ESAS · Question Bank

Engineering Materials

203 questions · page 1 of 11. Answer in your head first, then check the solution.

#1
Interaction between the surfaces of two closely adjacent bodies which cause them to cling together is known as
Afriction
Bcohesion
Cadhesion
Dviscosity
#2
Solid which break above the elastic limit are called
Abrittle
Bductile
Cplastic
Dmalleable
#3
The property of some elementary particles that causes them to exert force on one another is known as
Apotential difference
Bcharge
Cspecific change
Dnucleon interaction
#4
When a body is resistant to heat, it is called
Athermoscopic
Bthermotropic
Cthermoduric
Dthermoplastic
#5
The emision of light by a material because of its high temperature is known as
Aincandescence
Bluminescence
Cscintillation
Dphophorescence
#6
Which of the ff statements is correct concerning the passage of white light into a glass prism?
AThe violet color travels faster than the red color
BThe violet color travels slower than the red color
CAll the colors of white light travel with the same speed
DGreater the wavelength, slower the speed of the color
#7
If the properties of a body are the same in all directions, it is called
Aisodynamic
Bisotropic
Cisogonic
Disotopic
#8
The property of an object that determines the direction of heat flow when in contact with another object is called
Acalidity
Bpyrexia
Ccaloric
Dtemperature
#9
The rate of flow of thermal energy through a material in the prescence of a temperature gradient is called
Athermal capacity
Bthermal conductivity
Cthermal radiation
Dthermal convection
#10
The property of some crystals of absorption light to different extents thereby giving to the crystals different colors according to the direction of the incident light is known as
Adichroism
Bdichromatism
Cdiastrophism
Dchromaticity
#11
Emission of radiations from a substance during illumination by radiations of higher frequency is called
Ailluminance
Bfluorescence
Cradioluminescence
Dincandescence
#12
The progressive decrease of a property as a result of repeated stress is called
Adebility
Brigidity
Celastic deformation
Dfatigue
#13
Property of some pure metals and their alloys at extremely low temperatures of having negligible resistance to the flow of an electric current is called
Asupercharging
Bsupercooling
Csuperfluidity
Dsuperconductivity
#14
What are considered as the "building blocks" for engineering materials?
AAtoms
BElements
CMatters
DCompounds
#15
What are the major classes of engineering materials?
AMetals, ceramics, and semiconductors
BPolymers, metals, and composites
CMetals, ceramic, polymers, and semiconductors
DMetals, ceramics, polymers, semiconductors, and composites
#16
What do you call metals reinforced by ceramics or other materials, usually in fiber form?
AMetalloids
BMatrix alloys
CMetal lattices
DMetal matrix composites
#17
What is a combination of one or more metals with a nonmetallic element?
AMetalloid
BMatrix composite
CInert
DCeramic
#18
Polymer comes from the Greek words "poly" which means "many" and "meros" which means _______
Ametal
Bmaterial
Cpart
Dplastic
#19
The engineering materials known as "plastics" are more correctly called __________
APolyvinyl chloride
BPolymers
CPolyethylene
DMers
#20
What is a combination of two or more materials that has properties that the components materials do not have themselves?
ACompound
BComposite
CMixture
DMatrix

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