The heat and work are boundary phenomena

The heat and work represent the energy crossing the boundary of the system

The heat and work are path functions

All of the above

**The bending moment at a point on a beam is the algebraic ________ of all the moments on either side…****Those substances which have so far not been resolved by any means into other substances of simpler form…****Strain energy is the****A fletched beam is used to****Which of the following statement is wrong?****When a body is subjected to three mutually perpendicular stresses, of equal intensity, the ratio of…****A process, in which the gas is heated or expanded in such a way that the product of its pressure and…****Hooke's law holds good up to****Which of the following is the correct statement of the second law of thermodynamics?****The ratio of maximum shear stress developed in a rectangular beam and a circular beam of the same cross-sectional…****The ratio of the largest load in a test to the original cross-sectional area of the test piece is called****According to Kelvin-Planck's statement, a perpetual motion of the __________ is impossible.****The efficiency of Stirling cycle is __________ Carnot cycle.****The principal constituents of a fuel are****According to Avogadro's law, the density of any two gases is __________ their molecular masses, if the…****Modulus of rigidity may be defined as the ratio of****The increase in entropy of a system represents****The amount of heat required to raise the temperature of __________ water through one degree is called…****A molecule consisting of one atom is known as****When a rectangular beam is loaded transversely, the maximum compressive stress is developed on the****One molecule of oxygen is __________ times heavier than the hydrogen atom.****When two plates are butt together and riveted with cover plates with two rows of rivets, the joint is…****The property of a material by virtue of which a body returns to its original, shape after removal of…****The heating of a gas at constant pressure is governed by****When a gas is heated at constant pressure****The amount of heat generated per kg of fuel is known as****The bending equation is****The value of shear stress which is induced in the shaft due to the applied couple varies****A body is subjected to a direct tensile stress of 300 MPa in one plane accompanied by a simple shear…****When the gas is heated at constant pressure, the heat supplied**