Slick is used for repairing and finishing the mould. September 13, 2025 by Admin Correct Incorrect ✅ The correct answer is option A.
The ratio of velocities of the shafts connected by Hooke’s joint is given by (where N and N1 = Speed of driving and driven shafts (in r.p.m.) respectively, θ = Angle through which the arms of the cross turn, and α = Angle of inclination between the two shafts) September 13, 2025 by Admin ✅ The correct answer is option A.
In the below figure, stress is proportional to strain, for the portion September 13, 2025 by Admin from O to A from A to C from A to D from D to E ✅ The correct answer is option A.
In a flat collar pivot bearing, the moment due to friction is proportional to September 13, 2025 by Admin ✅ The correct answer is option C.
Low helix angle drills are preferred for drilling holes in September 13, 2025 by Admin plastics copper cast steel carbon steel ✅ The correct answer is option A.
The temperature required for full annealing in hyper-eutectoid steel is September 13, 2025 by Admin 30° C to 50° C above upper critical temperature 30° C to 50° C below upper critical temperature 30° C to 50° C above lower critical temperature 30° C to 50° C below l ✅ The correct answer is option C.
A beam encastered at both the ends is called September 13, 2025 by Admin simply supported beam fixed beam cantilever beam continuous beam ✅ The correct answer is option B.
The draught (in mm of water), for maximum discharge of flue gases through the chimney, is given by (where H = Height ot the chimney in metres, and T1 = Absolute temperature of air outside the chimney in K) September 13, 2025 by Admin ✅ The correct answer is option D.
The addition of magnesium to cast iron increases its September 13, 2025 by Admin hardness ductility and strength in tension corrosion resistance creep strength ✅ The correct answer is option B.
Brittle materials when subjected to tensile loads, snap off without giving any sensible elongation. September 13, 2025 by Admin Yes No ✅ The correct answer is option A.