Thermal diffusivity of a substance is September 13, 2025 by Admin directly proportional to the thermal conductivity inversely proportional to density of substance inversely proportional to specific heat all of the above ✅ The correct answer is option D.
A turn buckle is used to connect two round rods subjected to tensile loading and requiring subsequent adjustment for tightening or loosening. September 13, 2025 by Admin Yes No ✅ The correct answer is option A.
The property of a material which enables it to retain the deformation permanently, is called September 13, 2025 by Admin brittleness ductility malleability plasticity ✅ The correct answer is option D.
The workdone in a free expansion process is zero. September 13, 2025 by Admin TRUE FALSE ✅ The correct answer is option A.
A screw is specified by its September 13, 2025 by Admin major diameter minor diameter pitch diameter pitch ✅ The correct answer is option A.
A fine grained grinding wheel is used to grind September 13, 2025 by Admin hard and brittle materials soft and ductile materials hard and ductile materials soft and brittle mater ✅ The correct answer is option A.
A hacksaw blade cuts on the September 13, 2025 by Admin forward stroke return stroke both forward and return strokes cutting depends upon t ✅ The correct answer is option A.
In helical gears, the right hand helixes on one gear will mesh __________ helixes on the other gear. September 13, 2025 by Admin right hand left hand ✅ The correct answer is option B.
The condition that results in large quantities of HC emission is September 13, 2025 by Admin high temperature combustion incomplete combustion low temperature combustion high atmospheric tempe ✅ The correct answer is option B.
A file with 50 – 60 teeth in 25 mm is called bastard file. September 13, 2025 by Admin TRUE FALSE ✅ The correct answer is option B.