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“What is the different between height and radius of solid cylinder?” Which of the following option is sufficient alone to find the answer? A) A solid cylinder is made by melting a solid sphere. The radius of cylinder is 3 times the radius of a circle whose area is 154 sq.m. Height of cylinder is equal to the height of cone whose volume is 2772 cubic meters. B) Area of a rectangle whose longer side is ¾ times the radius of a solid cylinder, is 168 sq.m and, Volume of solid cylinder is 2772 cubic meters and its height is 18 m. C) A metallic cone of radius 15m and height 35m is melted into the solid cylinder of radius equal to the radius of a circle whose area is equal to the area of rectangle whose sides are in the ratio 4 : 3 respectively. D) The curved surface area of the solid cylinder is 3 time the surface area of a sphere of radius 7m and height of cylinder is equal to the height of a metallic cone whose curved surface area is 308 sq.m. 
What is the syntax to solve simultaneous equations easily? ; b) sol; c) sol; d) solve;
Consider a given volume of liquid at a temperature T below Tm with a free energy G’. If some of the atoms of the liquid cluster together to form a small sphere of solid, the free energy of the system will change to G, given by________ (Assume V1 volume of the solid sphere, V2 volume of liquid, A is the solid/liquid interfacial area, γ solid/liquid interface free energy, G1 and G2 are the free energies per unit volume of solid and liquid respectively).
Consider the following pairs. S. No. Dispersed Phase Dispersing Medium Type 1. Liquid Gas Aerosol 2. Gas Liquid Foam 3. Liquid Liquid Emulsion 4. Liquid Solid Solid Sol   Which are the correct pairs?
A _________ is a sol of solid particles scattered in a liquid. Foam is a colloidal system in which gas bubbles dispersed in a liquid or solid.
A solid X is in thermal equilibrium with a solid Y. Solid Y has the same temperature as solid Z. If the three solids have different masses and compositions, which one of the following statements is correct? 
A solid cube is cut out from a solid cuboid of length, breadth are in the ratio 3 : 2 and the height of cuboid is 3 less than the breadth. If the area of four walls of cuboid is 200 cm2 then find the total surface area of the resultant solid where side length of cube is 60% of the height of the solid cuboid. 
A hollow cylinder is formed by cutting out a solid cylinder of radius r/k from a solid cylinder of radius r. The height of both solid cylinders was equal. The volume of the hollow cylinder m times the volume of the new solid cylinder. What is the relationship between m and k?
200 kg of solids (on dry basis) is subjected to a drying process for a period of 5000 seconds. The drying occurs in the constant rate period with the drying rate as, Nc = 0.5 × 10-3 kg/m2.s. The initial moisture content of the solid is 0.2 kg moisture/kg dry solid. The interfacial area available for drying is 4 m2/1000 kg of dry solid. The moisture content at the end of the drying period is (in kg moisture/kg dry solid)
Which of the following help to prevent water pollution due to land-disposal of waste? 1. Proper consolidation of waste to reduce pore space and permeability 2. Disposal over impervious strata 3. Layer of impervious sol on the top and the sides of the deposited solid waste