II B.Tech I Semester Supplementary Examinations, November 2005 INSTRUMENTATION COMPONENTS ( Common to Electronics & Instrumentation Engineering and Electronics & Control Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ?????
(b) Explain the basic principle of the instrument used for Condition monitoring of any process. [8+8]
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2. (a) Compare and construct the functioning of rupture discs in safety relief values. (b) Describe the construction and working of rupture discs (c) Mention the application of rupture discs.
[6+6+4]
3. (a) Express a relationship between various voltages of a synchro transmitter. (b) How are synchros useful in error detection and correction in a servo control system. [8+8] 4. (a) Discriminate between ordinary electric motors and Servo motors.
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(b) Briefly explain the working of D.C and A.C servomotors with neat sketches [6+10]
5. (a) List the different types of windings that are employed in inductors. (b) List the factors affecting the capacitance of capacitors. (c) Explain the terms electrical noise, power derating and Boells effect of resistors. (d) Explain the colour code for resistors.
[4+4+4+4]
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6. (a) Give the construction, equivalent circuit and characteristics of DIAC and explain its operation. (b) Sketch SCR phase control circuits for i. 90 degrees phase control ii. 180 degrees phase control.
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In each case show the load waveform and explain the operation of the circuit. [8+8]
7. (a) Explain the construction features of PIN diode. (b) Sketch the V-I characteristics of a PIN diode and explain their shape. (c) How can a PIN diode be used as a switch?
[4+8+4]
8. (a) Discuss the spectral transmittance characteristics of an absorption filter. 1 of 2
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Code No: NR211002 (b) What are the parameters to be observed in the design of grating.
(c) Give two types of mounting of grating and explain the importance of mount in the grating. [6+4+6]
NR211002 II B.Tech I Semester Supplementary Examinations ...
(b) Explain the basic principle of the instrument used for Condition monitoring · of any process. [8+8] · 2. (a) Compare and construct the functioning of rupture ...
What is the theory of lubrication? Explain how surface tension plays a role in the · performance of lubricating oils and hydraulic fluids? What is surface tension ...
(b) What is the purpose of providing âbondsâ in brick work. With the help of · neat sketches illustrate âEnglish bondâ. [8+8] · 2. (a) What is a âdamp-proof courseâ?
A silica brick layer on inside is laid to 150mm thickness and a · magnesia brick of 200mm thickness on outside. The inside and outside wall · surfaces are at 650 ...
(b) The following observations are related to a closed compass traverse ABCD. Find out the stations which suffer local attraction and give the values of the.
2. Explain the following: · (a) Reynolds number · (b) Nusselt number · (c) log mean temperature differene. (d) importance of heat transfer in furnace technology.
NR. (b) Calculate the density of naphthalene decahydride (C10H18) from its refractive index value of 1.4804 at 18 oC. [10+6] · 8. (a) Explain how the depression ...
diagrams. Show that the entropy change during the cycle is zero ... if the small amounts of argon and carbon oxide present in the mixture are · neglected.
(a) Job order production and batch production system. (b) Mass production and flow production. [4+4+4+4] · 7. DefineâCritical pathâ, âslack timeâand âDummy ...
(b) One bag contains 4 White balls and 3 black balls and a second bag contains 3 ... [8+8] · 3. (a) The amount of bread ( in hundreds of pounds) X that a certain ...
(c) Explain sign conventions of heat and work in thermodynamics. [5+5+6] · 3. (a) State and explain second law of thermodynamics. (b) Define and explain ...
b=4.318 cm is fed by a 4 GHz carrier from a coaxial cable. Determine if a · TE10 mode will be propagated. If so calculate the phase velocity and group · velocity.
(c) An amplifier with voltage gain of 60 decibels uses 0.05 of its output voltage in · negative feedback. Calculate the gain of the feedback amplifier. [6+6+4].
Determine the length of the wire needed if the diameter · of the wire is 0.25 mm. Assuming that the temperature coefficient of resis- · tance of the wire is constant, ...
(b) Draw the block schematic of 4x1 MUX and give its truth table. [6] · 6. (a) Design a full adder with minimum number of NAND gates. [8] · (b) Draw the logic ...
8. (a) Enumerate various mechanical and diffusion properties of cartilage with ex- · amples? [8] · (b) Write briefly about âlubricationâ of joints? [8] · *****. 1 of 1.
Black body and Grey body. iii) · Reynolds number and Nusselts Number. 4.a) Derive Reciprocity theorem when the heat exchange is taking place between the.
Polynomials in single variable are stored in the form of linked lists. Each · structure has space for one coefficient and one exponent and a link. Assume.
armature and field resistances are 0.03 ohm. And 60 ohm ... 6.a) Explain with the help of diagrams how a rotating magnetic field is produced in · the air gap of a ...
(figure.1). (c) Obtain Thevenin's equivalent circuit for the network below figure 2. 1 of 3 ... (a) Obtain open circuit and short circuit parameters. Obtain relation ...
Show the reaction mechanisms of the following reactions. (a) Gatterman reaction. ... How will you determine the configuration of glucose with the help of Fischer's method? 7. (a) What ... Explain the theory of colour and constitution? *****. 1 of 1.
Maximize the following problem using Simplex Method. Z = 10x + y + ... 10; x1, x2 ⥠0. 8. Write short notes on the following: (a) Kuhn-Rucker conditions. 1 of 2 ...
b) State the method of manufacturing and special qualities of the following bricks. (i) sand â lime bricks (ii) Fly ash bricks (iii) Stabilised bricks. c) Explain briefly ...
