8/6/2019 Cusat 4th Sem CE Question Paper
1/24
8/6/2019 Cusat 4th Sem CE Question Paper
2/24
BTS(C) IV 10 016 DB . Tech D egree IV S em ester Ex am ination, A pril 2010CE 406 A/B CONSTRUCTION ENGINEERING AND MANAGEMENT I(2006 Schem e)
Time : 3 Hoursaximum Marks : 100PART- A
(Answer ALL questions )8 x 5 = 40)
I . What is scaffolding? What are its uses?What are the requirements of a good formw ork?What are the functions of banks?What is macro economics approach of national income?What are the characteristics of an organisation?What is delegation of authority?What are the functions of m aterials managem ent?Derive an expression for Economic Order Q uantity.
P A R T B (4 x 15 = 60)II. What is shoring? Explain the different types of shoring? (9 )What is under pinning? Explain the conditions in which underpinning becomes (6 )necessary.
ORIII. W hat are the properties of timbers used in the formw ork? (6 )Explain the design features of the formwork for beams. (9 )
IV . What are the different methods of calculation of national income? Explain any three. (15)ORV. Write notes on :(i)emand and supplyfactors of productionelasticity of dem and3 x 5 = 15)
Which are the different types of organisation? Explain any three.15 )OR
(a )xplain centralization and decentralization in m anagement concept.7)(b )xplain the terms organizational conflict and group dynam ics.8)
8/6/2019 Cusat 4th Sem CE Question Paper
3/24
8/6/2019 Cusat 4th Sem CE Question Paper
4/24
8/6/2019 Cusat 4th Sem CE Question Paper
5/24
8/6/2019 Cusat 4th Sem CE Question Paper
6/24
8/6/2019 Cusat 4th Sem CE Question Paper
7/24
8/6/2019 Cusat 4th Sem CE Question Paper
8/24
8/6/2019 Cusat 4th Sem CE Question Paper
9/24
8/6/2019 Cusat 4th Sem CE Question Paper
10/24
BTS (C) IV 10 015 F
B . T ech Degree IV S em ester Ex am ination, A pril 2010CE 405 A/B FLUID MECHANICS H(2006 Scheme)
Time : 3 Hoursaximum M arks : 100PART - A
(Answer ALL questions)8 x 5 = 40)I.a)ompare specific energy curve and specific force curve.State the conditions under which the rectangular section of an open channel
will be most economical. Derive these conditions.Distinguish between backwater curve and draw down curves. Give examplesfor each.Sketch the jump position on a stilling basin for various tail water conditions.Prove that the maximum efficiency of a jet impinging on a series of movingflat plates is 50% .
(t )ow can the best performance curve be obtained with the help of characteristiccurves of a reaction turbine?Discuss few methods adopted to increase the efficiency of centrifugal pumps byaltering the shape of the casing.Discuss the condition under which negative slip occurs in reciprocating pumps.
PART B4 x 15 = 60)II .a)n a rectangular channel 3.5 m wide laid at a slope of 0.0036, uniform flow occursat a depth of 2 m. Find how high can the hump be raised without causing afflux.If the upstream depth of flow is to be raised to 2.5 m, what should be the height
of the hump? Take Manning's n equal to 0.015.7)(b )ater flows in a channel of the shape of isosceles triangle of bed width 'a' andsides making an angle of 45 with the bed. Determine the relations between depth
of flow 'd' and bed width 'a' for maximum velocity condition and for maximumdischarge condition. Use Manning's formula and note that 'd' is less than 0.5 a.8)
ORIII.a)flow of 100 litres per second flows down in rectangular laboratory flume of width0.6 m and having adjustable bottom slope. If Chezy's C is 56 determine the bottomslope necessary for uniform flow with a depth of flow 0.3 m. Also fmd the conveyance
and state of flow (ie. tranquil or rapid).7)
8/6/2019 Cusat 4th Sem CE Question Paper
11/24
2IV .a)tate and discuss the assumptions made in the derivation of the dynam ic equation forgradually varied flow starting from first principles derive equation for the slope of the
coater surface in gradually varied flow with respect to (i) channel bed (ii) horizontal.(b)how that the gradually varied flow equation for flow in a rectangular channel of v ariablewidth B may be expressed as
Q ty dBdY S - +jdxdx2 B1
OR(a )how that the head loss in a hydraulic jump formed in a rectangular channel
2 g (V , - V 2 ).(b)horizontal rectangular channel 3 m wide and 2 m water depth conveys water at18 m 3 /s. If the flow rate is reduced to 2/3 of it's original value, compute the magnitudeand speed of the upstream surge. A ssume that the front of the surge is rectangular and
friction in the channel is neglected.
(a)xplain with sketches the working of an oil pressure governor.7)(b )how from the first principles that the peripheral coefficient of a pelton w heel is 0.5.8)OR
VII.how that in a turbine with radial vanes at inlet and outlet and operating under head 'h',if the velocity of flow at outlet is C times that at inlet, the peripheral velocity `u' and thehydraulic efficiency 'Rh' are given by
2gh- where a is guidee blade angle15)u+ c 2 tan 2 a'+ c 2 tan 2 aA ssuming that the radial component of flow of fluid through a centrifugal pumpremains constant and that the fluid enters radially, prove that the ratio of the pressurehead Hp to the velocity head Hv created by an im peller neglecting the losses is givenbyHp ((IIVAcot Pi ,where U 1s the speed of impeller at outlet, V f ,Hv U, +Vf, cot 1 3is the veloety of flow and /3 is the exit angle of impeller blades. Hence show thatideal efficiency of the impeller is given by ri =(U., V f , c ot p )2U
gie
(vV2)3may be expressed as A E =
(15)
8/6/2019 Cusat 4th Sem CE Question Paper
12/24
8/6/2019 Cusat 4th Sem CE Question Paper
13/24
8/6/2019 Cusat 4th Sem CE Question Paper
14/24
8/6/2019 Cusat 4th Sem CE Question Paper
15/24
8/6/2019 Cusat 4th Sem CE Question Paper
16/24
8/6/2019 Cusat 4th Sem CE Question Paper
17/24
8/6/2019 Cusat 4th Sem CE Question Paper
18/24
B T S ( C ) I V 1 0 0 1 3 I
B . T ech D egree IV S em ester Ex am inat ion , A pril 2010CE 403 AB MECHANICS OF STRUCTURES(2006 Scheme)
T ime : 3 Hoursaximum Marks : 100PART - A
(Answer A L L questions)8 x 5 = 40)
I.a)i)xplain the two basic differences between static and dynamic load.(ii)hat is the maximum value of impact factor for suddenly applied load?Why?(b)xplain the stress train curves for the following materials :Linearly elastic
Nonlinear(iii)lastoplastic(c)efine shear flow in beams and derive an expression for it.(d)how the line of action of force, for not producing torsion in the cross sectionfor the following cases :Beam with doubly symmetric cross sectionBeam with singly symmetric cross section
(iii)eam with unsymmetrical cross section..(e)erive the expression for circumferential and longitudinal stresses developed in acylindrical pressure vessel subjected to internal pressure.(0iscuss with figure three types of strain gauges comm only used.(g)tate and prove Castigliano's theorem.(1 )xplain unit load method for the determination of deflection in a beam.
PART B (4 x 15 = 60)A sliding collar weight with mass 70 Kg falls from a height of 50 mm on to aflange at the bottom of a slender vertical rod. The rod has a length of 1.2 m,cross sectional area of 480 mm 2 and modulus of elasticity E = 206 GPa. Calculatethe maximum downward displacement of the flangethe maximum tensile stress in the rod
(iii)he impact factor.ORIt is required to design a closed coil helical spring which shall deflect 1 mm
under an axial load 100 N at a shear stress of 90 MPa. The spring is to be madeout of round wire having modulus of rigidity of 8 x 10 4 N/mm2 . The meandiameter of the coil is to be 10 times the diameter of the wire. Find the diameter
8/6/2019 Cusat 4th Sem CE Question Paper
19/24
V I I .
2
ft.}(10475150
75ORThe cross section of slit square tube of thickness t is shown in figure Show
that the distance 'e' from the corner of the cross section to the shear centre S
A spherical stainless steel tank having a diameter of 400 mm is used to store propanegas at a pressure of 20 MPa. The properties of steel are as follows, yield stress inlamina is 950 MPa, the yield stress in shear is 450 MPa, the factor of safety is 2.4 themodulus of elasticity is 200 GPa. Poisson's ratio is 0.28 and the normal strain mustnot exceed 1200 x 10'6. Determine the minimum thickness t required for the tank.ORDuring the test of an airplane wing the strain gauge readings from a 45 rosette areas follows gauge A = 520 x 10.gauge B = 360 x 10- 6 and gauge C = 80 x lotDetermine principal strains and maximum shear strains.
8/6/2019 Cusat 4th Sem CE Question Paper
20/24
8/6/2019 Cusat 4th Sem CE Question Paper
21/24
8/6/2019 Cusat 4th Sem CE Question Paper
22/24
B T S ( C ) I V 1 0 0 1 2 G
B . T ech Degree IV S em ester Ex am inat ion, A pril 2010CE 402 A/B SURVEYING II
( 2 0 0 6 S c h e m e )Time: 3 Hoursaximum Marks: 100PART A
(Answer at_ questions) (8 x 5 = 40)1 ..xplain the principle and procedure for setting out a simple curve by two theodolite method.Enumerate v arious types of vertical curves with sketches.List out the factors to be considered for the selection of triangulation figures.Form the normal equations for a, b, c and d in the following equations
Equationeight3a +4b+ 3cd-5 =0a- 2b+ 4c+ 2d-1 = 02a+b+ 2c+ 5d-2 =0
Differentiate between solar apparent time and mean solar time.Explain the following terms:( i)quation of timeii) Sidereal day(iii) Equinoctial points(iv)enith distancev) SolasticesDescribe the location of sounding stations by means of(i) Goss rope soundingsii) Intersecting rangesh.rite a note on the various branches of terrestrial photogrammetry.
PART B (4 x 15 = 60)Two roads meet at an angle of 12730'. Calculate the necessary data for setting outa curve of 100m radius to connect the two straight portions of the road if a theodoliteis available.1 5)
ORExplain three methods for determ ining length of a transition curve.1 5)a.ist out the factors to be co nsidered for the selection of triangulation stations.7)b.wo triangulation stations A and B are 60 kilometers apart and have elevations240m and 280m respectively. Find the minimum height of signal required at B
so that the line of sight may not pass near the ground than 2 meters. The
8/6/2019 Cusat 4th Sem CE Question Paper
23/24
2
a.iscuss the various co-ordinate systems used for specifying the position of a celestialbody.b.he attitudes of a star at upper and lower transits of a star are 70 20 ' and 20 40' ,both the transits being on the north side of zenith of the place. Find the declinationof the star and the latitude of the place of observation.ORa.ist out the properties of a spherical triangle.b.ind the zenith distance and altitude at upper culmination of the stars from the
following data:Declination of star = 42 15' N Latitude of observer = 2 6 40' NDeclination of star = 2 3 20 ' N Latitude of observer = 2 6 40' N(iii) Declination of star = 65 40' N Latitude of observer = 2 6 40' NDifferentiate between air photograph and a map.
ORExplain any five methods to determ ine the levels of points on the river bed and fixthe position of the soundings.
***
8/6/2019 Cusat 4th Sem CE Question Paper
24/24