[1]. brake used in railway wagons. . ........

a. electric brake

b.band and drum brake...

[2] absolute zero pressure occurs at . ..

(a) at sea level

(b) at earth center

(c) when molecular momentum becomes zero.......

[3]. four masses , each of mass "a" are placed at each corner of a square , then moment of inertia about a plane perpendicular to square and axis passing throghcenter of sqaure........

[4]..Working of HYDRAULIC RAM is simmilar to......(reciprocating pump)

[5] In centrifugal pump , at the exit of impeller type of flow is.....( radial/free vortex/forced/rectilinear)

[6] Calculate specific speed of turbine, H=275 m, p=3600kw N=400rpm( values not sure )

[7] Hot tear is…… ( casting defect)

[8] For angular measurements which instrument is used …… (Bevel protractor …..

[9] Electric brakes are used in

(a) Trailers (b)cars (c) trucks

[10] spot facing is used for ………..

[11] Templates are used for

(a) copying the complex files

(b) for the ease of operation

(c) for routing…

[12] Problem on ROP (Re Order Point)

[13] What happens when petrol is used in diesel engine-----(high knocking/black smoke/ efficiency dedreases…)

[14] In IC Engines for scavenging process thrust is provided by ( movement of piston)

[15] In IC Engine when compared to outlet valve inlet valve is…(smaller)

[16] top piston ring on Piston is COMPRESSION RING

----DESIGN----

[17] Axial thrust is zero in which gear ….helical/spiral/bevel/worm

[18] Gear shaper is used for shaping ………………. Internal/ external /accuracy

[19] quickreturn mechanism is used in .MIling / Grinding /Broacghing /bloatter

[20] Power to weight ratio of diesel engine as compared to petrol engine (high/low/same)

[21] Problem on finding metacentric height given cylinder height radius and specific gravity

[22] Buoyancy force depends on (weight of the liquid displaced)

[23] Buoyance force means…………..

[24] Failure of metal below the yield point is (fatigue)

[25] Problem on finding life of bearing (cycles)

[26] fatigue strength of a material can be improved by process? SHOTPEENING

[27] paddle wheel problem ..worktransferd to systemand heat transferd to the surrundings are given, we hv to find work done by system

[28] problem of turbine SFEE , change in H,U,K.E, P.E given…find the work done by turbine

[29] Mild steel is (low/high carbon steel?)

[30] which of the following is softer and having less strength (austeninte, cementite , pearlite ?)

[31] Austempering is used to produce {50%austenite, 50%bainite /100% bainite etc..??)

[32] moreMaleable metal (brass/copper/tin)

[33] which of the fallowing can be drawn to wire (cu/ ??)

[34] COP of domestic refrigerator compared to AC

[35] springs are parallel, effective stiffness….(2*K)

[36] footstep bearing in vertical turbine is (Partially/completely/successfully/not constrained motion ?

[37] rubbing velocity of joint with opposite moving links------- (Wa+Wb)* r

[38] for balancing reciprocating masses which are to be balanced----primary force , couple, secondary force and couple….

[39] closed cycle gas turbine is (more flexible/ less flexible/ is used when gas ??)

[40] refrigeration vapour compression cycle works on (reverse carnot cycle/ reverse rankine cycle ??)

[41] one of the principal stress is zero what is the value of other principal stress (twice of shear stress)

[42] shear stress is (half of the difference of the principal stress)

[43] Slenderness ratio is less than 32 is called (short/long/ column??)

[44] creep on belt drive is caused due to (large driver shaft/ uneven expansion contration of belt etc ??)

[45] maximum power transmission on beltdrive when centrifugal tension is …(3 times)

[46] to avoid cavitation in centrifugal pump (pressure on suction or delivery side is low/ high?)

[47] coefficient of discharge vs coefficient of velocity (high or low :?:)

[48] rotameter is used for FLOW measurement

[49] roughness in drawings is represented by TRIANGLES

[50]in ABC analysis maximum concentration is on (materials which consumes more money/ high demand/which has no value :? )

[51] truck moving on curved path given radus, coefficnet of friction find velocity of the truck ? r=100m ,u=0.5

[52] screw is specified by (major diameter X pitch }

[53] washer is used for {more bearing area/cushioning effect ??}

[54] BHP of petrol engine is nearly (value like 83% etc ??)

[55] thermal diffusivity is…

[56] heat transfer takes place according to (second law of thermodynamics )

[57] Bernoulli's equation is based on (conservation of energy)

[58] Euler equation in fluid mechanics (conservation of linear momentum)

[59] Ideal fluid is (in viscid or incompressible or both??)

[60] shear stress in shaft subjected to tension (I guess its torsion) is ….max at surface nd zero at center / uniform throughout…

[61] Medium specific speed turbine is (francis)

[62] problem on composite sphere, given ratio of thermal conductivites , ratio of diameters is given, asked to findout temperature drop in two layers?

[63] springs in clutch is for (reduce torsional vibration / reduce speed of vechicle/ reduce jerk in start/ all):?

[64] work done is zero in (throttling/ constant volume/ all}

[65] to specify the state of saturated steam properties needed (temp alone/ pressure alone/ T and P/ pressure and dryness fraction }

[66] Bleeding in turbine refers to

[67] brake bleeding refers to (removing excess air/ ex cess pressure/ vaccum ??}

[68] nozzle at entry (subsonic/supersonic ??)

[69] why ice sometimes look white (due to air /etcetc )

[70] thermal conductivity of which of the following is higher (steam/melting ice/ solid ice/ water ):?

[71] sensible heat , relative humbidity (constant/nc/ dec ??)

[72] temperature at which water vapour in air starts condensing (DPT)

[73] carnot cycle efficiency depends on (temperature range)

[74] cetane number refers to ( ignition quality/ calorific value of fuel / ?? )

[75] surface contact means (lower pair)

[76] tool signature refers to (completespecification of tool/ mathematical reprentation ??? )

[77] tungsten is added for (hot hardness temperature)

[78] hot working temperature is (above recrystallization temperature)

[79] Dielectric fluid used in EDM (kerosene)

[80] flux used in brazing (liquid/ paste/poweder ??)

[81] electrode diameter compared to arc ??? (twice/ half/ 2.5/equal )

[82] seam welding is (continuos spot welding)

[83] naturally available abrasive is (siC/ al2o3??)

[84] product layout is used for (bath production/ continuous production/ utility of machine/. all of these)

[85] queuing theory is related to (waiting time )

[86] problem on EOQ

[87] break even analysis consists of (fixed cost /var/ fix n var/ non)

[88] In spring-mass system natural frequency of mass included spring when compared to mass less one ………(Less)

[89] dM/dx = shear force

[90] hoop stress is CIRCUMFERENTIAL TENSILE STRESS

[91] carbon steel is (alloy of steel and carbon with proportion of suphur n phosporuous ???)

[92] name of boiler accessories

[93] engine chamber is fitted with ??

[94] hydraulic accumulator is used for (oil accumulation /?/?/?

[95]sands are classified according to (source of origin/ grain size and clay content/ permeability number

[96] non destructive test (chapry/ tension test/ impact test/ cupping test )

[97] divergenceangle of draft tube (less 8, more 8, less 15, more 15)

[98] contact between gears while meshing (rotation. Sliding. Partly both )

[99] lewis equation is used to findout (bending stress , compressive stress/ contact/ enurance stress )

[100] water droplets – surface tension

[101] PV=C is what process (hyperbolic)

[102] flexible coupling is used to (reduce the transmission shock/ to completely reduce the shock and reduce the stress reversal )

[103] universal joint (angle torque transmission )

[104] bush used in flexible coupling paint brust (aluminium/ gunmetal/ )

[105] rear axle of heavy trucks is generally (rigid/ semi floating/ floating/3 parts )

[106] shock absorbers is used for (absorbing/ dissipating/ releasing energy)

[107] node is a point where (vibration is zero )

[108] factor of safety is---- yield stress/ allowable stress

[109] cryogenics means—( engineering field deals with liquids below -150dgecent)

[110] crystal imperfection ----( dislocation)

[111] Sensible heat is required to………convert water to steam / vapour to liquid/ raise the temperatute…..

[112] Guide vanes are used for.........

**(a) to avoid the sudden flow ...( not sure)

(b) to send the water at an angle..

(c) to avoid shock flow..

(d) Alll