26. The equation used for experimental measurement of viscosity is :
27. Temperature dependency of equilibrium constant is predicted by :
28. In an ideal PFR, the reactant concentration :
29. Baffles in shell and Tube heat exchangers are provided mainly for :
30. .Conversions in reversible exothermic reactions can be improved by :
31. Frossling correlation relates mass transfer coefficient with :
32. Knudsen diffusivity is :
33. .Differential method of analysis of kinetic data is :
34. Rate Selectivity parameter is important in the design of:
35. A U-tube manometer is connected to a vessel to measure the pressure inside. If mercury is the working fluid of manometer, the height difference between two columns of the manometer measured is 24 cm, the pressure inside the vessel in kPa is :
36. One kilogram of water is heated from 20°C to 90°C. If the specific heat of water. is 4.186 kJ/kgK, the entropy change occurred assuming constant specific heat in kJ/kgK is :
37. The volume flow rate of a water jet striking a flat plate placed normal to its path is 0.06 m3/s and exerts a force of 935 N. Considering the density of water as 1000 Kg/m3, the diameter inmm of the water jet is :
38. In order to have maximum power from aPelton turbine, the bucket speed must be
39. Heat and work are :
40. Air at 20°C blows over a hot plate of dimensions 50 x 60 cm maintained at 250°C. If the convection heat transfer coefficient is 29 W/m2°C, the heat transfer took place in kW is :
41. In a condenser of a power plant, the steam condenses at a temperature of 70°C. The cooling water enters at 30°C and leaves at 50°C. The logarithmic mean temperature difference of the condenser is:
42. The work done in kJ/kg to pump water isentropically from 100 KPa and C to 5 MPa at a constant specific volume of 0.001021 m3/kg neglecting the changes in kinetic energy and potential energy is
43. Tooth interference in an external involute spur gear pair can he reduced by;
44. The following data refers to two crossed helical gears used for speed reduction. Gear I: Pitch circle diameter in the plane of rotation 80 mm and helix angle 30°. Gear II: Pitch circle diameter in the plane of rotation 120 mm and helix angle 22.5°. If the input speed is 1280 rpm, the output speed in rpm is :
45. A clutch has outer and inner diameters 100 mm and 40 mm respectively. Assuming a uniform pressure of 2 MPa and coefficient of friction of liner material 0.4, the torque carrying capacity of clutch is :
46. If the equilibrium speed of a governor is constant for all radii of rotation of the fly balls within the working range, it is known as :
47. The gyroscopic couple of a suspended disc rotating at 1000 rpm is 15 N-m and the moment of inertia is 0.4 kg-m2, then the precession velocity of the disc in rad/sec is close to :
48. The fraction of unbalanced mass used for primary balancing of a reciprocating engine is :
49. A stainless steel rod of 10 mm diameter id being reduced to 9 mm by turning on a lathe. If the spindle rotates at 360 rpm and the tool travel rate is 175 mm/min, the material removal rate in mm3/min is close to:
50. The welding processes which uses non-consumable electrode is :
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