var questions = new Array();
var choices = new Array();
var answers = new Array();
var response = new Array();

questions[0] = "1. The centre of pressure of a plane submerged area is ";
choices[0] = new Array();
choices[0][0] = "always below the centre of gravity of the are";
choices[0][1] = "coincident with centroid of area if its plane is vertical";
choices[0][2] = "always above the centroid of are";
choices[0][3] = "independent of the inclination of area";
answers[0] = choices[0][2];


questions[1] = "2. The forces coming over the dam is mainly resisted by";
choices[1] = new Array();
choices[1][0] = "water pressure";
choices[1][1] = "uplift pressure";
choices[1][2] = "self weight of the dam";
choices[1][3] = "all the above";
answers[1] = choices[1][2];

questions[2] = "3. The turbine in which the runner blades move and adjust themselves during the operation of turbine is called _____ turbine";
choices[2] = new Array();
choices[2][0] = "Francis";
choices[2][1] = "Kaplan";
choices[2][2] = "Modern Francis";
choices[2][3] = "All the above";
answers[2] = choices[2][1];

questions[3] = "4. A centrifugal pump converts _____ energy into hydraulic energy";
choices[3] = new Array();
choices[3][0] = "electrical";
choices[3][1] = "mechanical";
choices[3][2] = "kinetic";
choices[3][3] = "pressure";
answers[3] = choices[3][3];


questions[4] = "5. Falling drops of rain acquire spherical shape on account of";
choices[4] = new Array();
choices[4][0] = "viscosity";
choices[4][1] = "surface tension";
choices[4][2] = "vapour pressure";
choices[4][3] = "compressibility";
answers[4] = choices[4][0];

questions[5] = "6. The vertical component of pressure force on a submerged curved surface is equal to";
choices[5] = new Array();
choices[5][0] = "Its horizontal component";
choices[5][1] = "the force on a horizontal projection of the curved surface";
choices[5][2] = "the weight of liquid vertically above the curved surface";
choices[5][3] = "the product of pressure at centroid and surface area";
answers[5] = choices[5][3];
 
 questions[6] = "7. Coefficient of resistance Cr for an orifice is equal to";
choices[6] = new Array();
choices[6][0] = "(1 - Cv^2)";
choices[6][1] = "(1/Cv^2 - 1)";
choices[6][2] = "(1 / Cc^2 Cd^2)";
choices[6][3] = "(1 - Cd^2 Cv^2)";
answers[6] = choices[6][1];

questions[7] = "8. A hydraulic jump is used for";
choices[7] = new Array();
choices[7][0] = "increasing the depth of flow";
choices[7][1] = "reducing the energy of flow";
choices[7][2] = "decreasing the velocity of flow";
choices[7][3] = "reducing turbulence";
answers[7] = choices[7][2];

questions[8] = "9. For laminar flow through a pipe, the energy correction factor is";
choices[8] = new Array();
choices[8][0] = "1.03";
choices[8][1] = "1.05";
choices[8][2] = "1.33";
choices[8][3] = "2.00";
answers[8] = choices[8][3];

questions[9] = "10. The force required to act upon the jet of water to change the velocity either in direction or in magnitude is called by";
choices[9] = new Array();
choices[9][0] = "hydrostatic force";
choices[9][1] = "dynamic force";
choices[9][2] = "absolute force";
choices[9][3] = "power canal";
answers[9] = choices[9][3];

questions[10] = "11. The canal through which water is led into mouth of the penstocks is";
choices[10] = new Array();
choices[10][0] = "fore day";
choices[10][1] = "tail race";
choices[10][2] = "trash rack";
choices[10][3] = "power canal";
answers[10] = choices[10][3];

questions[11] = "12. The device fitted to a reciprocating pump for smooth and uniform flow is called";
choices[11] = new Array();
choices[11][0] = "accelerator";
choices[11][1] = "impeller";
choices[11][2] = "booster";
choices[11][3] = "air vessel";
answers[11] = choices[11][1];
 
questions[12] = "13. Surge tank is provided to prevent the effect of";
choices[12] = new Array();
choices[12][0] = "racing of turbine";
choices[12][1] = "pressure reaction";
choices[12][2] = "water hammer";
choices[12][3] = "spilling of water";
answers[12] = choices[12][2];

questions[13] = "14. The minimum distance between centres of rivet holes should be";
choices[13] = new Array();
choices[13][0] = "2.5 times the hole diameter";
choices[13][1] = "1.5 times the hole diameter";
choices[13][2] = "3 times of hole diameter";
choices[13][3] = "equal to the hole diameter";
answers[13] = choices[13][1];

questions[14] = "15. In turbine governing system, the pump used is";
choices[14] = new Array();
choices[14][0] = "centrifugal pump";
choices[14][1] = "reciprocating pump";
choices[14][2] = "gear pump";
choices[14][3] = "uplift pump";
answers[14] = choices[14][2];

questions[15] = "16. Bombay harbour is an example of _____ harbour";
choices[15] = new Array();
choices[15][0] = "artificial";
choices[15][1] = "natural";
choices[15][2] = "excavating";
choices[15][3] = "dreading";
answers[15] = choices[15][0];


questions[16] = "17. The operation of removal of external material from the sea or river bed is known as";
choices[16] = new Array();
choices[16][0] = "digging";
choices[16][1] = "shoveling";
choices[16][2] = "excavating";
choices[16][3] = "dredging";
answers[16] = choices[16][3];

questions[17] = "18. In case of an external mouth piece the pressures at vena contracta is equal to";
choices[17] = new Array();
choices[17][0] = "Ha - 0.98 H";
choices[17][1] = "Ha - 0.89 H";
choices[17][2] = "Ha - 0.77 H";
choices[17][3] = "Ha - 0.87 H";
answers[17] = choices[17][3];

questions[18] = "19. If the Young's modulus of elasticity of a material is twice its modulus of rigidity, then the poisson's ratio of the material is";
choices[18] = new Array();
choices[18][0] = "-1";
choices[18][1] = "-0.5";
choices[18][2] = "0.5";
choices[18][3] = "0";
answers[18] = choices[18][2];


questions[19] = "20. For an isotropic, homogeneous and elastic material obeying Hook's law, number of independent elastic constants is";
choices[19] = new Array();
choices[19][0] = "2";
choices[19][1] = "3";
choices[19][2] = "4";
choices[19][3] = "1";
answers[19] = choices[19][0];

questions[20] = "21. If a material has identical properties in all directions, it is said to be";
choices[20] = new Array();
choices[20][0] = "homogeneous";
choices[20][1] = "isotropic";
choices[20][2] = "elastic";
choices[20][3] = "orthotropic";
answers[20] = choices[20][0];
 
 questions[21] = "22. According to Unwin's formula, the diameter of rivet in mm to suit the t mm thickness of plate is given by";
choices[21] = new Array();
choices[21][0] = "6t";
choices[21][1] = "6 Sqrt(t)";
choices[21][2] = "1.9 Sqrt(t)";
choices[21][3] = "1.5t + 4";
answers[21] = choices[21][2];

questions[22] = "23. The sum of normal stresses is";
choices[22] = new Array();
choices[22][0] = "constant";
choices[22][1] = "variable";
choices[22][2] = "dependent on the planes";
choices[22][3] = "none of the above";
answers[22] = choices[22][0];

questions[23] = "24. A simply supported beam of length l carries a load varying uniformly from zero at left end to maximum at right end. The maximum bending moment occurs at a distance of";
choices[23] = new Array();
choices[23][0] = "1/Sqrt(3) from left end";
choices[23][1] = "1/3 from left end";
choices[23][2] = "1/Sqrt(3) from right end";
choices[23][3] = "1/3 from right end";
answers[23] = choices[23][1];


questions[24] = "25. Of the two prismatic beams of same material, length and flexural strength, one is circular and other is square in cross-section, the ratio of weights of circular and square beam is";
choices[24] = new Array();
choices[24][0] = "1.118";
choices[24][1] = "1.342";
choices[24][2] = "1.000";
choices[24][3] = "0.793";
answers[24] = choices[24][3];

questions[25] = "26. For no torsion, the plane of bending should";
choices[25] = new Array();
choices[25][0] = "be parallel to one of the principal axis";
choices[25][1] = "pass through shear centre of section";
choices[25][2] = "pass through neutral axis of the section";
choices[25][3] = "pass through centre of gravity of the section";
answers[25] = choices[25][2];

questions[26] = "27. A beam of uniform strength has at every cross-section same";
choices[26] = new Array();
choices[26][0] = "bending moment";
choices[26][1] = "bending stress";
choices[26][2] = "deflection";
choices[26][3] = "stiffness";
answers[26] = choices[26][1];


questions[27] = "28. Effective length of a column fixed at one end hinged at the other end is";
choices[27] = new Array();
choices[27][0] = "1/2";
choices[27][1] = "1/Sqrt(2)";
choices[27][2] = "2";
choices[27][3] = "Sqrt(2)";
answers[27] = choices[27][0];

questions[28] = "29. Soundness of cement is tested by";
choices[28] = new Array();
choices[28][0] = "permeability";
choices[28][1] = "impact";
choices[28][2] = "Le chaterlier";
choices[28][3] = "Los angles";
answers[28] = choices[28][3];
 
 questions[29] = "30. During setting and hardening of concrete _____ is generated";
choices[29] = new Array();
choices[29][0] = "Energy";
choices[29][1] = "Heat";
choices[29][2] = "Temperature";
choices[29][3] = "Radiation";
answers[29] = choices[29][0];

questions[30] = "31. In a pre-stressed member it is advisable to use";
choices[30] = new Array();
choices[30][0] = "low strength concrete only";
choices[30][1] = "high strength concrete only";
choices[30][2] = "low strength concrete but high tensile steel";
choices[30][3] = "high strength concrete and high tensile steel";
answers[30] = choices[30][3];