var questions = new Array();
var choices = new Array();
var answers = new Array();
var response = new Array();

questions[0] = "1. Work done in a free expansion process is";
choices[0] = new Array();
choices[0][0] = "Zero";
choices[0][1] = "Minimum";
choices[0][2] = "Maximum";
choices[0][3] = "P1 V1 - P2 V2/(n-1)";
answers[0] = choices[0][0];

questions[1] = "2. A system absorbs 100 k J of heat and the increase in its internal energy is 100 kJ; the work done is";
choices[1] = new Array();
choices[1][0] = "200kJ";
choices[1][1] = "0kJ";
choices[1][2] = "-200kJ";
choices[1][3] = "100kJ";
answers[1] = choices[1][1];

questions[2] = "3. The specific heats of the gas at constant pressure and constant volume are respectively 1.0 kJ/kg K and 0.72 kJ/kg K; the value of R for the gas is";
choices[2] = new Array();
choices[2][0] = "0.272 kJ/kg K";
choices[2][1] = "1.71 kJ/kg K";
choices[2][2] = "29 Nm/kg K";
choices[2][3] = "290 Nm/kg K";
answers[2] = choices[2][0];

questions[3] = "4. \the compression ratio for a petrol engine generally lies between";
choices[3] = new Array();
choices[3][0] = "6 and 10";
choices[3][1] = "14 and 22";
choices[3][2] = "2 and 8";
choices[3][3] = "10 and 14";
answers[3] = choices[3][3];

questions[4] = "5. The SFC of an engine is 0.25 kg/kW hr. when the fuel used has a calorific value of 36000 kJ/kg. the thermal efficiency of the engine is";
choices[4] = new Array();
choices[4][0] = "50%";
choices[4][1] = "25%";
choices[4][2] = "40%";
choices[4][3] = "27%";
answers[4] = choices[4][2];

questions[5] = "6. When steam condenses and becomes water at the same temperature, the specific heat for the process in kJ/kg k is";
choices[5] = new Array();
choices[5][0] = "infinity";
choices[5][1] = "0.5";
choices[5][2] = "1.0";
choices[5][3] = "0.25";
answers[5] = choices[5][2];

questions[6] = "7. In vapour absorption refrigeration machine fluids used are";
choices[6] = new Array();
choices[6][0] = "freon and lithium bromide";
choices[6][1] = "water and ammonia";
choices[6][2] = "brine and sulphur dioxide";
choices[6][3] = "air and water";
answers[6] = choices[6][1];

questions[7] = "8. In a carnot engine with an efficiency of 40%, the heat rejected to the sink at 27 C is 60 kJ, then the heat supplied in kJ to the engine by the sources is";
choices[7] = new Array();
choices[7][0] = "24";
choices[7][1] = "56";
choices[7][2] = "100";
choices[7][3] = "50";
answers[7] = choices[7][2];

questions[8] = "9. In a simple spur gear train, gears with 24, 48, 32, 72 and 96 teeth are in sequence. The gear with 24 teeth runs at 900 rpm. The speed in rpm of gear with 72 teeth is";
choices[8] = new Array();
choices[8][0] = "450";
choices[8][1] = "225";
choices[8][2] = "2700";
choices[8][3] = "300";
answers[8] = choices[8][3];

questions[9] = "10. a governer in an Ic engine controls the";
choices[9] = new Array();
choices[9][0] = "mean speed variation";
choices[9][1] = "cyclic speed variation";
choices[9][2] = "load fluctuations";
choices[9][3] = "exhaust gas temperature";
answers[9] = choices[9][2];

questions[10] = "11. For a spring controlled governer the relation F = ar+b (F is the controlling force, r is the radius of rotation a and b are constants), indicates that the governer is";
choices[10] = new Array();
choices[10][0] = "unstable";
choices[10][1] = "stable";
choices[10][2] = "insochronous";
choices[10][3] = "satisfactory";
answers[10] = choices[10][0];

questions[11] = "12. 1.25 kg of hydrogen are burnt with stiochiometric air, the mass of air in kg required is (choose the nearest value)";
choices[11] = new Array();
choices[11][0] = "10.0";
choices[11][1] = "21.6";
choices[11][2] = "43.5";
choices[11][3] = "48.6";
answers[11] = choices[11][2];

questions[12] = "13. A low wet bulb temperature indicates";
choices[12] = new Array();
choices[12][0] = "cool air";
choices[12][1] = "cool air with high specific humidity";
choices[12][2] = "cool air with high enthalpy";
choices[12][3] = "cool air with low specific humidity";
answers[12] = choices[12][1];

questions[13] = "14. The moisture in air will condense at";
choices[13] = new Array();
choices[13][0] = "wet bulb temperature";
choices[13][1] = "low point temperature";
choices[13][2] = "saturaion temperature";
choices[13][3] = "dry bulb temperature";
answers[13] = choices[13][1];

questions[14] = "15. Air refrigeration cycle works on the";
choices[14] = new Array();
choices[14][0] = "Brayton cycle";
choices[14][1] = "Bell Coleman cycle";
choices[14][2] = "Carnot cycle";
choices[14][3] = "Sterling cycle";
answers[14] = choices[14][1];

questions[15] = "16. A feather key is on one the following types";
choices[15] = new Array();
choices[15][0] = "sunk";
choices[15][1] = "tapered";
choices[15][2] = "parallel";
choices[15][3] = "tangent";
answers[15] = choices[15][0];

questions[16] = "17. A cotter joint is generally used to transmit";
choices[16] = new Array();
choices[16][0] = "torque";
choices[16][1] = "shear forces";
choices[16][2] = "tensile forces";
choices[16][3] = "bending forces";
answers[16] = choices[16][1];

questions[17] = "18. The screw thread commonly used for transmission of motion is one of the following types of threads";
choices[17] = new Array();
choices[17][0] = "acme";
choices[17][1] = "vee";
choices[17][2] = "knuckle";
choices[17][3] = "British Association";
answers[17] = choices[17][0];

questions[18] = "19. In a flange coupling, the flange bolts are designed for";
choices[18] = new Array();
choices[18][0] = "fatigue";
choices[18][1] = "shear forces";
choices[18][2] = "compression";
choices[18][3] = "tensile forces";
answers[18] = choices[18][1];

questions[19] = "20. In power transmission using open belts or horizontal shafts it is preferable to have the slack side of the belt on the top because";
choices[19] = new Array();
choices[19][0] = "the belt length is smaller";
choices[19][1] = "the slip is more";
choices[19][2] = "the angle of contact is more";
choices[19][3] = "it is safe";
answers[19] = choices[19][2];

questions[20] = "21. Centrifugal tension in belts results in";
choices[20] = new Array();
choices[20][0] = "increased power transmission";
choices[20][1] = "reduced power transmission";
choices[20][2] = "increased belt velocity";
choices[20][3] = "same power transmission";
answers[20] = choices[20][1];

questions[21] = "22. One of the following materials is comonly used for bearings";
choices[21] = new Array();
choices[21][0] = "steel";
choices[21][1] = "gun metal";
choices[21][2] = "zinc";
choices[21][3] = "aluminium";
answers[21] = choices[21][1];

questions[22] = "23. Babbitt metal is an alloy of";
choices[22] = new Array();
choices[22][0] = "tin, copper, antimony and lead";
choices[22][1] = "copper, zinc and tin";
choices[22][2] = "iron and tungsten";
choices[22][3] = "tin, copper, lead and phosphorous";
answers[22] = choices[22][0];

questions[23] = "24. A mass of 40 kg is about to slide down when placed on a plane inclined at 30 degree to horizontal. The coefficient of friction between the plane and the mass is";
choices[23] = new Array();
choices[23][0] = "3/2";
choices[23][1] = "2/3";
choices[23][2] = "1/3";
choices[23][3] = "4/3";
answers[23] = choices[23][2];

questions[24] = "25. Two forces of magnitude 30 N and 40 N act at right angles at a point, the magnitude of the resultant force is";
choices[24] = new Array();
choices[24][0] = "50N";
choices[24][1] = "10N";
choices[24][2] = "70N";
choices[24][3] = "35N";
answers[24] = choices[24][0];

questions[25] = "26. A simply supported beam has a uniformly distributed load on it, the bending moment diagram is";
choices[25] = new Array();
choices[25][0] = "triangle";
choices[25][1] = "parabola";
choices[25][2] = "semicircle";
choices[25][3] = "rectangle";
answers[25] = choices[25][1];

questions[26] = "27. A 3m long simply supported beam has a load of 60 N acting at a distance of 1m from the left hand support, the shear force at a distance 1m from the right hand support is";
choices[26] = new Array();
choices[26][0] = "60 N";
choices[26][1] = "40 N";
choices[26][2] = "20Nm";
choices[26][3] = "20 N";
answers[26] = choices[26][3];

questions[27] = "28. A box of 10 kg mass is being pulled to the left by a force of 10 N and to the right by a force of 15 N, both forces acting parallel to each other. The acceleration of the box in m/s^2 is";
choices[27] = new Array();
choices[27][0] = "2.0";
choices[27][1] = "1.5";
choices[27][2] = "0.5";
choices[27][3] = "zero";
answers[27] = choices[27][2];

questions[28] = "29. An object moves on a horizontal plane at a velocity of 1 m/sec. If no external force acts ont the object, its velocity after 5 sec, is";
choices[28] = new Array();
choices[28][0] = "25 m/s";
choices[28][1] = "5 m/s";
choices[28][2] = "1 m/s";
choices[28][3] = "125 m/s";
answers[28] = choices[28][2];

questions[29] = "30. A square block wieghtining 30N rests on the ground, the coefficient of friction between the block and the ground is 0.6. The force required to pull the block horizontally is";
choices[29] = new Array();
choices[29][0] = "30 N";
choices[29][1] = "50 n";
choices[29][2] = "15 N";
choices[29][3] = "18 N";
answers[29] = choices[29][3];

questions[30] = "31. A military organisation is known as";
choices[30] = new Array();
choices[30][0] = "Line organisation";
choices[30][1] = "Line and staff organisation";
choices[30][2] = "Functional organisation";
choices[30][3] = "Staff organisation";
answers[30] = choices[30][0];

