Sessional Test 1st Sem

8/4/2019 Sessional Test 1st Sem

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9*' -@l-sEssroNAL TESr (ENGTNEERtNG eHv{rcs-r}

tTime: One hour

t /' Draw a{iaryam.ghowing single slit diffraction along with observation screen.

/ ,z,

[r*tiTi";1ffi;il;'",ion-, ttre intensity variation on the observation screen is

r = rofg1g'l'

with refe:^l-"" ,o diagram in Q.l, L[rr{n" meaning of ail the .youot, in the7 above equation./ auuvg squarlon- : ,

/' In a single slit diffraction experimen! the first minimum is obtained at the angutar I -position 9:3.5o. Find the intensity ratio

Idt the angutar position S,:2o. @ "l*S

srry rauo

taI me angurar posftron n O"

,K.

";FW@ ?t^*a diagram showing two slit interference, along with the observation/. The intensity variation in a two srit arrangement is liven by

s.,rcrtrrr'iV

2 f-4locoszpU{z

Explain all the symbols involved in the above equation.

d ll,i:."I,ff ;l'ffi:illxl;i11 ffiX""1,?:ily,:::'.'::'e : 4' is r.und,. be

.?7.

?J::.L,1,rgramshowing the three slit interference arrangement; atong with the

ooservatton screen.8' In a three slit interference arrangemen! the intensity pattern is described by

''

( sinsP'1=

Explain all the symbols involved withreference to the diagram in e.7.9' In a three slit arrangement, the intensity at angurar position g= 2.g. is 0.610. Find

, the intensity at .9 = 3.7o a,/,4/,,^.f'A

thin film of oil (Po = 1.20) is f'loating on water(7-r, : 1.33). The thickness of/ W the film is 125 nm' Find the wavelengths in the visible range for which constructive/ interference oc-curs; for ray incident"normally on the oil film (froir ;*ilH;

7 visible range is 400_g00 nm.

-AV'|,"J,:n"arrangement mentioned in Q. l0; find the wavelengths in the visible range for' , which the destructive interference occurs.

--"p'lnthe arrangement of Q. 10, let light of wavelength )"='450nm be incident

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lormally on the oil film. Find three possible values of d such that destructiveinterference occurs.

-213' In the arrangement of Q. t0 let light beam normally falling on oil fitm, consists of' tvi'o wavelength. 4_jgnm and k:1, , m. Find the least possible vatue of

./- -/"_d-"such that

"onst*rtliJilte.ference occu., for both waverengths.

A/,F. NeMon's rings are obtained in the usual setup. The whole arrangement is then( " . immersed in a liquid and it is observed that the radius of 5th bright ring decreases by I,' t0%. Find the refractive index of the liquid.

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M.M.14

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B.Tech.(l-Sem) ll-SESSIONAL TEST (2010-1 1 )

ENGINEERING PHYSICS-I

Time: One hour

nou r.ro"ll1..

M.M. 15

L

2.

3.

Give an example of a conservative force alid an example of a non conservative force. --"'A mass m = l0 gm is attached to a vertically suspended spring and is made to oscillate up

and down. The time per iod is found to be I .5 sec. The time period is seen to increase by 20%

when mass "m" is replaced my another mass "M". Neglecting the mass of the spring, find

the mass M and the spring constant.

A particle of mass 0.25 kg is executing simple harmonic motion. Its position Jr at any time I

is given by

x=At+Arsinat

wlrere Ar=O.Smeter, (o,=] r""-' , A)=-0.5meter. Findthe amplitude,frequency6

and time period of this motion.

Find the potential energy function associated with the following forces/

i\F=lo*ix

ii) F

where fr,

A particle

equation

*: A, cosot + Arsinatt ; A r = 0.3 meter , A2 = 0..4 meter

The time period is known to be 2 second. Find the velocity and kinetic energy of the particle

at f = 0 . At what value of x , is the velocity maximum?

6. It is known that a conservative force may be expressed as the rregative gradient of potential

energy function. For the following potential energy function, find the vector expression for

the associated conservative force

U(x,y,z) = ; where A is a corrsiant.

Write any two of Maxwell's equations in differential

their physical significance.

Find the value of the constant B such that the field

E(x't) = Eu sin (x + P t)

satisfies the differential equation

azE I alE _ rl

^ ) ) ^')dx' c- At-

as well as integral form and indicate

4.

5.

A= k(x -xo) - -xA, xo are constants. It is given that in each case ,U(.x):0 at x = xo.

of mass 0.1 kg is executing simple harmonic motion according to the following

8.

x'+y'+z'



Department of Applied Scie":"t*It-'ru""ity of nngg' c lcnt {vtiTec

MM.3OTime:-lHrs.

trffiXr{,':;::fri"tr:iKi;orbitarDrawMoe-*ul*rorozmorec"reFiffi

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:# "":t ?':"lH:# il:ff ffi'""'i144;i sr*Ilp"i.,ii"i "

i N i and Pb are

tne cc' r.,.rtlv ai25

oc' \L)

q.trdtffi1tffi*:l'#fi:il*":1.ffi i#;,No.Discussco-ordinationNunrber(04)

,frq,ei.iii!*erner.sTheory for co-ordination complexes- (03)

tp,niscuss with examples the ionization isomerism and coordination isomerism'(03)



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DEPARTMENT OF APPLIED SCIENCES & HI'IMANITIES

FacultY of Eng13' & Tech'' JMI

Second Sessional(Engg'Chemistry)

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M.M-30

a.1 @f lna Daniel cellthe concentration of Znson and cuSoa solutions are

-0.001M and 0.1M respectivelf, 't

iq t^9I" standard cell potential is 1'2

volts. Calculate the ernf of the cell at z5 -v' l

ldOiscuss relative aciditiesof CHgCI{zOH' CH3COOH and CICHzCOOH'

Wa.2 {#xprain with the herp.of y^1PI?-"- B::9lf:l^:1'*t}fN)d2-has square

L \F' L^r'is"' -'-:-

"twand [Nicl+]2-has tetrahedral geometry'

6g*rhOlanargeornetry ano [l\lul4] rrar Lsttq'rvsrur :'Y

fi Oir.u.s the unstable compound formation theory of catalysis'

glf O"nn"Polymers and explain Thermoplastic and Thermosetting Polymers'

OR

Write preParation, ProPerties and rrses of PVC and PolYester.

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cc

ooco

o$C/

(b) Discuss Crystal ri99IParamagnetic and(DtaI

in OctahedralComplexes and also show

behaviour of comPlexes.

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Departm"t of Applied sciences and Humlnities

B.Tech. (l Semester) I Sessional Sub: English Max. Ma,rks 30

Answer all questions.

futln the novel 'Old Man

and the Sea' Santiago is an example of extraordinary I

I endurance., courage and determination. Discuss in 150-200 words.I

-.e- -."- -'----ii g2 ln the poem 'To Daffodils'Robert Henrick compares the short-lived nature ofI - flowers to human lives. Explain in 150-200 words.) t --- "- -f'(C 'William

Wordsworth in his poem 'Daffodils' stresses that nature is an eternaljoy and happiness. Discuss in 1SO-200 words. i

/j/4 Join these separate sentences using the words in brackets. Any 4.

human (5)

Daffodil(5)

source of(5)

(4)

a) She must weep. She willdie. (or)

b) He gave me food. Hepomforted me. (not only.....but also)

c) He heard the news. He was glad. (when)

d) The bell rang. They all€me up at once. (as soon as)

e) You finish writing the letter. I shall wait here. (until)

Use the idiomatic expressions in the sentences of your own so that the meaning is clear.Any 3. (3)

Q5.

o{

*{ OV hook or by crook

lame excuse

move one',s heart

b)

c)

gf poisonrd*uon"'"""r,

0 throw cold water on something:

Give the antonyms of the following words. Any 5. (5). .rt&"b^t al.t A -2,&tntenttonal, gleasatrt, vjctoqi, ggXly, f.amous, Qeneficlal, oglldgfn, 4eienf amateur,

?ovance, ?-ttagliye, vague, idle. ?r,-l*i,- 1.dJc^aqdr.{*n\&

l:^= l:.:"rrect form of the verbs given.in the bracket to fifl uo the blanks. (brake.96,

fe, save, hurtifs'

sdve' nurt)'oo.t t - *

(3)

Last week my friend *r(1Uy bus to his village when ne T aboy ptaying on theroad. The bus drivei-but coutO not stop. ThJbus swerved and

-off ine road in

order to the boylilTas a great relief tirat the boy was s,oQe- N".*warjh^^Isa,rr?- -..ly'-



I Semester

Department of Applied Sciences & Humanities

Facultv -of Engi,neering & Technology. JMI.

II Sessional Sub: English MM: 30

Any 8 (8)/ *Su*"",r:\:i:,ry' ,si-rr"i^t-r"-*" ui'onnad[nit*nf knowo., rut',r', t

q{

d

Q2. Mark the Primary Accent on the fcrliowing words.

appli/ion opportuniy$ educate

t-academrc

electrical

terri[g

his tastes, making note of his intere.its and hobbies.

Vice--tQlancellor

abroad

' n7fi h?'- I

'{,p fo fsgde 5 tJ

adw

ky 7 (7)

'h*;w"

(s)

(s)

Write a Letter to the Editor, The Inclian express, New Delhi, bringing to the notice

of the authorities the bad lighting and insanitary conditions in your locality. Use

the following functions :

' 't

lnfor rning, Describing, Arguin3: ('c.ivincing.

Write an essay in about 250 worcls on "Knowledge is Power"

Write a Precis of the following passage:

Even if your child's performance at school has been consistently below par forsometime, don't lose heart. Don't nag him either. Try to eliminate the factors thatmight be demotivating him, suq ofrejiction, fotfo itr,and remov6 sil6ElEiiants and your child's achievement graph still shows no

upward tilt, you would do well to ask yourself honestly, "Does hd cr does he nothave an aptitude for studies?" A rational question, a very healthy doubq it holds

the key to your child's future happiness, for only through a careful analysis of hispotential you ciln select the right profession for him. To a large extent, the parents

must r-nake the analysis themselves by observing the child :arefirll:v, identi&ing

te@

(s)

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1" sESSIoNAL TEST

BASICS OF ELETRICAL ENGINEERING( EES'101)

B. rEcH coMPurER ENGINEERING (r* srursten)

AfiEMPTANY THREE:

Q 1. State anci cjrive ihe maximum power transfer theorem?

filDeterminetheculelthrough2QresistorinthenetworkbyThevenin,stheorem.

ft

\2-{

to the whole circuit'

u*Qoo'+

"J5Y

6{

\4'",4 ///.\

:f5}(P- 2

ar/t ,>za'at Ld ?

Q3.

#

TwoimpedancesZlandZ2areconnectedinparall"t.rn"firstbranch}qsffiE"id'^'.#::i;4@;; ;;ffi . ,."ro,"*" of 5 Q, whire the second branch takes a lagdng currefit at p

hctor o.8. The.total pgwer supplied is 5 kw' the applied voltage being (100 + j2o0V' Deterrnine

thecomplexexpressionsforbranchcurrentsandtotalcurrent,andthecircuitcQnstants.

ffi':J:.":il:,::*:.:",-inductiveresistorof1of),ano.an]nurrc*,",o;ndcapacitorffi1) The resonantfrequency v v//2) The current at resonant frequency

- -^I'^-^ ^{ 1(rr :l - s aPPliedenavoltageof25vatresonantfrequencyt

3) The voltage across each component wh,\

+4

*iu\f

#

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Ye

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w^d SESSIoNAL TEST

g. trcH coNtputrR rNctNrrRtNe (t'se Mrstrn)Atternpt any three: t3b

From a 1-phase, 24ooh20v, 50kVA transformer, following results are obtained, , z)f"Open --circuit test: 120V, 9.654, 396W on l.v. side

R =y--,

{ ,}r;t

Short circuit test: 92V ,2O.8A,810W on h.v. side.-Jl

1:

calculate the circuit constants and show them on equivalent circuit.

Drive the equivalent circuit of a single phase transformer and also draw the phasor diagrarn on

full- load.

A short shunt compound DC generator delivers 1o0A to a load at 250V. The generator has shuntfield, series field and armature resistance of 1-30 o,0.1o, and o.1 e respectively. calculate-thevoltage generated in armature winclins when r{rnn nor h^,ch ic 1\/ . -.;J "''oltage generated in armature winding, when drop per brush is 1V. rooA,'nlo{r".X

,{

Au

Mi)"'XQf"l-$"'c>e - o'\

?n-

Explain the construction of a DC machine with neat diagram.

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o{P

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\1

First.Sessional Test

Subject: Engineering Mechanics (ME-l 0l)

B. Tech.(Comp. Engg.) I-Semester

Attempt any Three QuestionsMax. Marks:30Time: One hour

V lf five forces act on a particle as shown in Fig. I and the algebric sum of horizontal

components of all fcces is -324.904 KN, calculate the magnitude of forces 'P' and

the resultant of allttrc forces../.

;{ I spherical ball of weight 75 N is attached to a string and is suspended from ceiling

W as shown in Fig. ar{ firra the tension in the string, if a horizontal force 'F' is apptied N 1

' to the ball as shoum in Fig.2 (b)l Oetermine the angle the sting makes with the t5,

vertical and also tte tension in the string if F : 1 50 KN- tt X3. Determine the resultant of the coplanar non-concturent force system shown in Fig. 3, (fit"o

calculate its magniMe and direotion and locate its position with reEpect to the sidesV

i,\?!

t,/

far from 'o' the force must be

Fc7.z

w

zaz.gas R *l0o kN

AB and CD.

{ fn beam must be kept in horizontal position- How

. applied? il^* be* 4*r,arsw e' P'3A'q'

*1*I

I

I

Oa)

18 kN

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Uz

;\T'q' \q

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Second Sessional Test

B. Tech. (Computer) I" Semester

Attempt any Three questionsMarks:30Time: One hour

l.A particle moves along x-axis and its position is expresrcd as x = 3-5f -7(, where x is

in meters and t is in seconds l

f,) Determine the position at t:0, 1, 3 andT seconds

d . Oetermine the displacement during t -3sec' to t F Tsec'

d pi"athe average velocity during t:3sec. to t: 7 scc. and instantaneous velocity

t--3 to t =7 sec. and instantaneous

, A Find the distance travelled in the first four.seconds (t = 0 to t : 4 sec-)

//tiil d man walks at a constant speed of 8 m/s along a straight line from P to Q and

/ 'returns along PQ from Q to P at a constant speed of 4mls. Determine:

a) The average speed over the entire trip

Uj fne ur"tag" velocity over entire dP.

(ii) The motion'of a particle is given by the relation x : *- +P+S,where x in meters and

t is in sec. determine the time, position a1d acceleratiur, where v : 0

//. T'irecquation oimotion of a particle moving in a straigftt line is given by x:l5t+3t'?-t3.

Find:A ft

"veloci$

and acceleration at rest

',{) fh"time tiken when the particle reaches its maximumvelocity and correspondingposition'|The

maxirnum velocity of the particle

4. Two blocks A and B are resting on a horizontal plane andcoxnected by a cord as

.showninFig.Theb1ockAstartsfromrestandmovestotheleftwithaconstant>acceleration. Block b attains a velocity of 15 m/s after mving a distance of 30;5m. /

IiT;.","r",ion of blocks A and B 4h*'*' ^&'l'n,

,ryui Velocity and position of block A after 8 sec. f '

. ?'!' ,,2:'" ,oE,b o+ o"*

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Sessional Test 1st Sem

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