In a reaction turbine, when steam flows through the moving blades.

25) A body is subjected to a tensile stress of 1200 Mpa on one plane and another tensile stress of 600 Mpa on a plane at right angles to the former. It is also subjected to a shear stress of 400 Mpa on the same planes. The maximum normal stress will be

26) The ability of a material to resist softening at high temperature is known as

28) In S.I units, the valu e of the universal gas constant is

29) The force applied on a body of mass 100 kg to produce an acceleration of 5 m/s2 , is