Mechanical learning

                        BASIC THERMODYNAMICS 1. In highly rarefied gases, the concept of this loses validity        (a) Thermodynamic equilibrium        (b) continuum        (c) stability         (d) Macroscopic view point 2. A closed system is one in which:       (a) mass does not cross boundaries of the system, though energy may do so        (b) mass crosses the boundary but not the energy        (c) neither mass nor energy crosses the boundaries of the system        (d) both energy and mass cross the boundaries of the system 3. A thermodynamic system is considered to be an isolated one if :        (a) Mass transfer and entropy change are zero        (b) Entropy change and energy transfer are zero    ...

                         ENGINEERING MECHANICS  1. A force is completely defined when we specify          (a) magnitude          (b) direction          (c) point of application          (d) all of the above 2.  Which one of the following is not a scalar quantity?          (a) Volume          (b) Mass          (c) Force          (d) Length 3.  The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the    resolved part of their resultant in the same direction. This is known as-          (a) Principle of resolution of forces          (b) All of the options          (c) Principle of transm...

        GENERAL PHYSICS PYQ'S  1.The commercial unit of electrical energy is .........                 (a) Watt                (b) Calorie           (c) Kilowatt hour           (d) Joule   2. The S.I. unit of resistivity is:                (a) ohm/m           (b) ohm           (c) mho            (d) ohm m 3. The S.I. unit of resistance is equivalent to:                   (a) joule/coulomb           (b) volt/ampere           (c) ampere/volt           (d) coulomb/joule 4. Newton is the unit to measure ______.        ...