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

questions[0] = "1. The purpose of chaplets is to";
choices[0] = new Array();
choices[0][0] = "Ensure directional solidification";
choices[0][1] = "Provide efficient venting";
choices[0][2] = "Functions as lower and upper parts of the moulding box";
choices[0][3] = "support the cores";
answers[0] = choices[0][0];

questions[1] = "2. The main constituent moulding sand is";
choices[1] = new Array();
choices[1][0] = "Carbon";
choices[1][1] = "Graphite";
choices[1][2] = "Clay";
choices[1][3] = "Silicon";
answers[1] = choices[1][3];

questions[2] = "3. Shrinkage allowance is made by";
choices[2] = new Array();
choices[2][0] = "Adding to external and internal dimensions";
choices[2][1] = "Subtracting from external and adding to internal dimensions";
choices[2][2] = "Subtracting from external and internal dimensions";
choices[2][3] = "Adding to external and subtracting from internal dimension";
answers[2] = choices[2][3];

questions[3] = "4. A large intricate heavy casting weighing two tons is to be cast. The most appropriate moulding process would be";
choices[3] = new Array();
choices[3][0] = "Machine moulding";
choices[3][1] = "Pit moulding";
choices[3][2] = "Cement moulding";
choices[3][3] = "Ceramic moulding";
answers[3] = choices[3][0];

questions[4] = "5. A force of 250 N acts for 0.5 sec on a body of mass 20 kg. which is initially at rest. The velocity attained by the body in m/sec is";
choices[4] = new Array();
choices[4][0] = "6.25";
choices[4][1] = "5.25";
choices[4][2] = "52.5";
choices[4][3] = "62.5";
answers[4] = choices[4][3];

questions[5] = "6. The potential energy of body of mass one kg placed at a height of one metre is";
choices[5] = new Array();
choices[5][0] = "9800 J";
choices[5][1] = "980 J";
choices[5][2] = "9.8 J";
choices[5][3] = "98 J";
answers[5] = choices[5][2];

questions[6] = "7. The unit of energy is S.I. system is";
choices[6] = new Array();
choices[6][0] = "Newton";
choices[6][1] = "Pascal";
choices[6][2] = "Joule";
choices[6][3] = "Watt";
answers[6] = choices[6][2];

questions[7] = "8. A 98N force is sufficient to pull a 100 kg block on horizontal table at a uniforce speed. If g=9.8 m/s^2, the coefficient of friction is";
choices[7] = new Array();
choices[7][0] = "0.98";
choices[7][1] = "0.1";
choices[7][2] = "0.01";
choices[7][3] = "0.098";
answers[7] = choices[7][1];

questions[8] = "9. In a lifting machine, a load of 240 N is being raised and the velocity ratio is 20. If the efficiency of the machine is 40%, the effort is equal to";
choices[8] = new Array();
choices[8][0] = "20N";
choices[8][1] = "25N";
choices[8][2] = "30N";
choices[8][3] = "35N";
answers[8] = choices[8][2];

questions[9] = "10. Two masses of 10 gm and 4 gm are moving with equal kinetic energy. The ratio of their linear momentum is";
choices[9] = new Array();
choices[9][0] = "1:2";
choices[9][1] = "3:1";
choices[9][2] = "4:1";
choices[9][3] = "1:16";
answers[9] = choices[9][2];

questions[10] = "11. Centrifugal tension in belts";
choices[10] = new Array();
choices[10][0] = "Reduce power transmission";
choices[10][1] = "Increase power transmission";
choices[10][2] = "Does not effect power transmission";
choices[10][3] = "The effect is not definite";
answers[10] = choices[10][0];

questions[11] = "12. In V-belts the contact between the pulley and the belt is at the";
choices[11] = new Array();
choices[11][0] = "Bottom only";
choices[11][1] = "Both side and bottom";
choices[11][2] = "Top and bottom";
choices[11][3] = "Sides only";
answers[11] = choices[11][0];

questions[12] = "13. At half load the steam, consumption in the throttle governed engine is 'S1' and in a cut off governed engine it is 'S2' under similar condition";
choices[12] = new Array();
choices[12][0] = "S2>S1";
choices[12][1] = "S2=S1";
choices[12][2] = "S2=S1/4";
choices[12][3] = "S2<S1";
answers[12] = choices[12][0];

questions[13] = "14. For gas turbines, the compressors used are";
choices[13] = new Array();
choices[13][0] = "Reciprocating type";
choices[13][1] = "Centrifugal type";
choices[13][2] = "Axial flow type";
choices[13][3] = "Sliding value type";
answers[13] = choices[13][0];

questions[14] = "15. In vapour compression refrigeration system, compressor is used because";
choices[14] = new Array();
choices[14][0] = "It increases cooling effect of cycle";
choices[14][1] = "It makes possible, to remove heat from refrigerant at atmospheric pressure";
choices[14][2] = "It increases the coefficient of performance of the system";
choices[14][3] = "It removes thermal properties of refrigerant";
answers[14] = choices[14][3];

questions[15] = "16. In a mechanical refrigeration system, the highest temperature of refrigerant occurs,";
choices[15] = new Array();
choices[15][0] = "Between condenser and evaporater";
choices[15][1] = "In evaporator";
choices[15][2] = "Before expansion value";
choices[15][3] = "Between compressor and condenser";
answers[15] = choices[15][3];

questions[16] = "17. A sine bar cannot be used without";
choices[16] = new Array();
choices[16][0] = "Angle gauge";
choices[16][1] = "Vernier calliper";
choices[16][2] = "Slip gauge";
choices[16][3] = "Micrometer";
answers[16] = choices[16][0];

questions[17] = "18. Which one of the following is not part of combination set?";
choices[17] = new Array();
choices[17][0] = "Try square";
choices[17][1] = "Scale";
choices[17][2] = "Bevel Protractor";
choices[17][3] = "Dial guage";
answers[17] = choices[17][1];

questions[18] = "19. For machining the flange of a 90 elbow on a lathe, the following holding device is used.";
choices[18] = new Array();
choices[18][0] = "Lathe dog";
choices[18][1] = "Catch plate";
choices[18][2] = "Angle plate";
choices[18][3] = "Face plate";
answers[18] = choices[18][3];

questions[19] = "20. The purpose of tumbler gears in lathe is to";
choices[19] = new Array();
choices[19][0] = "Cut gears";
choices[19][1] = "Cut threads";
choices[19][2] = "Reduce spindle speeds";
choices[19][3] = "Give desired direction of movement to the lathe carriage";
answers[19] = choices[19][3];

questions[20] = "21. Permeability, in relation to moulding sands, is high for";
choices[20] = new Array();
choices[20][0] = "coarse grains";
choices[20][1] = "fine grains";
choices[20][2] = "round grains";
choices[20][3] = "medium grains";
answers[20] = choices[20][0];

questions[21] = "22. In a typical lathe machining, discontinuous chips are formed when machining";
choices[21] = new Array();
choices[21][0] = "carbon steel";
choices[21][1] = "copper";
choices[21][2] = "steel at high speed";
choices[21][3] = "mild steel";
answers[21] = choices[21][1];

questions[22] = "23. Gnatt chart is used for";
choices[22] = new Array();
choices[22][0] = "efficient machine utilisation";
choices[22][1] = "production scheduling";
choices[22][2] = "manpower utilisation";
choices[22][3] = "routing";
answers[22] = choices[22][1];

questions[23] = "24. Pipes subjected to high pressures are generally made by";
choices[23] = new Array();
choices[23][0] = "slush casting";
choices[23][1] = "pressure casting";
choices[23][2] = "extrusion";
choices[23][3] = "centrifugal casting";
answers[23] = choices[23][3];

questions[24] = "25. Cobalt is added to high speed steel (H.S.S.) to";
choices[24] = new Array();
choices[24][0] = "increase ductility";
choices[24][1] = "increase wear resistance";
choices[24][2] = "increases hot hardness";
choices[24][3] = "increase fatigue";
answers[24] = choices[24][2];

questions[25] = "26. During cold working, metals are worked";
choices[25] = new Array();
choices[25][0] = "below their recrystalization temperature";
choices[25][1] = "below room temperature";
choices[25][2] = "below their melting point";
choices[25][3] = "below 200 degree celcius";
answers[25] = choices[25][0];

questions[26] = "27. Cores are used in a mould to make it";
choices[26] = new Array();
choices[26][0] = "symmetrical";
choices[26][1] = "hollow";
choices[26][2] = "strong";
choices[26][3] = "smooth";
answers[26] = choices[26][1];

questions[27] = "28. Angle plate is used for";
choices[27] = new Array();
choices[27][0] = "cutting tapers in a lathe";
choices[27][1] = "cutting angles in a shaper";
choices[27][2] = "cutting gear in a milling";
choices[27][3] = "fixing job to cut angles is a grinder";
answers[27] = choices[27][1];

questions[28] = "29. A vent wire is used in";
choices[28] = new Array();
choices[28][0] = "Foundry";
choices[28][1] = "Cold forging";
choices[28][2] = "Hot forging";
choices[28][3] = "Fitting";
answers[28] = choices[28][2];

questions[29] = "30. The purpose of using flux in soldering is to";
choices[29] = new Array();
choices[29][0] = "Increase fluidity of solder material";
choices[29][1] = "Fill up gaps in bad joint";
choices[29][2] = "Prevent oxide formation";
choices[29][3] = "Lower the melting temperature of the solder";
answers[29] = choices[29][0];


questions[30] = "31. Cope in foundry practice refers to";
choices[30] = new Array();
choices[30][0] = "Bottom half of moulding box";
choices[30][1] = "Top half of moulding box";
choices[30][2] = "Middle portion of the moulding box";
choices[30][3] = "Coating on the mould face";
answers[30] = choices[30][1];