Joule (J)

Joule metre (Jm)

Watt (W)

Joule/metre (J/m)

**A bar of copper and steel form a composite system, which is heated to a temperature of 40°C. The…****The assumption made in Euler's column theory is that****Two shafts 'A' and 'B' transmit the same power. The speed of shaft 'A' is 250 r.p.m. and that of shaft…****When the gas is cooled at constant pressure,****Charles' law states that all perfect gases change in volume by __________ of its original volume at…****In order to know whether a column is long or short, we must know its****Resilience is the****The materials which exhibit the same elastic properties in all directions are called****The ratio of root mean square velocity to average velocity of gas molecules at a particular temperature…****In closed cycle gas turbine, the air is compressed****A close cycle gas turbine gives __________ efficiency as compared to an open cycle gas turbine.****The maximum diameter of the hole that can be punched from a plate of maximum shear stress 1/4th of its…****The increase in entropy of a system represents****The amount of heat required to raise the temperature of the unit mass of gas through one degree at constant…****A concentrated load is one which****The point of contra flexure is a point where****The total energy of a molecule is shared equally by the various degrees of freedom possessed by it.…****The specific heat at constant volume is****In the tensile test, the phenomenon of slow extension of the material, i. e. stress increasing with…****Workdone during adiabatic expansion is given by (where p1 v1, T1 = Pressure, volume and temperature…****In a tensile test, near the elastic limit zone, the****A series of operations, which takes place in a certain order and restore the initial conditions at the…****In an extensive property of a thermodynamic system****The stress necessary to initiate yielding is****Which of the following has the minimum atomic mass?****A process, in which the gas is heated or expanded in such a way that the product of its pressure and…****The general law of expansion or compression is pvn = C, The process is said to be hyperbolic, if n is…****The following cycle is used for air craft refrigeration****The state of stress at a point in a loaded member is shown in the below figure. The magnitude of maximum…****When a closely-coiled helical spring of mean diameter (D) is subjected to an axial load (W), the deflection…**