Uttarakhand Board Class 12 Question Paper 2024 for Agriculture Engineering

UTTRAKHAND BOARD

Question Paper

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Roll No.
No. of pninted pages : 4

1,37 437 (IKV)
2o24
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Agricultural Engineering (Paper-IV)
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(Only for Agriculture Part-I)
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Note : (i) There are in all 77 questions in this question pap€r, All questions are
compulsory.
(ii) Question No. 1 is multiple choice type. Question No. 2 to 6 are definite
answer type questions. Question No. 7 to 11 are of very short answer
type questions which are to be answened in about 40 words each.
Question No, L2 to 14 are short answer type to be answered in about
150 words each and Question No. 15 to L7 are long answer type which
are to be answered in about 300 words each.
(iii) Marks allotted to each question are mentioned against them,
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( Multiple Choice Questions)

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Four options are given in each part
of this question. write correct option
ans\,ver sheet. in your

(a) Hig h carbon steel has average
carbon content by weight as:
(i) o '7o/o
(ii) !o/o
(iii) 2o/o (iv) 3o/o
(b) which of the folrowing is not reqr-rired
in a dieser engine?
(i) piston (ii) connecting rod
(iii) Vatve (iv) Carburettor
(c) which water lifting pump set works
while its motor is comptelely inside
water? the
(i) Centrifugal pump (ii) submersible pump
(iii) Turbine pump (iv) Reciprocating pump
(d) Which quality of soil is improved by ploughing _
(i) Phystcat quatity (ii) chemicat quality
(iii) organic quatity
(iv) alt of these
(e) Method/s of power transmissions islare _

(i) Betts and puily (ii) Sprocket Wheels and Chains
(iii) Gears
(iv) all of these
437 (rKv)
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(Definite Answer Type euestions)
2. tr€q Ff, 6r f,€rr fuH Erdr?i * cqT ddr dp 1

Which material is used to make handle of Meston plough?
3. um f*u< Er{r ril-l qr& ru-urq ol qrq+ tg fuH rie mr wil',r 6*r snn *a 1

which instrument is used to measure the pull by a tractor?
4. E-6 Sffir C trFft oqffir {s 6l ss-r r{Fr futr$ Es-r dar *a 1

what is connected to the big end of connecting rod in an engine?
s. u-d EET qq et M e{ 0.1 w fix ufr p'* *r fs* rry tit fr fudqr qrfr frofrrrr
1

A water pump has discharge rate of 0,L cubic meter per minutes. How much
water will it deliver in one hour?
6. qTrk6 b d q-6T{ frfur 1

Write two types of plastic.
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(Very Short Answer Type euestions)
7. Em. 4-qt6 frfiiT gsq b TTqt qld 6r F-rlrrx rds frfuur 2
Mention the strokes of a 4-stroke diseal engine in proper sequence.
B. G-ird dt6T wr d? sftFr et wrdruii tiJT*T sf,rpt z
what is cast iron? State its uses in agricultural machines.
e. uo *mq C mt ftofrosfio wqu b 3q-qtrT ildtpt a
Write the uses of P.T.O. shaft in a tractor.
10. uo rwqrfr-o SA 6]Tdt # qetf" b 5rr lIrT sdrss I z
what are the main parts of a hand operated chaff cutter?
1 1. 160 *fl b cry FHq d urf, 100 trEF{ ffi tr+. dt zrr 40 fr b frRrq 6i fuH aft{ *
gqd'flTe 2
The speed of a gear of 160 teeth is 100 revolutions per minute. At what speed
will it rotate a gear of 40 teeth?
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(Short Answer Type euestions)
12. E6 d-6 et$ rm 6r qnifrid fu, sqTffi ssb rdo. rfl-rr b 6rd ol qrsrT ffirur 4
Draw the labelled diagrarn of a Mouid Board plough and explain the function of
each part of it,

437 (rKV) I3I I P.T.O.

13. dd & sqd#fi${ et 3nwq6ar frRror fu xg sd sna xg of Ed'd b gw rkq s
ffifi 3l<K dai tl 4
Write the need for leveling the field. Differentiate between main objective of
Summer season plough and Winter season plough,
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How many types of irrigation systems are there? Describe each type in brief.
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What is the meaning of Command area? Describe the Command area of a
tubeweli.
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(Long Answer Type euestions)
1s. rs rrff,{ rmr qq 6t mrdfrlq mr qq1foH ft'z Htrd duh fiBst 6
Describe the working of a Turbine pump with the labelled diagram.

3Ter-qr/oR
fftirf,r q-q 6t silcrd dptr ordfrfu 6T rrfrE qufq frtsul
Describe the construction and working of a Centrifugal purnp with labelled
diagram,

16 dd o,t ffi iE !{hTI d"i Ere frfirE nox d *i oi Hfur Edq stfut G
Describe various types of harrow used in seed bed preparation with diagram.

17 u-o' srT q-sT ftt fts,{uT Es 2 rq ficr sfr tim tr sflb 6RT 0.4 ttrfw qF c s *'fi0 urft
M drri c fuiliT e,.c-q f,trT, ufr gm M tr
(&kTT 80 qfu-rd 6
A water pump has a discharge rate of 2 cubic meter per hour. Determine the
time required to irrigate 0.4 hectare land with 5 cm depth of irrigation, if overaii
irrigation efficiency is 80 percent,
$elEil/OR
us 15 *ft0 qrs fi gdr '3T' 180 afiFq sfr frq-d d r< t qF {& t derT ssb sRr s0 tfio
qH q 116 3{dr gfr'o'u,ffi +€ BM !rqr$ Hr q,& dr re'q'bt.rfr bl rrur-{r 6tBs,
Efr gfr deir *c b ffn 10 qfuT6 frmma ti
A 15 cm diameter pully'A'is moving at 180 revolutions per minute and it is
driving another pully 'B' of 30 cm diameter with the help of a flat belt. Determine
the speed of pully 'B', if there is a slippage of 10 percent between the pully and
belt.
*****

437 (rKV) l4t

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