF GATE VALVES?
RISING STEM AND NONRISING STEM
WHAT ARE THE TWO MOST COMMON TYPES OF CONSTANT-PRESSURE PUMP GOVERNORS USED BY THE NAVY?
LESLIE AND ATLAS
WHAT IS THE CHIEF DIFFERENCE BETWEEN GOVERNORS USED FOR DIFFERENT SERVICES?
THE SIZE OF THE UPPER DIAPHRAGM
WHAT IS THE BEST MATERIAL FOR USE AS A LAPPING TOOL ?
CAST IRON
WHAT TYPE OF VALVE WOULD YOU MANUFACTURE A SILVER SEAL FOR ?
PRESSURE SEAL BONNT GLOBE VALVE
WHAT EFFECTS THE EFFICIENCY OF THE CASING RINGS OF A CENTRIFUGAL PUMP?
THE RADIAL CLEARENCE BETWEEN THE IMPELLER AND THE CASING
THE CONTACT POINT OF MATING GEARS, THE BASIS OF ALL TOOTH DIMENSIONS, OR AN IMAGINARY CIRCLE ONE ADDENDUM DISTANCE DOWN THE TOOTH IS THE ?
PITCH CORD (PC)
THE DIAMETER OF THE PITCH CIRCLE IS THE ?
PITCH DIAMETER (PD)
THE HEIGHT OF THE PART OF THE TOOTH THAT EXTENDS OUTSIDE THE PITCH CIRCLE IS THE ?
ADDENDUM (ADD)
THE DISTANCE FROM A POINT ON ONE TOOTH TO A CORRESPONDING POINT ON THE NEXT TOOTH MEASURED ON THE PITCH CIRCLE IS THE ?
CIRCULAR PITCH
THE DEPTH OF THE TOOTH INSIDE THE PITCH CIRLCE, OR THE RADIAL DISTANCE BETWEEN THE ROOT CIRCLE AND THE PITCH CIRCLE IS THE ?
DEDENDUM (DED)
THE MOST IMPORTANT CALCULATION BECAUSE IT REGULATES THE TOOTH SIZE, OR THE NUMBER OF TEETH ON THE GEAR DIVIDED BY THE NUMBER OF INCHES OF PITCH DIAMETER IS THE ?
DIAMETER PITCH
THE DIFFERENCE BETWEEN THE TOOTH THICKNESS AND THE TOOTH SPACE OF THE ENGAGED GEAR TEETH AT THE PITCH CIRCLE IS THE?
BACKLASH
_____ _____ OPERATE MORE QUIETLY AND SMOOTHLY THAN SPUR GEARS BECAUSE OF THE SLIDING ACTION OF THE TEETH AS THEY MESH?
HELICAL GEARS
THE _____ ______ IS THE ANGLE BETWEEN A PLANE PARRALLEL TO THE ROTATING AXIS OF THE WORKPIEICE AND THE HELIX LINE GENEREATED ON THE WORK PIECE.
HELIX ANGLE
ON BEVEL GEARS, WHAT ANGLE IS EQUAL IN VALUE TO THE PITCH CONE ANGLE?
BACK CONE ANGLE
____ ____ ARE USED FOR HEAVY DUTY WORK WHERE REDUCTION OF SPEED IS REQUIRED.
SPUR GEARS
WHAT TYPE OF MILLING CUTTER IS USED TO MACHINE THE THROAT RADIUS OF A WORM WHEEL?
CONVEX
WHAT ARE THE THREE TYPES OF HOBS ?
OFFSET, STRAIGHT AND ROLLER
WHAT ARE THE TWO CLASSES OF SPROCKETS?
SPLINE AND SPIRAL
WHAT ARE THE THREE BRANCHES OF METALLURGY?
CHEMICAL, PHYSICAL, AND MECHANICAL
WHAT ARE THE FOUR TYPES OF SPACE LATTICE?
BODY CENTERED CUBIC, FACE CENTERED CUBIC, BODT CENTERED TETRAGONAL, AND HEXAGONAL CLOSED-PACKED
WHEN A METAL EXISTS IN MORE THAT ONE LATTICE FORM IT IS SAID TO BE ______ IN NATURE?
ALLOTROPIC
WHEN THE SPACE LATTICE UNITS IN THE GRAIN STRUCTURE TRANSFORM THE BODY-CENTERED CUBIC FORM TO THE ______?
BODY-CENTERED-LATTICE
IF AUSTENITE IS QUENCHED AT ITS HARDENING TEMPERATURE OF LESS THAN 400 DEG F, IT WILL CHANGE INTO?
IRON CARBIDE
WHAT IS THE NAME GIVEN TO A SOLID SOLUTION OF ALPHA IRON AND CARBON?
FERRITE
WHAT IS THE NAME GIVEN FOR A SOLID SOLUTION OF GAMMA IRON AND CARBON?
AUSTENITE
WHAT IS ANOTHER NAME FOR IRON CARBIDE?
CEMENTITE
AN INTIMATE MECHANICAL MIXTURE OF FERRITE AND CEMENTITE IN ALTERNATE PLATES OR LAYERS IS CALLED ?
PEARLITE
WHAT IS THE MOST COMMONLY USED DEVICE USED FOR MEASURING THE TEMPERATURE IN A HEAT TREATING FURNACE?
THERMOELCTRIC PYROMETER
WHAT TYPE OF QUECHING MEDIUM USES A SOLUTION OF 3/4 POUND OF SALT FOR EACH GALLON OF WATER?
BRINE
WHAT QUENCHING MEDIUM IS USED FOR HIGH-ALLOY STEELS AND SOME NON-FERROUS METALS?
OIL
AT WHAT TEMPERATURE DOES IRON TRANSFORM TO THE BODY-CENTERED CUBIC SYSTEM?
1670 DEG F
ABOVE WHAT TEMPERATURE DOES CAST IRON BECOME NONMAGNETIC?
1420 DEG F
WHAT HEAT TREATMENT PROCESS REDUCES BRITTLENESS, AND RELEIVES HIGH INTERNAL STRESSES DEVELOPED DURING HARDENING?
TEMPERING
WHAT TERM OF HEAT TREATMENT PROCESS IS USED FOR THE PRIMARY PURPOSE OF SOFTENING METAL?
ANNEALING
WHAT HARDENING TREATMENT OF METALS INVOLVE QUENCHING THE METAL IN A BATH OF MOLTEN SALT MAINTAINED ABOVE THE START OF MARTENSITE TEMPERATURE AND HOLDING IT UNTIL TRANSFORMATION IS COMPLETE?
AUSTEMPERING
WHAT HARD AND TOUGH STRUCTURE IS FORMED FROM AUSTEMPERING?
BAINITE
WHAT IS THE PROCESS BY WHICH A STEEL CAN BE GIVEN A HARD, WEAR RESISTANT SURFACE WHILE RETAINING A SOFTER BUT TOUGHER INTERIOR THAN WOULD BE POSSIBLE IF THE WHOLE PIECE WERE HARDENED?
CASE HARDENING
WHAT METHOD CASE HARDENING INVOLVES THE INTRODUCITON OF AMMONIA GAS TO STEAL?
NITRIDING
IN HEAT TREATING, ANY CHANGE IN THE FORM OF A TWIST OR A BEND IS KNOWN AS _______ ?
WARPING
WHEN USING A ROCKWELL HARDNESS TESTER, WHAT PENETRATOR IS USED IN CONJUNCTION WITH A 150 KILOGRAM WEIGHT TO MAKE AN IMPRESSION IN HARD METALS?
120 DEG SPHERICAL
WHAT TYPE OF PENETRATOR IS USED FOR SOFTER METALS IN CONJUNTION WITH A 100 KG WEIGHT?
1/16 INCH STEEL BALL
WHAT CAN BE USED TO PREVENT METAL FILINGS CLOGGING UP THE TEETH OF A FILE?
CHALK
WHAT DOES AISI STAND FOR ?
AMERICAN IRON AND STEEL INSTITUTE
THE ABILITY OF A MATERIAL TO RESIST PENTRATION IS KNOWN AS ?
HARDNESS
HEATING IRON-BASED ALLOYS TO APPROX 100 DEG F ABOVE THE CRITICAL TEMP, FOLLOWED BY COOLING TO BELOW THAT RANGE IN STILL AIR AT ROOM TEMP, IS CALLED ?
NORMALIZING
WHAT PROPERTY ENABLES A MATERIAL TO BE EXCESSIVELY AND PERMANENTLY DEFORMED WITHOUT BREAKING?
PLASTICITY
A FIGURE BOUNDED BY TWO RADII AND THE INCLUDED ARC OF A CIRCLE, ELLIPSE, OR OTHER CURVE IS A ?
VECTOR
WHAT IS A COMMON METHOD FOR TURNING TAPERS?
SET OVER TAILSTOCK, COMPOUND REST, TAPER ATTACHMENT
WHAT IS A SUITABLE LUBRICANT FOR OXYACETYLENE EQUIPMENT?
GLYCERIN
WHAT IS THE MAXIMUM PRESSURE FOR ACETYLENE ?
15 PSIG