Viscosity of atmospheric air may be about _____________ centipoise?
Viscosity of atmospheric air may be about _____________ centipoise?
A. 0.015
B. 1.5
C. 15
D. 150
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Heat of reaction is not influenced by__________________?
Heat of reaction is not influenced by__________________?A. The route/method through which final products are obtained
B. The physical state (e.g., solid, liquid or gaseous) of reactants and products
C. Whether the reaction is carried out at constant temperature or constant pressure
D. None of theseIn osmosis through a semi-permeable membrane, diffusion of the___________________?
In osmosis through a semi-permeable membrane, diffusion of the___________________?A. Solvent is from low concentration to high concentration region
B. Solvent is from high concentration to low concentration region
C. Solute takes place
D. None of theseThe density of a gas at N.T.P.is ‘ρ’. Keeping the pressure constant (i.e. 760 mm Hg), the 3 density of the gas will become ¾ 0.75 ρ at a temperature of ____________ °K?
The density of a gas at N.T.P.is ‘ρ’. Keeg the pressure constant (i.e. 760 mm Hg), the 3 density of the gas will become ¾ 0.75 ρ at a temperature of ____________ °K?A. 273°
B. 300°
C. 400°
D. 373°Which is a neutral refractory ?
Which is a neutral refractory ?A. Graphite
B. Magnesite chrome
C. Silica
D. MagnesiaViscosity of 1 centipoise is equal to 1 Centistoke in case of________________?
Viscosity of 1 centipoise is equal to 1 Centistoke in case of________________?A. Water
B. Mercury
C. Carbon tetrachloride
D. None of theseHigh porosity refractory bricks have________________?
High porosity refractory bricks have________________?A. Poor resistance to the penetration of molten slag, metal & flue gases
B. Poor heat conductivity & low strength
C. Better thermal spalling resistance
D. All A., B. and C.