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WorksheetsEMAT- FINALS
Total questions: 50
Worksheet time: 25mins
What material selection criteria include strength ductility hardness and properties determine how the material responds to load and stress?
Economic and availability factors
Mechanical properties
Physical properties
Sustainability
It is referring to the process of identifying and choosing the most suitable materials for particular application in Engineering?
Material Equipment
Material Criteria
Material Selection
Material Testing
It is considering the environmental impact of using the material its recyclability and life expectancy?
Economic and availability factors
mechanical properties
physical properties
sustainability
What material is used in main engine entablature?
Cast iron
cast steel
nimonic
pearlite cast iron
Which material selection has the thermal conductivity, electrical resistance, density, etc. are under this category?
Economic and availability factors
mechanical properties
physical properties
sustainability
What material is used in main engine main bearing?
cast iron
Tin-Al white metal thin shell bearing
thin shell white metal bearing
white metal bearing
What material is used in main engine exhaust valve?
Cast steel
Mo- Steel with stellite coating
Nimonic
Pearlite cast iron
What material is used in main engine crosshead bearing?
cast iron
Tin-Al white metal thin shell bearing
thin shell white metal bearing
white metal bearing
what material is used in purifier gravity disc?
bronze casting
carbon steel
cast iron
stainless steel
what is used in purifier bowl nut?
bronze casting
carbon steel
cast iron
stainless steel
what method of testing material that analyzes the point at w/c a component asset or materials fails?
bending testing
destructive testing
non-destructive testing
tensile testing
method of testing material do not damage the parts being tested?
bending testing
destructive testing
non-destructive testing
tensile testing
what is the most basic form of material testing of NDT?
magnetic particle inspection testing
radiography testing
ultrasonic testing
visual inspection testing
which method of material testing of NDT uses high frequency sound waves to detect and evaluate flaws measure dimension and characterize material?
magnetic particle inspection testing
radiography testing
ultrasonic testing
visual inspection testing
what method of non-destructive material testing uses X- radiation and gamma radiation to find imperfections in a component or system?
magnetic particle inspection testing
radiography testing
ultrasonic testing
visual inspection testing
which order is right for liquid penetrant test?
development, surface preparation, penetrant apply, inspection
penetrant apply, development, surface preparation, inspection
penetrant apply, development, inspection, surface preparation
surface preparation, penetrant apply, development, inspection
what is the second step of liquid penetrant testing?
apply penetrant
clean and apply developer
defect indication
none of the above
what method of non-destructive testing is a form of electromagnetic testing where inspectors measure the strenghth of eddy currents?
eddy current testing
magnetic particle inspection testing
radiography testing
ultrasonic testing
which method of destructive testing materials that aims to measure how strong a material is pulled?
bending testing
compressive testing
fracture testing
tensile testing
which method of destructive testing materials that aims to evaluate the resistance of materials to load and produce bending?
bending testing
compressive testing
fracture testing
tensile testing
what method of destructive testing material the process uses samples subjected to load until failure occurs?
bending testing
compressive testing
fracture testing
tensile testing
which method of destructive testing material that measures how strong the materials is when pressed?
bending testing
compressive testing
fracture testing
tensile testing
is an essential part of ship construction because it ensures the safety reliability and compliance of ship material components and equipment?
material construction
material equipment
material safety
material testing
which method of destructive testing material is essential in application involving periodic load changes such as engine components?
compressive testing
fatigue testing
fracture testing
tensile testing
what method of non-destructive testing used study leaks and identify in structure of the vessels?
Leak testing - bubble test
radiography testing
ultrasonic testing
visual inspection testing
what is the cause of mechanical phenomenon oscillation around a fix point?
damped
force
natural
vibration
what type of vibration occurs when no external force been applied to the body after displacement has been given?
damped vibration
forced vibration
free or natural vibration
self-excited vibration
which type of free vibration applied the particles of shaft or disc travel to the axis of shaft?
forced vibration
longitudinal vibration
torsional vibration
transverse vibration
which type of free vibration applied the particles of shaft or disc rotate around the axis of the shaft?
forced vibration
longitudinal vibration
torsional vibration
transverse vibration
which type of free vibration applied the particles of shaft or disc move back and forth on a direction perpendicular to the shaft axis?
forced vibration
longitudinal vibration
torsional vibration
transverse vibration
which type of vibration when a machine vibrates under external load?
damped vibration
forced vibration
free or natural vibration
self-excited vibration
what type of vibration when there is a decrease in amplitude at each vibration?
damped vibration
forced vibration
free or natural vibration
self-excited vibration
what type of vibration has a type of periodic motion that occur without external force?
damped vibration
forced vibration
free or natural vibration
self-excited vibration
it is defined as a process for measuring the vibration level frequencies of machinery?
vibration analysis
vibration damper
vibration methodology
vibration process
what is the most common cause of vibration?
bent shaft
defective ball and roller bearing
mechanical unbalance
misalignment
it is characterized by a number of high frequency vibration peaks, plus frequency regions of fluctuating vibration levels?
bent shaft
defective ball and roller bearing
mechanical unbalance
misalignment
this is the second largest cause of vibration even when self-aligning bearings and flexible couplings are used?
bent shaft
defective ball and roller bearings
mechanical unbalance
misalignment
vibration occurs at shaft rotational frequency times the number of gear teeth?
bent shaft
defective ball and roller bearing
defective gear teeth
mechanical unbalance
it is related to the destructive force of vibration, making it the most important parameter?
acceleration
displacement
frequency
velocity
measurements are generally only used when examining the broad picture of mechanical vibrations?
acceleration
displacement
frequency
velocity
what is the meaning of IACS?
international association of certification society
international association of certification system
international association of classification society
international association of classification system
what material is used of cylinder block under IACS certification of engine components?
cast iron
cast steel
gray cast iron
mild steel
what material is used of piston crown under IACS certificationof engine components?
cast iron
cast steel
gray cast iron
mild steel
what is the acronym of GJL in IACS certification of engine components?
cast steel
gray cast iron
mechanical properties
spheroidal graphite cast iron
what is the acronym GJS in IACS certification of engine components?
cast steel
gray cast iron
mechanical properties
spheroidal graphite cast iron
what is the acronym of GS in IACS certification of engine components?
cast steel
gray cast iron
mechanical properties
spheroidal graphite cast iron
what is the acronym of UT in IACS certification of engine components?
cast steel
gray cast iron
spheroidal graphite cast iron
ultrasonic testing
what is UR M73 of IACS requirements on materials?
calculations for I.C. engine crankshafts
certificate of engine component
storage and use of SCR reductants
turbo charger
what is the meaning of UR in IACS requirements on materials?
uniform requirement
unified requirement
unified request
uniform request
what is UR M72 of IACS requirements on materials?
calculation for I.C. engine crankshafts
certificate of engine component
storage and use of SCR reductants
turbo charger
