B. Tech (Section A & B) Semester-I End Semester Examination 2023-24 Biology for Engineers PDF

Roll No.2.33CEO20 B-S0 B. Tech. (Section A & B) Semester- I End Semester Examination 2023-24 Course Name: Biology for Engincers Paper Code: ASB-104 Maximunm Marks: 45...

Roll No.2.33CEO20 B-S0 B. Tech. (Section A & B) Semester- I End Semester Examination 2023-24 Course Name: Biology for Engincers Paper Code: ASB-104 Maximunm Marks: 45 Duration: 3 Hours Instruction to the candidates · Write your Roll No. on the top immediately on receipt of the question paper. Avoid circumlocution Note: Attempt any two parts of each question. All questions carry equal marks. Questions Marks CO Q. No. Unit- 1 Q1. CO-1 4.5 (a) Define nanomaterials? Discuss different types of nanomaterials and explain the size dependent properties of nanomaterials. What do you understand by carbonaceous nanomaterials? Discuss 4.5 CO-1 (b) about carbon nanotubes and their importance? Write short note on 4.5 CO-1 (c) () Quantum confinement (ii) Molecular Nanotechnology Unit - 2 Q2. CO-2 (a) Define supervised learning and unsupervised learning. Provide one 4.5 example for each type of machine learning. Discuss the concept of customer or user-defined data types. Provide an 4.5 CO-2 (b) example of creating and using a custom data type in python. C0-2 (c) Identify and explain the key components of Al-driven robotic system. 4.5 Unit-3 Q3. CO-3 (a) Describe Darwinian theory of evolution? Also discuss molecular 4.5 perspective of Darwinian evolution What is centromere? State howthe position of centromere forms the 4.5 CO-3 (b) basis of classification of chromosome? Support your answer with diagrams. What is cell division? Discuss mitosis cell division in detail. Support 4.5 CO-3 (c) your answer with well labeled diagrams. Ünit 4 Q4. CO-4 (a) Explain the defense mechanism against infections in humans? Give 4.5 names of different organs and cells of immune system in humans.  for the 4.5 CO-4 nutrients and culture media needed (b) Discuss different microbial growth of microorganisms? 4.5 CO-4 (c) Briefly describe the following synergism () Drug antagonism and (ii) Tryp-operon in E. coli Unit- 5 Q5. 4.5 CO-5 in biotechnology Describe totipotency and cellmanipulation 4.5 CO-5 Discuss technical innovations in targeted drug delivery and (a) (b) regenerative medicine. 4.5 CO-5 in cancer diagnosis and its (c) Explain the role of nanobiotechnology treatment.  238CEo20 Code No. CE-101 Session: 2023-24 B.TechISemester Examination, A/B) Subject: Basics of Civil Engineering (Section Paper No. CE 101 Time: 3 Hours Maximum Marks = 45 Instructions to candidate: immediately on receipt of this question. 1. Write your Roll No. on the top question. 2. Answer any thvo parts froneach 3. Assume missing data, if any. wherever needed. 4. Drawneat sketches/diagram (Co1) Q1. development of any country". Explain by "Civil Engineering plays a vital role in of civil explain the roles and sub-disciplines giving suitable examples. Also (4.5) engineering. important various types of Dams, buildings and bridges. Explain their ii. Classify (4.5) features by giving real life examples. various types of retaining walls with well iii. Explain aqueducts and viaducts. Explain (4.5) labeled diagrams. (C02) Q2. problems of used in Indian railways. Write the Define gauge also write various gauges (4.5) policy and its advantages. multigauge system. Explain uni-gauge water. Write the aims and components ii. Differentiate between potable and who lesome (4.5) of water supply system. various components of a hydro power plant, iii. With the help of a diagram, explain the (4.5) (CO3) Q3. the timber. What is seasoning of timber? Explain Write the various classification oftimber. of (4.5) artificial methods for seasoning  process of cement. What is concrete? Write the functions. Explain the manufacturing concrete. (4.5) of the various ingredients used in about the explain the salient features of steel used in construction. Explain iii. Briefly construction industry. (4.5) used in variousearthwork and concreting equipments (Co4) Q4. various super structure components a With the help of proper diagram explain the (4.5) building. differentiate between shallow and deep ii. Write the functions of foundation and also combined and raft footings. foundation. With proper diagram, explain the isolated, (4.5) building. Briefly explain the various iii. Why building services are essential part of any (4.5) types of services required in buildings. (CO5) Q5. i. Define and differentiate between the following terms: (a) Factor of Safety, Load Factor & Strength (b) Ductility, Plasticity & Elasticity (1.5x 3= 4.5) (c) Poisson' Ratio, Modulus of Rigidity & Hook's Law Elasticity), C i. Derive a relation between the three elastic constants E (Modulus of (Modulus of Rigidity) and K (Bulk Modulus). (4.5) their salient ili. (a) Draw stress-strain curve for mild steel and cast iron and also explain features. (2) (b) A 140 cm long crcular steci bar is acted upon by forces as shown in Figure 1. Determine the total elongation of the bar. Take E=200 GPa. (2.5) 80 kN 40 kN 60 kN 100 kN 3 cm 4 cm 3 cm 40cm 60 cm 40 cm Figure - 1  Roll No..B..A. B. Tech. (AIlSections) Semester-I 2023-24 End Semester Examination Paper Code : ASB-101 Course Name: Engineering Physics-I Duration: 3 Hours Maximum Marks: 45 Instruction to the candidates on receipt of the question paper. Write your RollNo. on the top immediately questions carry cqual marks All Attempt any three parts of each question. Marks CO Questions Q. No. Unit - 1 Qi. 3 CO-1 compound pendulum. (a) Write down the difference between simple and formulate the equation of motion of simple pendulum. 3 CO-1 A stick of length L = 1.85 m oscillates as the a compound pendulum. (b) stick's centre of mnass Determine (a)the value of distance x between the least time period. and its pivot point O gives the least period (b) 3 CO-1 (c) Calculate the moment of inertia of a solid cylinder (i) about its own axis (ii) about an axis passing through its centre and perpendicular to its axis. An underdamped harmonic oscillator h£s its amplitude reduced to CO-1 (d) 1/16t of its initia! valus after 100 oscillations. f its time-pericd be 1.15 sec. calculate (i) the damping constant (ii) the relaxation time. If the observed value of the first amplitude of the oscillator be 2 cm, what would be its value in the absence of damping? Unit - 2 Q2. (a) Convert the following vector into cylindricaland spherical systems 3 CO-2 x + yù + 42 F= x + y² + z2 (b) Solve the value ofnfor which the vector r7 is solenoidal, where = 3 CO-2 xi+ yî + zk. (c) Asolid sphere of radius R has a charge Q distributed in the volume 3 C0-2 with acharge density p = kr", where kand a are conslants and ris the 1  1 R istimes that at r = electric field at centre. Ifthe 3 CO-2 distance from the of a. (x+y) - 2xyý determine the value where F = y = b. r= R, theorem, = 0 and Evaluate fF. drby Stoke'srectangle X= ta, y (d) boundary ofthe and C is the y=b ,B(a,b) C (-a,b) Y=0 X A(e,) Unit-3 3 CO-3 03. conductor of radius R with non (a) Consider an infinitely long,cylindrical a is a constant and r is the where uniform current density J= ar", conductor. Determine the distance of a point from the axis of the magnetic field inside and outside the conductor. CO-3 V.J = 0, for steady Starting from the equation of continuity, show thatdisplacement (b) current. state case. Discuss the concept and significance of 3 CO-3 (c) Acurrent I = 5.0A flows along athin wire shaped as shown in fig. The radius of the curved part of the wire is equal to R= 120 mm, the angle 20 = 90°. Compute the magnetic induction of the field at the point O. R 2) = 90, A B (d) (i) A battery of emf 2V isconnected in series with a resistance box and a 10 3 CO-3 mlong potentiometer with resistance 1 n/m. Apotential difference of 10 mV is balanced across the entire length of wire. Calculate the crrent flowing in wire and resistance in resistance box. (ii) Resistances of theratio arms of a Wheatstone bridge are 300 N,each. The fourth arm is connected to an unknown resistor. Evaluate the value of the unknown resistance if the third arm has a resistance of 250 Nin a balanced condition? 2  Unit-4 Q4. 3 CO-4 (a) Examine the shortcomings of classical laws to explain experimental hypothesis able to blackbody radiation spectrum. Explain how Planck's evidence. rectify these inadequacies. Provide the mathematical offer 3 CO-4 (b) How does the utilization of Heisenberg's uncertainty principlehighlighting insights into determining the radius of the first Bohr orbit, momentum uncertainties? the interplay between particle position and accuracy of 0.01%. An electron has a speed of 6.6 X 10*m/s with an Calculate the uncertainty in the position of an electron. 3 CO-4 Compton (c) Show that the change in wavelength of photon scattered inwavelength experiment is dependent on the angle of scattering. X-rays of 0.2 Å are scattered from a target. Calculate the wavelength of X-ray scattered recoil electron. through 45°.Also find the maximum kineticenergy of the 3 CO-4 wavelength of 1 Å for (d) Calculate the energy in eV corresponding to a which the electron is electron also find the potentiai difference by accelerated associated with a de Broglie wavelength 0.1Å Unit -5 Q5. CO-5 (a) There are 13.13x 1028 free electrons per m² of Zn. Calculate the 3 Fermi energy and average energy at 0K. Also, determine at what temperature there is a 10% probability that electrons in Zn have an energy 1% above the Fermi energy. Based on the Fermi-Dirac statistics, formulate the relation for the Fermi 3 CO-5 (b) energy and average energy of free electrons at absolute OK. (c) Why did classical free electron theory of metals fail to explain the heat CO-5 capacity of conductionelectrons? Discuss briefly. Auniform aluminum wire of length 5 m and resistance 0.062 carrying a current of 15 A, assuming that each aluminium atom contributes 3 free electrons for conduction. Compute mobility, drift velocity and relaxation time of the electron. Given: Resistivity of aluminium = 2.7 x 10-® 2m Atomic weight = 26.98 Density = 2.7 x 10 kg/m² Avagadro number = 6.025 x 1023 (d) Deduce the Bragg's condition for the reinforcement of diffracted X-rays 3 from aset of crystal planes. CO-5 The spacing between the successive planes in NaClcrystal is 2.82. X rays incident on this crystal give rise to first-order incidence of 8° 35. Calculate the wavelength of X-rays reflection at grazing second order and third order reflections. and the angle of wavelength that can be análysed by the crystal (Sin Calculate the longest 8°35=0. 1492).  Roll No.:233C.E.SAA. Semester Examination, December 2023 B.Tech -Semester ! Subject: Basics of Electronics & Communication Engineering Paper Code: ECS 101 Time: 3hrs MM: 45 Note: 1. Attempt anytwo questions fromn each unit. 2. All questions carry equal marks. Make suitable assumptions if required. 3. Symbols and notations used have their usual meaning. UNIT-I 1. With the help of a neat diagram, explain the operation of a full-wave rectifier. 2 (a) For the Zener diode network shown below, deternmine V, V l, and Pz. (b) Repeat part (a) with R,= 3 kQ. R=lks2 l6 V Vy = 10 V PzM =30 mW 3. Explain the working of a pn-junction diode in forward and reverse bias. Also, sketch its VI characteristics. UNIT- I1 1. () What is the need of biasing in a transistor? How must the two transistor junctions be biased for proper transistor amplifier operation? 4:5 (i) For an npn-transistor, I=10mA and B=100. Determine the values of l- and Ia. 2. Drawa neat diagram of an n-channel JFET and explain its principle of operation. 4:5  shown below, determine the following: 3. For the emitter bias network (i) , (ü) I (ii) Vee (iv) Ve (v) V. (vi) V, (vi) Vac Bg0 Also, draw the DCload line and find the operating point. 45 UNIT- II 1 () Discuss operational amplifier along with its characteristics? State the mathematical equations 2 for CMRR and Slew Rate. V, =140 uV. (ii) Determine the output voltage of an op-amp for input voltages of V, =150 uV, 25 The amplifier has a differential gain of A, =4000and the value of CMRR is: (a) 100. (b) 10s 2. Describe the operationof op-amp as an integrator and differentiator. 45 3 Derive the mathematical expression for the output of an op-amp, when it is used as a subtractor, along with aneat labeled diagram. 45 UNIT- IV 1 Describe with the help of a diagram the voltage-shunt feedback configuration. Find the equation 45 for gain (A) and input impedance (Z) in this configuration. y:5 2. Discuss the construction and working of a Wien Bridge oscillator. 3 Determine the voltage gain, input, and output impedance with feedback for voltage series 45 feedback having A= 100, R=10 kQ, R, 20 kQ for feedback of (a) B=0.1 and (b) B=0.5. UNIT- V 1. Explain Amplitude Modulation. Sketch it graphically and derive its equation. 2. (i) What is the modulation index of an AM wave? 45 (iü) Abroadcast AM transmitter radiates 50KW of carrier power. What will be the power radiated at 85% modulation? 3. (i) Briefly discuss Frequency Modulation, along with its mathematical and graphical representation. (i) Acertain transmitter radiates 9KW with carrier unmodulated, and 10.125KW when the carrier is sinusoidally modulated. Calculate the modulation index. If another sine wave is simultaneously transmitted with modulation index of 0.4, determine the total radiated power. y5  RollNo. &..SS.. Humanities Department of Applied Scicnces & Faculty of Engincering & Technology B. Tech. Semester-I Engincering Mathematics -1 EndSemester Examination 2023-24 Sections: AllSections Mathematics -1& ASB -103 Course Name & Paper Code: Engineering Duration: 3 Hours Maximum Marks: 45 Instruction to the candidates of the question paper. "Write your Roll No. on the top immediately on receipt Avoid circumlocution. equal marks Note: Attempt any two parts from each question. Allquestions carry Marks CO Q. No. Questions Unit - 1 Ql. 4.5 CO-1 (a) Ify: then find y, at x=0. (b) Obtain the asymptotes of the curve 4.5 CO-1 +y--y'- 2x2 +2y2 +x+ y+ | =0. (c) Trace the curve y (rta) =x(a-x). 4.5 CO-1 Urit-2 Q2. (a) fl og (1+ ax) 4.5 CO-2 Evaluate dt and hence show that ogtl 1+x² +3 d =log 2. (b) Obtain the points on z =xy +I nearest to the origin. 4.5 CO-2 (c) Verify Euler's theorem for the functions 4.5 CO-2 (a)z= tan 2 and (b) z=' log|2|  Unit -3 Q3. 4.5 CO-3 and (a) Change the order of integration in double integral 0yS[ cos( -xy)dy ds, hence obtain its value. 4.5 CO-3 (b) Prove that(d=-,0