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msbte.org.in Summer Examination 2019 Question Paper : Maharashtra State Board Technical Education

Organisation : Maharashtra State Board Technical Education
Exam: Summer Examination 2019
Document Type : Question Paper
Year: 2019
Website : https://msbte.org.in/portal/question-paper-search/

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MSBTE Summer Examination Question Paper

Download Question Paper of Summer Examination 2019 Sample Question is now available in the official website of Board of Maharashtra State Board Technical Education.

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MSBTE Summer Examination Question Paper

Instructions

(1) All Questions are Compulsory.
(2) Answer each next main Question on a new page.
(3) Illustrate your answers with neat sketches wherever necessary.
(4) Figures to the right indicate full marks.
(5) Assume suitable data, if necessary.
(6) Mobile Phone, Pager and any other Electronic Communication devices are not permissible in Examination Hall.

Download Question Paper :
22301 :
https://www.pdfquestion.in/uploads/pdf2019/34378-22301.pdf
22302 :
https://www.pdfquestion.in/uploads/pdf2019/34378-22302.pdf
22303 :
https://www.pdfquestion.in/uploads/pdf2019/34378-22303.pdf

Paper Code : 22301

Time : 3 Hours
Marks : 70 Marks
1. Attempt any FIVE of the following: 10
a) State the purpose of alidade and ‘U’ fork in plane table surveying.
b) Define swinging and transiting in theodolite surveying.
c) What is face left and face right observations.
d) State the principle of tacheometry.
e) Define horizontal curve and vertical curves.
f) State uses of Total Station.
g) State uses of GPS.

1. Attempt any FIVE of the following: 10
a) State the purpose of alidade and ‘U’ fork in plane table surveying.
b) Define swinging and transiting in theodolite surveying.
c) What is face left and face right observations.
d) State the principle of tacheometry.
e) Define horizontal curve and vertical curves.
f) State uses of Total Station.
g) State uses of GPS.

2. Attempt any THREE of the following: 12
a) Define orientation and explain back sight method of orientation with sketch.
b) State the functions of optical plummet and shifting head in theodolite.
c) Explain method of repetition of horizontal angle measurement.
d) Explain with sketch notations of simple circular curve.

3. Attempt any THREE of the following: 12
a) Explain measurement of bearing of line using theodolite.
b) State any four essential characteristics of tacheometer.
c) State the procedure of building setout using total station.
d) Define active and passive sources.

4. Attempt any THREE of the following: 12
a) Explain with sketch intersection method of plane table surveying.
b) A traverse survey was conducted and following data is received, find missing length and bearing of line DA
c) State fundamental axis and lines of theodolite and give relations between them.
d) State the features of electronic theodolite.

5. Attempt any THREE of the following: 12
a) Calculate consecutive co-ordinates of following traverse:
b) Following observations were made using tacheometer, find constants of given tacheometer:
Distance 50 m 100 m Staff readings 1.20, 1.40, 1.60 1.25, 1.45, 1.65
c) List any four features of total station.
d) State various applications of GIS.

6. Attempt any THREE of the following: 12
a) State errors eliminated by the method of repetition.
b) Explain offset from long chord methods of curve setting.
c) State the principle of EDM with sketch.
d) State the different sources of errors in GIS.

Paper Code : 22302

Time : 3 Hours
Marks : 70 Marks

1. Attempt any FIVE of the following : 10
(a) Classify roads as per Nagpur Plan.
(b) Define : (i) Camber
(ii) Super-elevation
(c) Enlist types of Gradients.
(d) Define : (i) Road carriageway
(ii) Road shoulder
(e) Define : (i) Traffic density
(ii) Traffic volume
(f) State the necessity of Good drainage (2 points).
(g) State classification of highway maintenance.

2. Attempt any THREE of the following : 12
(a) Define alignment and state the requirement of an ideal road alignment.
(b) State the necessity of providing extra widening on horizontal curves.
(c) Explain the procedure for determining softening point of bitumen.
(d) Define PCU and list four factors affecting passenger car unit.

3. Attempt any THREE of the following : 12
(a) Calculate the safe stopping sight distance for a design speed of 50 kmph for a two way traffic in a single lane road.
Assume f = 0.37 and reaction time = 2.5 seconds.
(b) Explain the procedure for flakiness and elongation test on aggregate.
(c) Discuss the merits and demerits of bitumen road.
(d) List any four causes of Accidents.

4. Attempt any THREE of the following : 12
(a) Draw following road signs :
(i) Speed limit
(ii) No parking
(iii) Narrow Bridge
(iv) Hair pin bend left

(b) Draw a neat labelled sketch of National Highway in Embankment.
(c) Explain the types of hill road curve with neat sketch.
(d) Draw neat sketch of hill road showing its components.
(e) Draw neat sketch of subsurface drainage.

5. Attempt any TWO of the following : 12
(a) Design the rate of super elevation for a Horizontal Highway curve of radius 500 metres and speed 100 kmph. Assume suitable data.
(b) Describe stepwise construction procedure of cement concrete road by continuous bay method.
(c) Enlist different types of traffic island and explain any one in brief with neat sketch.

6. Attempt any TWO of the following : 12
(a) Describe stepwise construction procedure for water bound macadam roads.
(b) Discuss the types and causes of landslides with neat sketch.
(c) Discuss the causes of failure in flexible and rigid pavement.

Paper Code : 22303

Time : 3 Hours
Marks : 70 Marks

(1) All Questions are compulsory.
(2) Illustrate your answers with neat sketches wherever necessary.
(3) Figures to the right indicate full marks.
(4) Assume suitable data, if necessary.
(5) Use of Non-programmable Electronic Pocket Calculator is permissible.

1. Attempt any FIVE of the following : 5 × 2 = 10
(a) Define ductility and plasticity.
(b) Write mathematical expression of temperature stresses with meaning of each term.
(c) Calculate longitudinal stress developed in 2 cm diameter bar undergo tensile force of 120 kN.

(d) Define and explain Bulk Modulus.
(e) State any four types of beam.
(f) State the position of maximum shear stress and bending stress in S/S rectangular beam section carrying udl.
(g) Define effective length in column with its application.

2. Attempt any THREE of the following : 3 × 4 = 12
(a) Define ‘Moment of inertia’ and write mathematical expression of square and quarter circle with both axes.

(b) Define ‘radius of gyration’ and state its application. Calculate radius of gyration for circular lamina of diameter 500 mm.

(c) Calculate moment of inertia about the base of composite lamina made up of a semicircle of 120 mm base diameter is removed from base of rectangle 120 mm × 500 mm such that lamina is symmetrical to Y-axis.

(d) Find centroidal moment of inertia about X-X axis of ‘symmetrical I’ section with flanges 200 mm × 12 mm and web 10 mm × 300 mm.

3. Attempt any THREE of the following : 3 × 4 = 12
(a) Sketch the standard stress-strain curve for mild steel and tor steel bar under axial tension and show important points on it.

(b) A steel rod is subjected to an axial pull of 25 kN. Find minimum diameter if the stress is not exceed 100 N/mm2. The length of rod is 2000 mm and take E = 2.1 × 105 N/mm2.

(c) A square R.C.C. column of 300 mm × 300 mm in section with 8 steel bars of 20 mm diameter carries a load of 360 kN. Find the stresses induced in steel and concrete. Take modular ratio = 15.

(d) A compound bar having steel rod of dia. 35 mm and solid copper rod of dia. 20 mm and aluminium square rod of 10 mm is as shown in following figure. Find change in length of bar. Take modulus of elasticity Es = 210 kN/mm2, Ec = 110 GPa and Eal = 70 GPa.

4. Attempt any THREE of the following : 3 × 4 = 12
(a) A bar of 20 mm diameter is subjected to a pull of 45 kN. The measured extension on gauge length of 200 mm is 0.05 mm and change in diameter is 0.0025 mm. Calculate the Poisson’s ratio and the value of the modulus of rigidity.

(b) A steel flat 30 mm × 15 mm and 2.8 m long is subjected to an axial pull of 58 kN, if E = 2.1 × 105 N/mm2 and ??= 0.30. Calculate volumetric strain and change in Volume.

(c) Draw shear force and bending moment diagram for cantilever beam of 5 m span subjected to udl of 15 N/m up to midspan from fixity.
(d) Calculate the Euler’s limiting value of slenderness ratio for which it is not valid for long columns. Take E = 2 × 105 MPa & ?c = 320 N/mm2

(e) Calculate the crippling load by Rankine’s formula for a hollow circular column of 300 mm external diameter and 200 mm internal diameter. Unsupported length of the column is 4.2 m. If (a) both ends are fixed and

(b) both ends are hinged. Take ?c = 550 N/mm2, a = (1/1600).

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