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Dislocations are _______________ defects?
Related MCQs
M10 index of coke indicates its__________?
Addition of __________ to steel does not impart hardness?
Which of the following is an acidic constituent of B.F. slag ?
Larger length & diameter water pipes are made by__________?
Eutectoid composition of carbon steel at room temperature is__________?
The refrigerant freon-12 is chemically__________?
Water-tube boiler is the one, in which __________?
Ferromagnetic materials owe their properties to __________ inner sub-shells ?
The yield point phenomenon observed in annealed low carbon steel is due to the presence of the following element ?
Out of the following, which will fracture most readity, when hit with a hard hammer ?
__________ stress cannot be sustained by a fluid in equilibrium ?
Oxyacetylene reducing flame is used while carrying out welding on__________?
For a spontaneous natural process at constant temperature and pressure, the free energy of the system always__________?
To improve the machinability of steel, it is generally subjected to __________?
Dephosphorization of molten pig iron is favoured by__________?
Inertial forces are obtained, when the elastic forces are multiplied by __________ number?
Metal shots used in shot blasting are made of __________?
Circular cross section machine parts which are symmetrical about the axis of rotation are made by hot__________?
A pycnometer is used for the measurement of__________?
Wavelength of radiation emitted by a body depends on the __________ of its surface?
Which of the following metals is the most prone to work hardening ?
A cylindrical rod subjected to a tensile strain within the elastic limit undergoes a volume change. If the volume strain is equal to half the tensile strain, then the Poisson’s ratio of the rod is__________?
Working of linear variable differential transducer (LVDT) is based on the principle of variable__________?
The dimensional formula of bulk modulus of elasticity is same as that of the __________?
A highly elastic material is deformed least on loading and retains its original form on removal of the load. Which of the following is the most elastic material ?
The expected efficiency of a single riveted lap joint is of the order of 50%. If the thickness of the plate is increased four times, then the rivet diameter will have to be increased __________ times ?
In TIG welding, thoriated tungsten electrodes are used, because it __________?
In the formation of cermets, the ratio of ceramic material to metallic material is usually 80:20. Which of the following is a cermet ?
For separating small pieces of metal from engine oil of a car, the best separating technique is the __________ ?
Fahrenheit and Centigrade scales have the same readings at __________?
Increasing sulphur content in pig iron tends to make it __________?
The substance used as a smoke screen in warfare is__________?
The mechanism which changes the value of manipulated variable in response to the output signal from the control unit is called the__________?
Carbide tipped cutting tools are manufactured by powder metallurgy techniques and have a composition of__________?
Which of the following low melting alloy containing bismuth and lead is used for electric fuse ?
Specific gravity of a metal, which weighs 5 kg in air and 4 kg when submerged in water, will be__________?
Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses iron ore in the form of__________?
Brazing is the joining of metals__________?
Cementite is in the lamellar form in the __________ phase of steel ?
Difference at any instant between the value of the controlled variable and the set point is called the__________?
The boiling & freezing points on a newly defined temperature scale in degree ‘D’ are 400°D & 100°D respectively. The temperature reading corresponding to 60°C on this new temperature scale will be equal to __________ °D ?
Limestone is added in the blast furnace (during pig iron manufacture) to__________?
Which of the following equipments is used for liquid dispersion ?
Which of the following metals cannot be hot worked at room temperature ?
Which of the following phenomenon will exhibit the minimum heat transfer ?
Corrosion is__________?
Super heating of steam is done at constant__________?
Silicon in steel__________?
Temperature of hot gases flowing in a pipe is measured by a thermocouple inserted in the thermal well. The thermal well made of __________ will facilitate the most accurate measurement of the temperature ?
Which of the following is an unconventional source of energy ?
Wave length of X-rays is about 1 angstrom; however it cannot pass through a sheet of __________?
Dislocations are _______________ defects?
A. Point
B. Line
C. Volume
D. None of these
Correct Answer:
Line
✔
Last Updated:
February 08, 2019