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Re: AP PGCET Old Question Papers
As you want I am here giving you sample question paper for Andhra Pradesh PGECET exam for Chemical Engineering Students. AP PGECET exam Chemical Engineering Paper : 1. The value of k so that the equations 3 0 x y z + + = , 4 3 0 x y kz + + = and 2 2 0 x y z + + = have nontrivial solution is A)1 (B) 0 (C) 8 (D) –4 3. The percentage of error in the area of an ellipse when an error of +1 percentage is made in measuring the major and minor axis is A)2 − (B) +2 (C) 0 (D) 1 12. Weight of liquid that rises in a capillary tube is supported by (A) horizontal component of surface tension (B) the Drag force (C) vertical component of surface tension (D) the viscous force 13. The continuity equation is a mathematical statement of (A) law of conservation of energy (B) law of conservation of mass (C) law of conservation of momentum (D) law of conservation of mass and energy 14. The ratio of inertial forces to gravitational forces is better known as (A) Reynolds number (B) Weber number (C) Euler number (D) Froude number 15. Dynamic similarity is (A) the similarity of discharge (B) the similarity of forces (C) the similarity of stream line patterns (D) the similarity of location 16. Buoyant force acting on a floating/submerged body is (A) equal to the weight of liquid displaced and acts vertically downwards (B) the net force acting on a body due to the surrounding fluid (C) the net force necessary to maintain equilibrium of the body (D) equal to the weight of liquid displaced and acts vertically upwards 17. The ratio of pressure forces to inertial forces is (A) Froude number (B) Weber number (C) Euler number (D) Mach number 20. In sudden enlargement in a horizontal pipe, the velocity head is converted to (A) potential head (B) kinetic head (C) not converted (D) pressure head 21. Navier–Stokes equation is useful for (A) non–viscous flow (B) Viscous flow (C) turbulent flow (D) in viscid flow 22. A stagnation point is where (A) the pressure is zero (B) the flow velocity is zero (C) the total energy is zero (D) the flow resistance is the maximum 23. A foot valve is a (A) direction control valve (B) relief valve (C) pressure reducing valve (D) back pressure valve 24. For compressing and moving gases, the pressure difference produced is the maximum for (A) Fans (B) Vacuum Pumps (C) Blowers (D) Compressors 25. The equivalent diameter of a 6 cm x 12 cm conduit is, (A) 2 cm (B) 8 cm (C) 72 cm (D) 6 cm 27. The ratio of the actual mesh dimension of any screen to that in the next smaller screen in that series is (A) 1.41 (B) 2 (C) 1.19 (D) 1.73 28. The specific surface of spherical particles – diameter relation is (A) proportional to diameter2 (B) directly proportional (C) inversely proportional (D) proportional to equivalent diameter2 29. The crushing efficiency of a machine will be about (A) 20 % (B) 80 % (C) 10 % (D) 2 % 30. Rittinger’s law relates the work required in crushing to (A) the number of particles crushed (B) the new surface created (C) the hardness of the particles (D) the surface area of the feed particles 31. The mechanism of size reduction in Ultra fine grinders is primarily (A) cutting (B) attrition (C) impact (D) compression 32. Critical speed of a ball mill depends on (r is ball radius and R is mill radius) (A) only on mill radius, R (B) Only on ball radius, r (C) Difference in R and r (D) (R – r)1/2 Here is the attachment. |
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