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CG Paper - 12  JUNE 2005  HYDERABADSECTION I : TECHNICAL 50 QUESTIONS 30 MINS   1) Magnetic compass indicatesa) true north pole b)alionic earth pole c)geographic north pole d)magnetic north pole.2) For a cantilever beam with uniformly varying load, shape of bending moment curve isa)parabolic b) hyperbolic c) straightline d) cubic.3) For perfectly elastic bodies, coefficent of restitution is a) 0 b) 0.5 c) 1 d) infinity.4) For 1st order lever, mechanical advantage is a)<1 b)>1 c) =1 d)none.5) 18:4:1 in H.S.S represent a) 18tu : 4vn : 1 cr. Other choices r just interchanged.6) Due to intense braking of an automobile reaction of wheels on roadWill be equally distributed to all 4 wheels.Will be more at rear wheelsInertia will be on the front wheels.Not remember.if u apply brakes on the weels of a bicycle thena. normal reaction on the wheel increasesb. normal reaction on the wheel decreasesc. normal reaction remains same as there is no radial component of frictional force7) thermal efiiciency of I.C engines will be a)20-25% b)30-35% c)60-75% d) 45- 55%.8) when a mass is supportedby spring of spring constant k, which is cut in 4 equal pieces and the connected in parallel way the equilent spring constant is a)k/4 b) 16k c) 64k d) k.9) when a mass is supported on roof of a elevator and elevator moves with an acceleration of 4.9 m/s2 shows a spring reading of 15kg, then the weight of the body is a) 10 b) 15 c) 30 d)20.10.Mass production of bolts and rivets is by a .hot extrusion b .forging c .cold heading d .cold peening11.why doesn’t mercury stick to glass tubea .cohesive force>adhesive force b .cohesive force<adhesive forcec .cohesive force= adhesive force d .none of the above12.How r bolts and nuts manufactured? a.head stamping b .cold extrusion c .cold peening d .forging13.Eulers formula is used for column of length a. >80 b. <80 c. >90 d. >11014.If a body weighing 40kg floats in water with 40% of volume immersed, the sp.gravity of the body is1 b. 0.16 c. 0.25 d.15.Axial claw clutches a.Disengages b. engages c. engages only with load d. operates only with load16.If center distance of a involute mating gear changes then the pressure angleIncreases b. decreases c. remains unaltered17.Normalising isa.heated above critical temp and cooled in air .b. heated above critical temp and quenched in oilc. heated below critical temp and cooled in air18.The best suited material for permanent magnet a. Alnico b. silicon19.Hookes joint is used fora. parallel and intersecting shafts b. non parallel non intersectingc. nonparallel and intersecting d. parallel and non intersecting20.To have a const.velocity ratio the two gears should have (or) angular velocity of the gear will remain the same if the .......... cuts the line joining ........ at a fixed point ans law of gearing (check for ans)21.Which of the following is a loose running fit a. h6f6 b.h6e6 c. h6d622.Farenheit and centigrade are equal at a.-40 b.0 c. 32 d.10023. M10 hexagonal bolt is manufactured a. upset forging and thread rolling b. casting and thread rolling24.specific speed in a turbo machine depends on a.geometric shape, b.size, c.head, d.all the above.25.unit of surface roughness is a.micron, b.PPM, c.mm2 ,d.meter26.mohr’s circle is used to find a.principle stress, b.resultant of…. ANS:c (check for ans)27.storage,transportation, operation,delay,inspection symbols are used ina.process chart, b.mam m/c chart, c.grant chart, d.all the above.28.melting point of ice changes witha.increase with pressure, b.increase with pressure ratio.29.If the speed of fan is doubled,quantity of air displaced isa.doubled, b.4times, c.1/2 times d.remains same.30. which has less carbon contenta.tool steel,b.spring steel,carburising steel,forging steel.31.when a helical compressive spring is subjected to axial compression load,the stress induced in the spring will bea. tensile, b. compressive, c. shear. d. none32.for a bar element if area, length, and stress are doubled the elastic strain energy will beHalf b. doubled c. 4 times d. 8 times33 for a punching die , 2mm thick sheet, dia. D ,force f, the shear force isans: 8800 (check for ans)34. spheroidising is a process ofannealing b. normalizing c. tempering d. case hardening35 what type of thread is used in lead screw of a lathea. acme thread b. V c. square d. buttress36. Wear allowance of a go nogo end plug gauge is given fora.. go end b. nogo end37. Internal spur gears can be made by usinga. gear shaping b. slotting c. gear hobbing38. Height of the capillary varies withincrease with increase in dia of tube c. increase with increase in sp. weight increase with decrease in dia d. increase with decrease in sp. weight39) a bolt of nomial diameter 33mm the stress of 100N/mm2 the safe load isa)60KN b)100 kn c) 160kn.40) a cylinder with in 1% of the tolerence capacity limit, the permissible tolerence in height and radius areans is 0.2% radius and 0.25 height. (check for ans)41) in ball bearings cage is used forto maintain the ball position b) to maintain parallelism between inner and outer race.42) Pumped storage plants are used mainly forhigh head b) run off river.43) For an incompressible solid , poisson’s ratio is44) distance of ozone layer from surface of eartha. 0 to 100 km b 20 to 50 km c. 50 to 100 km d. 10 to 15 km45) An elevator is moving up with an acc. of 4.9 m/sec2 a body weighing 15 kg is attached with spring balance. what is the value in the spring balance a. 10 b. 15 c. 20 d. 3046) at same heat input and max pressurea. efficiency of otto cycle more than dieselb. efficiency of dual cylce more than dieselc. efficiency of diesel cycle more than ottod. ..............................related47 bending stress is ( y is the distance from the neutal axis)a. inversly proportional to yb. proportional to yc. independent of yd. .........48) if the body is 40% immersed in water what will be its specific gravity49) the temp at the three edges of a square shaped body is 0 C and on the fourth edge is 100 c find thetemp at the centre of the square a. 25 b. 100 c. 50 d. 050)True or falsei)Plaster of parries is mad from dolomite, bauxite, and limestone.ii)Highest temperature is represented by red colour.iii)In ball bearing grease lubrication acts as boundry layer lubrication.SECTION II : APTITUDE 50 QUESTIONS 30 MINSComplete the series: 462 , 420 , 380 , ( ) , 306 ans.342 ..Complete the series: 1,4,9,16, 25 , ( ) ans 36Pick odd one out: geometry , algebra , arithmetic , mathematicsAnalogy - moon : satellite :: earth: ? ans:planetCROMPTON GREAVES INTERVIEW QUETIONSCOMPONENTS OF A MOTOR TRANSFORMER -TYPESDESIGN OF MOTORPOKA YOKE,KANBAN5 P`S INMARKETING,(PRICE,PLACE)WHAT IS TURBO CHARGER?DESIGN OF SILENCER AND IT`S PURPOSEREINFORCED CONCRETE BEAM (RCC BEAM)FORMULA FOR MOMENT OF INERTIAHOW WILL ANALYSE RCC BEAM IN ANSYSLAWS OF THERMODYAMICSCARNOT CYCLE EXPLAIN?WHAT IS TQM, TPM, JIT, 5S PRINCIPLE?DEFINE FORCE?CHARLES LAW ,BOYLES LAWWHY DO YOU USE COLLANT WHILE MACHINING?IRON CARBON EQULIBRIUM DIAGRAM EXPLAIN?QUESTIONS REGARDING YOUR ELECTIVES & INPLANT TRAININGYOUR PERSONAL INTERESTDIFFERENT TYPES OF LOAD ACTING ON BEAMWHEATHER SHEAR FORCE ACT ON RAILWAY BRIDGE?WHAT SUBJECTS YOU STUDIED ,QUESTIONS ON THE SUBJECTS YOU SAYDESIGN A FANWHAT IS THE DIRECTION OF ROTATION OF CEILING FAN ?WHY IT ALWAYS ROTATES IN ANTICLOCKWISE DIRECTION?IF YOU CHANGE DIRECTION OF ROTATION WHAT WILL HAPPEN?  
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