Chemical Engineering Basics Quiz 15

Work required for compression of a gas contained in a cylinder is 7000 kJ. During compression, heat interaction of 3000 kJ causes the surroundings to be heated. Internal energy change of the gas during the compression is ___________ kJ ?

While the bin cards are used in the effective stores management, the queuing theory is associated with the ________ time ?

Which of the following varies as the square root of oil pressure during atomisation of fuel oil through a pressure jet burner ?

X-rays are___________?

Which one is neutral in character ?

Which one can be directly solidified from gaseous state without entering into liquid state ?

While the thermosetting polymers are amorphous in nature, the thermoplastic polymers are either amorphous or crystalline. The crystalline polymers are characterized by the ?

With decrease in the grain size of a material, its creep resistance_____?

While the recrystallisation temperature for pure metals is 0.3 Tm, the same for alloys is equal to _______ ? Tm (where, Tm Melting temperature) ?

Work done by a/an __________ process is determined by ?p. dv ?

With increase in impurities in metals, their corrosion resistances______?

With increase in compression ratio, the volumetric efficiency of air compressor______?

Yield strength of a polycrystalline metal with an average grain size ?d?, is proportional to ______?

Wrought iron is never shaped by___________?

Which of the following properties of a solid is not dependent on crystal imperfection ?

Young?s modulus of a material is the measure of its _____?

Which of the, following is not associated with the functioning of a petrol engine ?

While the oxy-acetylene flame produces a temperature of 3200?C, the temperature produced by oxy-hydrogen flame is about ______ ?C ?

Which one of the following is incombustible ?

Which of the following terminology is used for the temperature at which new grains are formed in a metal ?

Which of the following relationships is correct for relating the three elastic constants of an isotropic elastic material (where, E = Young?s modulus, G = Modulus of rigidity or shear modulus v = Poisson?s ratio) ?

Wrought iron is not______?

Which of the following materials does not form adherent oxide film on surface ?

Work hardenable alloy steel used to make the bucket wheel excavators, blades of bulldozers and other earth moving equipments contain iron, carbon and _____?

With increase in steam pressure, its specific volume decreases ______?

Which of the following processes follows the hardening process for reducing the hardening strains & increasing the toughness of the steel part ?

Which of the following phenomenon will exhibit the minimum heat transfer ?

Which of the following phenomenon/ phenomena is/are diffusion controlled ?

With increase in temperature, the surface tension of water_________?

Which of the following materials has the poorest electrical conductivity ?

With increasing carbon percent in steel beyond 0.8%, its ultimate tensile strength (UTS) and ______ is not affected ?

Wohler test is a destructive test to find out the _____ strength of a prepared metal specimen ?

Which of the following performance characteristics of a S.I engine is not affected by the front end volatility of the petrol used ?

Which of the following metals cannot be hot worked at room temperature ?

Wood is a/an _______ material ?

Which of the following metals is the most prone to work hardening ?

Which of the following rays has the least wavelength ?

Working of linear variable differential transducer (LVDT) is based on the principle of variable_______?

Which of the following metals reacts violently with water ?

Which of the following metals is not subjected to electrolytic refining/purification ?

With increase in temperature, the electrical conductivity of a __________ decreases ?

Wrought iron does not have___________?

Which of the following pairs is not correctly matched ?

Which of the following parameters is not responsible for the heat loss from a hot steam carrying bare pipe surface located in a room without fans ?

With increase in annealing temperature, the following defect density decreases?

Which of the following materials has the least scrap value ?

Work study deals with the ________ study?