Soft coal

Hard coal

Pulverised coal

Bituminous coal

**The cycle in which heat is supplied at constant volume and rejected at constant pressure is known as****The columns whose slenderness ratio is less than 80, are known as****The ratio of maximum shear stress developed in a rectangular beam and a circular beam of the same cross-sectional…****Resilience is the****If the radius of wire stretched by a load is doubled, then its Youngs modulus will be****Young's modulus is defined as the ratio of****The stress necessary to initiate yielding is****The maximum tangential stress in a thick cylindrical shell is always _________ the internal pressure…****In a tensile test on mild steel specimen, the breaking stress as compared to ultimate tensile stress…****According to Kelvin-Planck's statement, a perpetual motion of the __________ is impossible.****The general gas equation is (where p = Pressure, v = Volume, m = mass, T = Absolute temperature, and…****An open system is one in which****When a body is subjected to a direct tensile stress (σx) in one plane accompanied by a simple shear…****Strain is defined as the ratio of****The polytropic index (n) is given by****The stress induced in a body due to suddenly applied load compared to when it is applied gradually is****Carbonisation of coal consists of****According to Kelvin-Planck's statement of second law of thermodynamics,****The oxygen atom is ________ times heavier than the hydrogen atom.****Which of the following is an intensive property of a thermodynamic system?****When two plates are butt together and riveted with cover plates with two rows of rivets, the joint is…****Shear stress induced in a shaft subjected to tension will be****Which of the following gas has the highest calorific value?****The value of 1 mm of Hg is equal to****Which of the following process can be made reversible with the help of a regenerator?****The heat flows from a cold body to a hot body with the aid of an external source. This statement is…****The ratio of the largest load in a test to the original cross-sectional area of the test piece is called****Carnot cycle consists of****The ratio of direct stress to volumetric strain in case of a body subjected to three mutually perpendicular…****The torsional rigidity of a shaft is expressed by the**