Quiz 1 Flashcards by Kristine Nguyen

_____ material properties are more important to select manufacturing processes.
A) Thermal B) Mechanical C) Optical D) Electrical

Mechanical

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Stress-strain diagram of material provide an understanding of —— properties.
A) Mechanical B) Thermal C) Optical D) Electrical

Mechanical

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Specimen breaks suddenly without any necking, the material is _________

A) Ductile B) Tough C) Brittle D) All

Brittle

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_______ property of material helps to be beaten to thin sheets and foils.

A) Ductility B) Brittleness C) Malleability D) Stiffness

Malleability

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Opposing property of material to brittleness is ——

A) Stiffness B) Ductility C) Malleability D) Resilience

Ductility

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The modulus of elasticity is high, the material is called having —–

A) Stiff B) Ductile C) Tough D) Resilience

Stiff

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The property which enables a material to withstand both elastic and plastic strains is ——

A) Brittleness B) Toughness C) Ductility D) Stiffness

Toughness

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If a component is subjected to alternate stresses, the failure is due to __________

A) Brittle fracture B) Ductile fracture C) Creep D) Fatigue

Fatigue

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The practical carbon % in Steel is —–

A) 1 to 2% B) 0 to 1% C) 0 to 1.3% D) 0.5 to 1%

0 to 1.3%

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Carbon % in Mild steel

A) 0.15 to 0.3% B) 0.3 to 0.7% C) > 0.7% D) 05 to 1%11.

0.15 to 0.3%

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The steel used extensively for structural work is ____

A) Medium Carbon Steel B) Mild Steel C) Alloy Steel D) High Carbon Steel

Mild Steel

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Steel for making hand tools like hammers is

A) Mild Steel B) Alloy Steel C) High Carbon Steel D) Medium Carbon Steel

High Carbon Steel

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Machine beds are made by

A) Mild Steel B) White CI C) Grey CI D) Alloy CI

Grey Cl

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Dairy equipment is made from

A) Copper B) Brass C) Stainless Steel D) Aluminum

Stainless Steel

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Malleable Cast Iron is produced from

A) Grey CI B) Alloy CI C) Nodular CI D) White CI

White Cl

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The heat treatment process to relieve internal stresses

A) Annealing B) Normalizing C) Tempering D) Both A & B

Both A & B

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The material extensively used in electrical industry

A) Aluminum B) Steel C) Cast Iron D) Copper

Copper

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Material used for making Thermo-couples

A) Aluminum B) Copper C) Brass D) Cupro - Nickel

Cupro-Nickel

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Beverage cans are made from

A) Aluminum B) Copper C) Brass D) Lead

Aluminum

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Torch light batteries are made from

A) Copper B) Lead C) Zinc D) Aluminum

Zinc

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Ceramic parts are made by ——- process

A) Casting B) Forming C) Powder Metallurgy D) All

Powder Metallurgy

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——- are called electronic materials

A) Composite materials B) Ceramics C) Semiconductor D) Polymers

Semiconductor

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Tennis rockets are made from

A) Steel B) Aluminum C) Polymers D) Composite Materials

Composite Materials

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Primary manufacturing processes are

A) Casting B) Forming C) Welding D) Both A & B

Both A & B

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The manufacturing process which uses molten metal to produce parts. A) Casting B) Forming C) Welding D) Machining

Casting

Forging process is ----- process A) Casting B) Forming C) Welding D) Machining

Forming

Semi-permanent joining of metal is by A) Welding B) Riveting C) Bolts & Nuts D) Screws

Riveting

When high quality components are required, the dependable process is A) Casting B) Welding C) Machining D) Forming

Machining

Machining required ------ tools A) Cutting tool B) Machine tool C) Holding tool D) All

All

Selection of manufacturing processes is affected by A) Material B) Product Complexity C) Product Design D) All

All

------ hand tool is used for striking the sand mass in the flask to pack it uniformly around the pattern. A) Vent wire B) Rammer C) Riddle D) Trowel

Rammer

To create hollow castings ----- is to be mounted in the mould cavity. A) Runner B) Riser C) Core D) Chaplet

Core

To support the core in the mould cavity ---- is used. A) Chaplet B) Riser C) Core print D) Both A & C

Both A & C

The metallic elements kept in mould, to provide uniform cooling at different cross sections of casting, during solidification. A) Riser B) Chaplet C) Chill D) Core

Chill

-------- is provided to compensate liquid shrinkage of castings A) Riser B) Chaplet C) Chill D) Core

Riser

The lower flask of the mould is called A) Cope B) Drag C) Cheek D) None

Drag

Horizontal passage way in the gating system is called A) Sprue B) Ingate C) Runner D) Riser

Runner

Vertical passage way in the gating system is called A) Sprue B) Runner C) Riser D) Gate

Sprue

Common defect in green sand moulds is A) Cold shut B) Blow hole C) Penetration D) Rat tail

Blow hole

To produce large axy-symmetrical cavities --- pattern is used A) Split pattern B) Match plate pattern C) Sweep pattern D) Loose piece pattern

Sweep pattern

Pattern shape and size differs from casting because of --- A) Core Prints B) Elimination of fine details C) Pattern allowances D)All

All

The pattern allowance provided for easy removal of pattern from moulding sand without much disturbance A) Shrinkage B) Draft C) Machining D) Distortion

Draft

The property of moulding sand allow it to withstand high temperatures is A) Green strength B) Permeability C) Refractoriness D) Collapsibility

Refractoriness

Optimum filling time of mould cavity depends on A) Casting material B) Size of casting C) Section thickness D) All

All

Providing runner extension if for --- A) Slag trapping B) Avoid turbulence C) Avoid aspiration D) All

Slag trapping

Best geometrical shape suitable for riser is ---- A) Spherical B) Cylindrical C) Cuboid D) All

Spherical

Cast Iron melting is done in ---- furnace A) Blast furnace B) Cupola C) Crucible D) Electric Arc furnace

Cupola

Total process of cleaning of casting is called A) Blasting B) Barreling C) Chipping D Fettling

Fettling

“Whirl gate” is introduced in moulding to ----- A) gas emission B) care of shrinkage C) Slag trap D) metal flow

Slag trap

Crucible furnace is used to melt ------ metals A) Brass B) Steel C) Cast Iron D) All

Brass

The furnace used to melt large quantities of Steel & Iron A) Crucible B) Electric C) Cupola D) Blast Furnace

Blast Furnace

Sand blasting is used for ------ in casting process. A) Avoid defects B) Cleaning C) packing sand D) Testing

Cleaning

When used large grain size of sand, the possible casting defect is A) Swells B) Fusion C) Penetration D) Run out

Penetration

The inspection which provides the exact size and location of defect in casting is ---- A) X – ray B) Dye penetration C) Magnetic particle D) Ultrasonic

Ultrasonic

Uniform mould hardness is possible in ------ type of machine moulding. A) Jolting B) Squeezing C) Sand slinger D) Jolt & Squeezing

Sand slinger

Special casting process that uses sand to make mould is – A) Shell moulding B) Die casting C) Slush casting D) All

Shell moulding

Hot metallic pattern is used in ----- special casting process A) Die casting B) Slush casting C) Plaster mould D) Shell mould

Shell mould

Cylinder heads and connecting rods can be produced in ---- special casting A) Die casting B) Slish casting C) Shell mould D) Plaster mould

Shell mould

Pattern material in investment casting --- A) Wood B) Plastic C) Wax D) Cast Iron

Wax

Complex shapes with close dimensions can be obtained in ----- A) Investment casting B) Die casting C) Slush D) Plaster mould

Investment casting

The die casting in which molten metal fills the cavity by gravity is A) Permanent Die B) Hot chamber Die C) Cold chamber Die D) All

Permanent Die

Investment casting finds application in ----- industries A) Military B) Aerospace C) Medical D) All

All

Automobile engine pistons are widely produced by --- A) Shell mould B) Slush casting C) Permanent Die D) Plaster mould

Permanent Die

Injection moulding is ---- type of casting A) Pressure Die B) Slush C) Shell mould D) Centrifugal

Pressure Die

The casting process that produces hollow castings without core – A) Shell mould B) Centrifugal C) Investment D) Die casting

Centrifugal

All types of materials can be processed by ---- casting A) Die casting B) Centrifugal C) Sand casting D) Investment

Sand casting

Hot chamber Die casting is used for ----- material. A) Steel B) Aluminum C) Zinc D) All

Zinc

True Centrifugal casting is used to produce ----- A) All shapes B) Hollow cylinder C) Complex shapes D) All

Hollow cylinder

Most of the automobile parts are produced by ---- casting A) Sand B) Investment C) Slush D) Pressure Die

Pressure Die

The casting process in which mould is rotated is --- A) Die casting B) Slush casting C) Centrifugal D) Plaster mould

Centrifugal

High density and high mechanical properties are possible in ---- A) Die casting B) Centrifugal C) Shell mould D) Investment

Centrifugal

Pulley and gear blanks are widely produced by ---- casting A) Semi centrifugal B) True Centrifugal C) Centrifuging D) All

Semi-centrifugal

Decorative hollow products are produced by ---- casting A) Slush B) Shell mould C) Die casting D) Centrifugal

Slush

The mould material in Plaster mould casting --- A) Sand B) Wax C) Plaster of Paris D) Tool steel

Plaster of Paris

The casting process in which molten metal in the mould is allowed to solidify for a thickness and remaining metal is drained off --- A) Shell mould B) Die casting C) Slush casting D) Centrifugal

Slush casting

The casting process in which total material poured is converted into casting ---- A) True centrifugal B)Centrifuging C) Semi Centrifugal D) All

True centrifugal

------ casting technique is used to make hollow chocolate figures A) Die casting B) Investment C) Shell mould D) Slush

Slush

Any intermediate flask used in moulding practice, it is called --- A) Cope B) Drag C) Cheek D) None

Cheek

-------- pattern is used in machine moulding. A) Sweep B) Loose piece C) Skeleton D) Machplate

Machplate

------ pattern is used for making very large castings. A) Skeleton B) Sweep C) Loose piece D) Cope and Drag

Skeleton

In pattern allowances, the allowance which reduces the size of the pattern ( -ve allowance) is A) Machining B) Rapping C) Draft D) Distortion

Rapping

The property of the moulding sand which makes mould to break easily. A) Hot strength B) Collapsibility C) Dry strength D) None

Collapsibility

The property of the moulding sand which allows the gases to escape. A) Refractoriness B) Permeability C) Hot strength D) All

Permeability

For bonding the sand grains in core making ---- is used. A) Clay B) Thermosetting resins C) Oils D) All

Oils

In pattern allowances, the allowance which increases the size of the pattern (+ve allowance ) is A) Shrinkage B) Draft C) Machining D) All

All

For ferrous castings the size of the sand grains used in moulding A) Small B) Medium C) Large D) Combination

Large

Strainer core is kept at ---- in gating elements A) Sprue top B) Runner C) Ingate D) Riser

Sprue top

In shell moulding the sand is mixed with ---- to make shells. A) Clay B) Oils C) Thermosetting resins D) Thermoplastic resins

Thermosetting resins

Cooling rate of riser should be ----- than casting. A) Higher B) Lower C) Equal to D) None

Lower

Rate of cooling of casting depends on ----- A) Volume B) Surface Area C) Cross section D) Surface area/volume

Surface are/volume

To avoid aspiration ----- gating system is provided. A) Uniform B) Non uniform C) Pressurized D) Non pressurized

Pressurized

The gating system for providing best filling of mould cavity --- A) Top gate B) Bottom gate C) Parting gate D) All

Parting gate

The pattern colour code for core prints seats --- A) Red B) Black C) Yellow D) No colour

Yellow

Sprue is made tapered to ------ A) Trap slag B) Avoid aspiration C) Easiness D) Smooth flow

Avoid aspiration

Slag trapping is possible with ----- type of gating system. A) Pressurized B) Uniform C) Non pressurized D) Non uniform

Pressurized

------ is a pouring metal defect. A) Hot rears B) Misrun C) Runout D) All

Misrun

Thumbling barrel is for --- in casting process. A) Cleaning B) Holding C) Testing D) Mixing

Cleaning

The equipment to mix moulding sand is – A) Moulding machine B) Barrel C) Muller D) Slinger

Muller

Poor permeability of moulding sand leads to ---- defect in casting A) Gas inclusion B) Pin holes C) Blow holes D) All

All

Jolting machines provide ----- in moulding flask. A) Hard top B) Hard middle C) Hard bottom D) Uniform hardness

Hard bottom