Material Engineering Test
_________ of a material represents the condition in which the deformation of a material is elastic.
__________ is the ability of a material to take a different shape as a result of hammering or rolling.
__________ is the capacity of a material to absorb energy when it is deformed.
A boundary at which atomic planes meet at a low angle and then form a structure with boundaries having higher angles is known as ________________.
A metal above the freezing point is in a:
A small atom during diffusion has:
According to the ratio of valence electrons and the number of atoms, in which ratio do beta (β) compounds fall?
An interstitial solid solution is formed when _______.
As per Chvorinov's rule, calculate the total freezing time of a casting whose volume is 8 cubic meters and surface area 4 square meters. The Boltzmann's constant is 10?
Body centered cubic structured materials have ______.
By which of the following equations can the number of defects at equilibrium be determined? where nd = number of defects Ne = number of atomic sites per cubic mole Ed = energy of activation neces...
Calculate the rate of diffusion if the driving force (analogous to E.M.F) is 10 Newton and the resistance to movement is 10 ohm?
Calculate the thickness of the deposition of a solid metal on the basis of the given parameters: Aj = 10 mm / hour (where Aj is a constant which depends upon the poured metal and the mold material...
Calculate the value of D200 in a metal. The metal has a face centered cubic structure and an atomic radius equal to 5 Å.
Critical cooling rate is the slowest rate of cooling at which ___________.
During the solidification of alloys, the liquid phase reacts with the solid phase, which leads to the formation of the solid phase having a different structure. Such a reaction is knows as __________.
How many grain boundaries are there in a single crystal material?
If 'd' is a constant, what is the coefficient of diffusion 'D'?
In the above temperature and time graph, which of the following represents the Binary Eutectic System?
in the austenite phase which form of heat treatment processes is used to deform metastable steel?
In which among the following phase diagrams, is the temperature plotted on the vertical axis?
On the basis of which of the following factors do metals tend to form an intermediate phase rather than a solid solution?
Premature failure of a material under the action of repeated stresses is known as ______.
The absorptivity for any material having any wavelength is equal to its __________.
The arrangement of the internal components of matter in a material is known as ___________.
The beginning of the phase transformation is termed as __________.
The concentration of impurities arising during freezing is known as:
The diffusive processes are irreversible by nature and tend to ______.
The electrical property of a material due to which it offers resistance to high voltages is known as _________.
The grain growth in a material is associated with __________.
The nuclei grow due to the _______.
The resistance to diffusion:
The solids in which the arrangement of atoms or molecules is irregular are known as ____________.
What is the angle of tilt in a tilt boundary surface imperfection?
What is the importance of Burger's vector in line defect?
What is Ultimate Tensile Stress?
Which among the following basic methods for grain size is known as the Heyn method?
Which among the following determines the vacancy mechanism of diffusion?
Which among the following is a microstructure of ferrite and cementite produced on tempering martensite at a temperature above 400ºC?
Which among the following is not a destructive testing method for materials?
Which among the following is not a function of plastic deformation in materials?
Which among the following is not a property of molecular crystals?
Which among the following is the correct calculation for strain in materials?
Which among the following magnetic properties of materials explains the drop in electrical resistance becoming zero at a temperature below a certain critical temperature?
Which among the following materials is used for making coins and medals?
Which among the following materials is used for molded packing to protect the packed items from shock?
Which among the following materials is used for trueing and dressing of grinding wheels?
Which among the following mathematical expressions is used to represent the Gibbs Phase rule? where P = Phase F = Degrees of freedom C = Number of components
Which among the following methods of determining the condition of crystal structure materials is applicable to polycrystalline materials?
Which among the following plastic materials is used to manufacture toys and ice trays?
Which among the following solid solution alloys are considered typical solid solution alloys?
Which among the following tests is used for impact testing?
Which among the following tests is used to determine the deformation of a material at elevated temperatures?
Which among the following type of steels is used to make milk cans for dairy industry?
Which among the following types of contraction occurs during the change of state of a material from liquid to solid?
Which among the following types of defects includes edge and screw dislocation?
Which among the following types of magnetic materials are used to make powerful magnets?
Which among the following types of nuclear fuels is used as structural components in water cooled systems as well as for cladding fuel elements?
Which form of heat treatment methods consists of heating steel to 40ºC - 80ºC above its critical temperature followed by air quenching?
Which form of heat treatment process helps in increasing the carbon content of steel?
Which mechanism among the following is the appropriate mechanism for diffusion in face centered cubic structure materials, body centered cubic structure materials and hexagonal closed packed struct...
Which of the following increases the tendency towards brittle fracture in materials?
Which of the following lines of the phase in a phase diagram does liquid line represent?
Which of the following material structures has a co-ordination number of 8?
Which of the following materials has the highest bond energy (Kilojoules per mole)?
Which of the following terms is used for the atoms that arrange themselves in a distinct pattern?
Which of the following thermal properties of materials is related to the rate at which heat can flow through a material at a given temperature?
Which of the following types of iron is used to make piston rings?
Which stage of quenching begins when the metal surface temperature just reaches the boiling point of the quenching liquid?
Which technique is used to make the grain boundaries of a material visible for micro or macro examination?
Which temperature is called the Curie point, the point at which the magnetic property of iron begins to diminish?
Which type of adhesive materials among the following is made from thermosetting materials?
Which type of alloys is used for making the connecting rod bearings of aircraft engines?
Which type of bond exists between a metallic atom and a non-metallic atom?
Which type of defect is formed when an atom is removed from a normal lattice site?
Which type of diffusion occurs due to the atomic migration along the surface of a phase?
Which type of rubber gloves are worn by people handling laboratory equipments?
Which type of solid solution does the diffusion of materials like Copper and Zinc, Gold and Copper constitute?
While checking the microstructure of iron under a microscope, which form of iron exhibits a ferrite grain boundary?