GTU Semester I BE Exam Paper 2018 : Gujarat Technological University
Board: Gujarat Technological University
Exam : BE – Semester – 1 – Examination
Subject : Computer Programming
Document Type : Current Semester Exam Paper
Website : https://www.gtu.ac.in/Download1.aspx
GTU BE Current Semester I Exam Paper
Download Question Paper of BE – Semester – 1st / 2nd Examination 2018 Sample Question is now available in the official website of Gujarat Technological University.
Related / Similar Question Paper : GTU BA Building Construction-II Exam Paper
Instructions
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks
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Model Questions
Subject Code: 110003
Date: 23-05-2018
Subject Name: Computer Programming & Utilization
Time: 02:30 pm to 05:00 pm
Total Marks: 70
Computer Programming & Utilization
Q.1 (a) Explain Various Symbol used in Flowchart. Draw a flowchart to find factorial of given no. 07
(b) Explain basic structure of C program with example. 07
Q.2 (a) Explain different operators in C. 07
(b) Explain entry controlled and exit controlled loop with suitable example 07
Q.3 (a) Write a program to find sum of digits of a number. (e.g. input number 9834, output is : 9+8+3+4=24) 07
(b) Write a program for simple calculator(+, -, *, /, %) using switch-case statement. 07
Q.4 (a) Define an array. Explain declaration and initialization of one dimensional, two dimensional and multi-dimensional array. 07
(b) Explain elements of user defined functions with suitable example 07
Q.5 (a) Explain following string handling functions:
I. strcat()
II. strcmp()
III. strlen
IV. strstr()
V. strcpy() 07
(b) What is structure? How it is different from union? Explain nested structure with example. 07
Q.6 (a) What is pointer? How Pointer is initialized? How it is different to array? 07
(b) List and explain File Management Functions of C. 07
Q.7 (a) Write a program to print following pattern.
1
2 3
4 5 6
7 8 9 10 07
(b) Write a program to add two 2×2 matrix. 07
Civil Engineering
Q.1 a) Draw the symbol of following objects which is used in Civil Engineering. North line, Main Station, Chain Line, Canal, Brick Work, Concrete Work, Earth Work. 07
(b) Explain Plain scale, Diagonal scale, and Representative fraction scale. 07
Q.2 (a) Explain the fundamental principal of surveying. 07
(b) A 20m chain was found to be 15cm too long after chaining a distance of 2000m. It was found to be 23 cm too long at the end of one day’s work after chaining the total distance of 4200m. Find the true distance if chain was correct before the commencement of work. 07
Q.3 (a) The following are the fore and back bearing of the lines of a closed traverse. Calculate the interior angles of the traverse.
(b) Explain the Major types of Traffic Survey. 07
Q.4 (a) The following readings were taken with a dumpy level and 4m leveling staff. The instrument was shifted 3rd and 6th readings. The readings are: 2.765, 3.335, 3.7, 1.850, 1.115, 2.110, 0.585, 0.995, and 1.515. The first reading was taken with a staff held on a benchmark of 500m. Calculate the reduce level of all points. Apply the usual checks. 07
(b) Define the Contours. Explain the characteristics of the Contours. 07
Q.5 (a) Enlist the types of cement. Explain any two in detail. 07
(b) Explain the types of building based upon its occupancy. 07
Q.6 (a) Write the function of foundation and explain the Grillage foundation with sketch. 07
(b) Explain the subsurface water sources. 07
Q.7 (a) Explain the classification of dam based on the material used 07
(b) Enlist the various tests on Bituminous Material. Explain any three in detail. 07
Electrical Engineering
Q.1 (a) State and explain Kirchhoff’s laws. 07
(b) Derive the equation of Star to Delta and Delta to Star transformation. 07
Q.2 (a) Give comparison between electric circuit and magnetic circuit. 07
(b) An iron ring of mean length 1 m has air gap of 1 mm wound with 200 turns. The relative permeability is 500. If the current flow through coil is 1 A, calculate flux density. 07
Q.3 (a) Derive the equation of capacitance of parallel plate capacitor with uniform dielectric medium and with composite dielectric medium. 07
(b) Two capacitors of capacity 2 µF and 4 µF are connected in series. A potential difference of 900 V. Calculate: (i) Voltage across each capacitor (ii) Charge on each capacitor 07
Q.4 (a) Define (i) Frequency (ii) Peak Factor (iii) Average value (iv) Form factor (v) Power factor (vi) Instantaneous value (vii) Amplitude 07
(b) The following expressions represent the instantaneous values of e.m.f. in three coils connected in series
e1 = 50 sin ?t
e2 = 40 sin(?t+60°)
e3 = 60 sin (?t-30°)
Find an expression for the resultant e.m.f. 07
Q.5 (a) Explain series R-L-C circuit with the phasor diagram. 07
(b) Prove that average power consumption in pure inductor is zero when A.C. voltage is applied. 07
Q.6 (a) Derive the relation between line voltage and phase voltage, line current and phase current in star connection. 07
(b) What is the construction of three core cable? Explain each parts and its importance 07
Q.7 (a) Explain charging of battery from AC supply with schematic diagram 07
(b) Explain the working of earth leakage circuit breaker (ELCB) with diagram. 07
Mechanical Engineering
Q.1 (a) (1) What is flow and non flow process? 07
(b) (2) Define:
(i) Sensible heat (ii) Enthalpy of evaporation (iii) Latent heat (iv) Dryness fraction Explain working of four stroke petrol engine with neat sketch. 07
Q.2 (a) (1) state the function of the following:
(i) Pressure gauge (ii) Fusible plug
(2) Describe working of two stroke cycle petrol engine. 07
(b) With neat sketch describe the construction and working of Cochran boiler. 07
Q.3 (a) (1) Give classification of governor. Explain any one with neat sketch.
(2) Classify the centrifugal pump and explain vertex type centrifugal pump. 07
(b) Classify the air compressor. Differentiate between reciprocating compressor and rotary compressor. 07
Q.4 (a) (1) What is refrigerant? State the most widely used refrigerant.
(2) Explain vapour compression refrigeration cycle. 07
(b) Explain with neat sketch split air conditioner. State its advantages. 07
Q.5 (a) (1) What is zeroth law of thermodynamics?
(2) Explain working of disc clutch. 07
(b) Write short note on all types of belt drive. 07
Q.6 (a) How prime movers are classified? Explain different sources of energy used by them. 07
(b) Which are common solid fuels? Write in brief about each of them. Define calorific value of fuel. 07
Q.7 (a) Write short note on the following materials:
(i) Mild steel (ii) plywood (iii) fireclay 07
(b) Explain in brief: (i) muff coupling (ii) band brake (iii) warm gear. 07
Environmental Studies
Q.1 (a) What are the different components of environment? Explain relations between each of them. 07
(b) Write a note on impact of technology on environment, 07
Q.2(a) What are the factors that are responsible for environmental degradation? 07
(b) Explain the concept of ecosystem. Also write about their functions. 07
Q.3 (a) Describe the components of ecosystem with figure. 07
(b) Describe Nitrogen cycle with neat sketch. 07
Q.4 (a) What is ecological pyramid? Explain it with diagram. 07
(b) Compare grassland ecosystem with forest ecosystem. 07
Q.5 (a) What are the reasons of overpopulation? 07
(b) Differentiate renewable and non-renewable resources. 07
Q.6 (a) What are the sources of fresh water? How can we preserve water? 07
(b) What are the causes and effects of deforestation? 07
Q.7 (a) What are the sources of land pollution? How it can be prevented? 07
(b) What are the impacts of Global warming? 07
Engineering Physics
Q.1 (a) Write and explain the factors affecting Acoustic of a building and their remedies. 07
(b) Describe the principle and the method of producing of ultrasonic waves by magnetostriction method. 07
Q.2 (a) Discuss the steps to find Miller indices of a given plane with the help of example. 07
(b) Explain the term Hall-effect, Derive relation between Hall voltage and Hall-coefficient, State application of it. 07
Q.3 (a) Write note on: Nd:YAG laser 07
(b) What is holography? Discuss the method of construction of hologram. 07
Q.4 (a) Describe the construction of fiber optic cable and compare the advantage of fiber optic cable over metallic cable. 07
(b) Deduce expression for electrical conductivity of conducting material and hence obtain Wiedemann Franz law. 07
Q.5 (a) What is superconducting material? List the properties of superconducting materials and explain in detail. 07
(b)Write note on: CO2 laser. 07
Q.6 (a)What are Nanomaterials? What are the four applications of Nanomaterials? 07
(b)Explain the method of x-ray radiography to detect the exact location of the flaws. 07
Q.7 (a) A silica optical fiber has a core of refractive index 1.58 and a cladding of refractive index 1.46. Determine (i) the critical angle at the core-cladding Interface (ii) the numerical aperture for the fiber and (iii) the acceptance angle in the air for the fiber. 03
(b) The intensity levels of two sound waves of the same frequency in a medium are 20 dB and 60 dB. What is the ratio of their amplitude? 03
(c) The volume of a room is 2500 m3. The wall area of the room is 330 m2, the floor area is 165 m2, and the ceiling area is 165 m2. The average sound absorption coefficient (i) for wall is 0.025; (ii) for the ceiling is 0.75; and (iii) the floor is 0.05. Calculate the average sound absorption coefficient and reverberation time. 04
(d) An ultrasonic source of 0.05 MHz sends down a pulse towards the seabed which returns after 0.55 s. The velocity of sound in water is 1500 m/s. Calculate depth of the sea and wavelength of the pulse. 04