31. The relative contribution of molecular diffusion to overall mass transfer is highest in
32. Chances of crack propagation are more in
33. For plastic materials, the poisons ratio is
34. An edge dislocation in an infinite body has
35. The newtons law of cooling for convection heat transfer process?
36. A steel ball (density ρsteel = 7200 kg/m3) is placed in an upward moving liquid AI (density ρal = 2360 kg/m3, viscosity μAl = 1 × 10-3 Pa.s and Reynolds number = 5 × 105). The force (F) exerted on the steel ball is expressed as F = fπR2(ρAl V2/2)
where, f is friction factor (= 0.2), v is the velocity of liquid AI and R is the radius of steel ball.
The force exerted on the steel ball is
where, f is friction factor (= 0.2), v is the velocity of liquid AI and R is the radius of steel ball.
The force exerted on the steel ball is
37. A large backup roller is surrounded by various numbers of planetary working rollers is called
38. The polymer in which steric placements of the substituent are arranged in such a way to give alternate d and l configurations, is known as
39. Composites are used in . . . . . . . . of boats.
40. In MIG welding
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