LUCAS TVS Interview Questions for Mechanical Engineering Freshers
- Apti – 120 Questions for 1 Hour (NEGATIVE MARKING).
- Interview – Mostly Questions On Manufacturing And In Project Work.
Interview:
Both interview panels Mech & EEE was something like a stress interview, the HR made the students to contradict themselves.
- Process sequence while machining a process.
- Questions in area of interest.
- Questions in project.
And personnel questions like,
- Tell abt yourself.
- Your family background.
- Reason for not placed so far.
- Companies you have attended & in which you have been short listed.
Technical Questions
- Cavitation occurs due to
- Case hardening increases which of the following
- Motor used for starting an engine
- Coolant used while machining using carbide tools
- DIN is formed from which country?- Germany, US, Austria, Japan
- Break even analysis is
- Capital expenses is
- PERT IS _______ ORIENTED, CPM is ______ oriented
- In Nodular C.I., carbon will be of which shape
- In Screw jack, which thread is used
- Copper sheets are produced by
- Nozzles is used for _____pr. And _____ velocity.
- x/y = ½ ; y =4 ; then (x-y)/y = ?
- In 6cm cube, how many 1*2*6 blocks are formed?
- Gantt chart is used for
- Gang milling means
- Slippery in ice is due to
- why rain droplets are spherical in shape
- why bubbles shines-due to diffraction
- shim is associated with
- Priming is done in __________ pump
- Carburetor implies mixture of
- Gear box is placed between
- stuffing box is used in
- what is importance of universal motor
- Differential and gear box, between them which gear is used
- self locking screw means
- Basic shaft should fall
- shaft, pulley, key is designed on the basis of keeping key weaker.
- brazing is used for what materials
- 60cm wheel, 40cm wheel. First wheel moves distance with 280rev., then no of rev. then no. of rev. second wheel moves for same distance
- Radius =10cm if it is decreased by four what is percentage reduction in area
- knocking in SI engine
- Crank shaft is manufactured by
- Hot working increases
- Chromium when added, it increases
- Annealing is used for improving following property. All of the above
- Sine bar is used to measure external taper
- Precision is ___________
- module is _______________
- Rack is _______________
- Radial distance below the PCD and base circle is ______________
- which gear is used for more seed reduction
- what type of heat transfer in radiator of automobile
- why scraping of lathe bed
- In 10MW motor, what is type of cooling
- stator of induction motor, what is type of cooling
- what is a frictionless bearing
- stress induced on the cycle bearing
- Second time of the clock increases 5m in day. What should be done on the length of the pendulum bar
- The difference between the dry bulb and wet bulb temperature
- Perpetual motion machine second kind
- what is the thermoplastics
- depression angle of mercury
- if no resistance is offered in circuit- it implies
- Power capacitor is a
- why Hg is used in the manometer
- which material used in EDM
- need for distributor
- Ignition coil is represented by
- A question on spindle taper----- ans is Morse taper
- Velocity of fluid particle at the centre of the pipe
- more than two support continuous beam
- V – belt angle ?
- After the removal load the body does not comes to original stage instantaneously – it implies
- antifriction bearing ball bearing
- slip gauge’s lowest measurement
- what is the ring on the bottom portion of the piston
- The shafts are connecting two intersecting axis universal coupling
- II second law of thermodynamics defines ----------(entropy)
1.cavitation in cf pump because of lowm pressure
2.priming is in cf pump
3.carburettor mix of fuel+air
4.carburettor principle-venturi
5.antifriction bearing?
6.worm gear is used for-high reduction ratio
7.break even analysis which is considered-fixed variable
8.capital expenditure –fixed asset
9.straddle milling?
10. tool signature consists of
state of refrigeration-condensor (in-vapour out-liquid)
11.rivet property –it should be hard
12. in center of cf pump which will be more-a.velocity b.pressure c. both
15. in automobile battery will be speciofied in –volts
16.gear box location
17.hardness and toughness is considered while selecting a tool for m/cary and material
18. m=D/T T=no of teeth
19.for trasnsmitting power from gear box to wheels which joint is used-universal joint
20.surging in compressor?
21.oldham coupling?
22.in IC engine down rings are-oil rings
23.water bubble having colour-total internal reflection
24.spherical shape of droplet is because of –surface tension
25.backlash in gear
26.slipgauge accuracy is .001 mm
27.beams with so many supports-continuous beam
28.highest friction in load-taper roller
29axis same-flange
30.crank shaft manufacturing –forging
31.din tolerance-germany
32.edm tool material
33.power capacitor is used for
34.parkenising and anodizing
35.after cold rolling –annealing{Ans}
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