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**The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and γ =…****The behaviour of super-heated vapour is similar to that of****One molecule of oxygen is __________ times heavier than the hydrogen atom.****The __________ states that change of internal energy of a perfect gas is directly proportional to the…****Relation between cp and cv is given by (where cp = Specific heat at constant pressure, cv = Specific…****An isothermal process is governed by****The deformation per unit length is called****The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle)****A cylindrical section having no joint is known as****The neutral axis of a transverse section of a beam passes through the centre of gravity of the section…****When a body is subjected to a direct tensile stress (σx) in one plane accompanied by a simple shear…****Kelvin-Planck's law deals with****If the radius of wire stretched by a load is doubled, then its Youngs modulus will be****The absolute zero pressure will be****Diesel cycle consists of following four processes****The unit of Young's modulus is****A shaft revolving at ω rad/s transmits torque (T) in Nm. The power developed is****Kerosene is distilled at****A column of length (l) with both ends fixed may be considered as equivalent to a column of length __________…****The __________ is obtained when carbonisation of coal is carried out at 500° to 700° C.****The tensile strength of the welded joint for double fillet is (where s = Leg or size of the weld, l…****The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is****The thermodynamic difference between a Rankine cycle working with saturated steam and the Carnot cycle…****Which of the following gas has a minimum molecular mass?****The absolute zero temperature is taken as****The calorific value of gaseous fuel is expressed in****If the slenderness ratio for a column is 100, then it is said to be a _________ column.****The amount of heat required to raise the temperature of the unit mass of gas through one degree at constant…****A simply supported beam with a gradually varying load from zero at B and w per unit length at A is shown…****Slenderness of a column is zero when**