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WorksheetsEngineering Materials
Total questions: 30
Worksheet time: 11mins
The ability of a material to be formed by hammering or rolling is known as
Hardness
Malleability
Ductility
Conductivity
What is Ferrous metal
Material that has good electrical resistance
Metal that has iron as a base metal
Metal that has non magnetic properties
Metal that consists of Chromium
Which metal is commonly used for Machine tools and engine blocks
high Carbon steel
Mild steel
Stainless steel
Cast iron
Engineering materials that doesn't have a good resistance to the corrosion
Polymers
Composites
Ceramics
Metals
Which of these is an example of synthetic polymer?
cotton fibers
rubber
polyvinyl chloride (PVC)
wool
Composite Materials are mixtures of Metals, Ceramics and Polymers.
True
False
The component deforming progressively under load at high temperatures is called as
Resilience
Creep
Fatigue
All of the above
Which of the following ferrous alloys can be casted into intricate shapes?
Plain carbon steels
Alloy steels
Cast irons
All of the above
The permanent mode of deformation of a material known as
Elasticity
Plasticity
Slip deformation
Twinning deformation
The ability of materials to develop a characteristic behavior under repeated loading known as
Toughness
Resilience
Fatigue
Hardness
Which of the following factors affect the mechanical properties of a material under applied loads?
Content of alloys
Shape of material
Imperfection and defects
Grain size
The ability of a material to resist plastic deformation known as
Tensile strength
Modulus of elasticity
Yield strength
Impact strength
The ability of a metal which helps it to form a smooth cast is known as
Machinability
Formability
Solderability
Castability
What is the machinability index of soft cast iron?
30
70
80
100
Which of the following material has maximum ductility?
Copper
Mild steel
Nickel
Aluminum
The factor considered for evaluation of maintainability is
cutting forces and power consumption
tool life
type of chips and shear angle
all of the mentioned
_____________ is the ability of a given metal work piece to undergo plastic deformation without being damaged
Fatigue Strength
Formability
Hardness
Creep Strength
Processes affected by the formability of a material include?
Rolling
Hydroforming
Extrusion
All of the above
Formability in sheet metal is characterized using forming limit curves
TRUE
FALSE
Can be true or false
Can not say
A metal with a large elongation has __________ formability
Bad
Good
Depends on metal
None of the above
_____ increases the formability of the metal sheet.
Cold working
Annealing
Inclusions
Grain coarsening
Synthetic rubber is used for
V-belt
Gaskets
Seals
All three parts
Thermosetting plastic is one
Which softens when heated and hardens upon
Which once having cured by chemical reaction, does not soften or melt upon subsequent heating
Which can be moulded and remoulded repeated
Which has linear polymer chain
Material used for self-lubricated bearing is
Acetal
Polyurethane
Polytetrafluroethylene (Teflon)
Any one of above
Fibers used for fiber-reinforced-plastics are made of
Steel wires
Hemp
Glass and carbon
Asbestos
Examples of Ceramic materials are
Sand
Cement
Rubber
Glass
Fiber glass is familiar example of
Ceramic materials
Composite materials
Organic materials
Polymer material
Which of the following is characteristics of ceramics
Corrosion resistance
Ductility
Hardness
Abrasiveness
What does it represents for A,B,C,D,E in S-N curve?
Elastic limit, Proportional limit, Yield strength, Ultimate strength, Fracture
Proportional limit, Elastic limit, Ultimate strength, Yield strength, Fracture
Proportional limit, Elastic limit, Yield strength, Ultimate strength, Fracture
Elastic limit, Proportional limit, Ultimate strength, Yield strength, Fracture
What does AISI stand for?
American-Indian Steel Institute
American Iron and Steel Institute
American-Indian Society of Iron
Alloys, Iron and Steel Institute
