FCI Question Paper 2015
western zone 12 JULY 2015
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CASTING Multiple Choice Questions
Multiple Choice Questions
1. The metal is subjected to mechanical working for
a. Refining grain size
b. Reducing original block into desired shape
c. Controlling the direction of flow lines
d. All of these
2. The temperature at which the new grains are formed in the metal is called
a. Lower critical temperature
b. Upper critical temperature
c. Eutectic temperature
d. Recrystallisation temperature
3. The dowels are
a. Wooden nails
b. Box nails
c. Wire nails
d. None of these
4. Which of the following material can be used for making patterns?
a. Aluminum
b. Wax
c. Lead
d. All of these
5. Aluminum is the best material for making patterns because it is
a. A light in weight
b. Easy to work
c. Corrosion resistant
d. All of these
6. When a pattern is made in three parts, the bottom part is known as a cope.
a. True
b. False
7. A taper provided on the pattern for its easy and clean withdrawl from the mould is
known as
a. Machining allowance
b. Draft allowance Page 2 of 5
c. Shrinkage allowance
d. Distortion allowance
8. If an aluminum pattern made from a wooden master pattern is to be used for grey
from casting, then the shrinkage allowance allowed on the wooden pattern should
be
a. 10 mm/m
b. 16 mm/m
c. 20 mm/m
d. 26 mm/m
9. The shrinkage allowance for cast iron pattern is
a. 10 mm/m
b. 16 mm/m
c. 20 mm/m
d. 26 mm/m
10. The draft or taper allowance on casting is generally
a. 1 to 2 mm/m
b. 2 to 5 mm/m
c. 5 to 10 mm/m
d. 10 to 15 mm/m
11. The metal patterns as compared to wooden patterns require less
a. Shrinkage allowance
b. Machining allowance
c. Draft allowance
d. Distortion allowance
12. The machining allowance provided on patterns depends upon
a. Type of casting metal
b. Size and shape of casting
c. Method of casting used
d. All of these
13. The surface to be machined is marked on the pattern by
a. Red colour
b. Yellow colour
c. Black colour
d. Blue colour
14. Riddle is used for Page 3 of 5
a. Smoothing and cleaning out depressions in the mould
b. Cleaning the moulding sand
c. Moistening the sand around the edge before removing pattern
d. Reinforcement of sand in the top part of moulding box
15. The adhesiveness is the property of a sand due to which
a. It evolves a great amount of steam and other gases
b. The sand grains stick together
c. It cling to the sides of a moulding box
d. None of these
16. If the sand is too fine, its permeability will be high
a. True
b. False
17. The purpose of a riser is to
a. Deliver molten metal into the mould cavity
b. Act as a reservoir for the molten metal
c. Feed the molten metal to the casting in order to compensate for the
shrinkage
d. Deliver the molten metal from pouring basin to gate
18. Which one of the following material will require the largest size of riser for the
same size of casting?
a. Aluminium
b. Cast iron
c. Steel
d. Copper
19. The directional solidification in casting can be improved by using
a. Chills and chaplets
b. Chills and padding
c. Chaplets and padding
d. Chills, chaplets and padding
20. In permanent mould casting method
a. Molten metal is poured in a metallic mould, retained in the mould long
enough for the outer skin to solidify and finally mould is turned over to
remove molten metal still in molten condition Page 4 of 5
b. Molten metal is poured and allowed to solidify while the mould is
revolving
c. Molten metal is forced into mould under high pressure
d. None of these
21. In a ___________, the molten metal is poured and allowed to solidify while the
mould is revolving.
a. Die casting method
b. Slush casting method
c. Permanent mould casting method
d. Centrifugal casting method
22. In a hot chamber die casting machine
a. Melting pot is separate from the machine
b. Melting pot is an integral part of the machine
c. Melting pot may have any location
d. High temperature and pressure is used
23. Cast iron and steel pipes are produced by
a. Slush casting
b. Investment casting
c. True centrifugal casting
d. Die casting
24. Which of the following statement is wrong?
a. The hot chamber die casting machine is used for casting zinc, tin, lead and
other low melting alloys.
b. The cold chamber die casting machine is used for casting aluminium,
magnesium, copper base alloys and other high melting alloys.
c. The castings produced by centrifugal casting method have open and coarse
grained structure.
d. All of the above
25. In a cold chamber die casting machine, only non-ferrous alloys with _______ are
casted.
a. Low melting temperature
b. High melting temperature
26. The centrifugal casting method, is used for casting articles of
a. Symmetrical shape about vertical axis Page 5 of 5
b. Symmetrical shape about horizontal axis
c. Irregular shape
d. Non-ferrous metal used
27. Match the correct answer from Group B from the manufacturing process given in
Group A.
Group A (Manufacturing process) Group B (Product)
(a) Pressure die casting (a) Automobile piston in aluminium alloy
(b) Gravity die casting (b) Engine crankshaft in spherodial graphite iron
(c) Sand casting (c) Carburetor housing in aluminium alloys
(d) Shell moulding (d) Cast titanium baldes
28. Fin s casting defect which is due to thin projections of metal not intended as a part
of casting.
a. Correct
b. Incorrect
29. Shift is a casting defect which
a. Results in a mismatching of the top and bottom parts of a casting
b. Results in general enlargement of a casting
c. Occurs near the ingates as rough lumps on the surface of a casting
d. Occurs as sand patches on the upper surface of a casting.
30. A casting defect which occurs near the ingates as rough lumps on the surface of a
casting is
a. Shift
b. Sand wash
c. Shift
d. Swell
31. A casting defect which occurs due to improper venting of sand is known as
a. Cold shuts
b. Blow holes
c. Shift
d. Swell
BEL Probationary engineer paper 2014
BEL MECHNICAL PAPER 2014
[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
KONE Graduate Engineer Trainee - Design
| Language | Job ID | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| English | Graduate Engineer Trainee - Design | 16016 | India | Mumbai | Jan 11, 2014 | ||||||||||||||
| Graduate Engineer Trainee - Design | |||||||||||||||||||
| The Engineer – Major Projects Engineering designs the requested solution according to the contract and specification that the Front Line (FL) has agreed with customers. He/she identifies and selects the components required for the solution and designs the individual components to meet customer.. | |||||||||||||||||||
PETRONET LNG
CLICK HERE FOR APPLY http://www.petronetlng.com/careers.aspx
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job opening for Bridgestone, India
JOB OPENINGS - Current Positions @ Bridgestone, India
Graduate Engineer Trainee - Female
Reference No: 2
Location: Chakan-Pune
 Description: Require Fresher for Purchase Department, 2013 pass out
Desired Profile: Good communication Skill, High Analytical Skills, Good with numbers, Hardworking, MS Office
Qualification: BE- Mechanical/ BE Electrical
Additional Requirements: Require Fresher for Purchase Department, 2013 pass out
Minimum Experience: 0 Years
Maximum Experience: 0 Years
Desired Age Group: 21 To 25 Years
Specialisation: Require Fresher for Purchase Department, 2013 pass out
|
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