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What do you understand by critical points in iron, iron-carbide diagram ?
Why pert is preferred over cpm for evaluation of project ?
Explain difference between fissile and fertile materials?
How with alloying of steel it is possible to a achieve properties which can not be achieved with heat treatment ?
Which is the common element between brass and bronze ?
Define the terms free energy and free enthalpy. What is their significance and importance ?
Maximum combustion temperature in gas turbines is of the order of 1100 to 10°c whereas same is around 00°c in i.c. Engine ? Why ?
Proximity analysis of coal provides data for a first, general assessment of a coal’s quality and type. What elements it reports ?
How much resistance is offered to heat flow by drop wise condensation ?
Horse power of i.c. Engines can be expressed as rac rating, sae rating, or din rating. To which countries these standards belong ?
How is ceramic defined ?
Why thermal efficiency of i.c. Engines is more than that of gas turbine plant ?
What is the difference between isotropic and anisotropic materials ?
The graphite in grey irons exists in the form of flakes which act as stress-raisers under tensile loading and consequently grey irons have relatively low tensile strength and ductility. Still grey iron is extensively used in engineering. Why ?
What are two essential conditions of perfect gas ?
