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13th August 2014, 10:04 AM
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Join Date: Apr 2013
Re: Aptitude Questions for L&T

You are looking for L & T Infotech Placement Aptitude Questions and Answers i am giving here:

1. Effect of temp. on viscosity

2. Internal keyways are made by:
ans:milling

3. M33*2 emplies what?

4.how do u decides fits

5.core print=?

6.stroboscope use to measure what

7.piezometer is used to measure
a. static pr. b. vel. c. rate of flow d. total pressure

8.turbine rotating at 3ooo rpm and balanced at 1500 rmp.....
1. ratio of balancing speed to operating speed.
2. " sqrt(bl. speed / op speed) 3. " sqr(bl speed )/op speed 4. .........

9. lap joint hoe many screws will be used.(thickness was not mentioned)

10 how do u decides hardning of guiode way of m/c.

11. stress conentration factor is affected by (couldn't remember option)

12 why a punch is surface hardnend.

1 in diesel engine the comp. ratio is ______ then expansion ratio (more, equal, less,...)

2 carbon help in the improving __ of steel (ductility, malliability, hardness, machinability)

3 max hardness iin steel is due to
a carbon b sulpher & phosphorus c alloy metal d none

4 c. i. is used in heavy m/c beds due to (low cost,has high damping coefficient, its easier)

5 spring in series,give reelation for shiftness (ans:k1*k2/(k1+k2)

6 two material of conductivity k & 2k are used in laggging the [pipe, find the position of material w r to each other for minimum conduction[inner]

7 cronining in pully is done to

8 the shape of the b.m. diagram of cantilever carrying u d l is

9 hammer blow in pipe is due to

10 for uniform st of beam.

11 which beam will be uniformly loaded
a] a simply suported beam carrying point load at center
b]-------------------------------- u d l over hole length
c]---------------------------------centraly half of length
d] a cantilever beam carying u d l

12 a petrol engine having carbon deposition over the piston will effect on

13 fual air ratio in engine having dirty oil filter as compared in carburator with clean oil filter is (ans more)

14 areoplane wing are formed by
a]casting b]forgiing c]wire edm d]streach forming

15 for butt welding of dissimilar metal of unequal thickness,which parameteer should have


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