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Distinguish between thermoplastic and thermosetting resins. ?
Concept: Thermoplastic Plastic
A quartz crystal of thickness 1.5 mm vibrating with resonance. Calculate it’s fundamental frequency if the Young’s modulus of quartz crystal is 7.9×1010N/m2 and density is 2650 kg/m3 .
Concept: Study of characteristics of unit cell of Diamond, ZnS, NaCl and HCP;
How electricity is generated by using wind energy?
Concept: Principle and Working with Wind Energy
What are limitations of conventional sources of energy?
Concept: Importance of Renewable Sources of Energy
Explain concept of carbon credit.
Concept: Carbon Credit: Introduction and General Concept
Calculate the quantity of the pure lime and soda required for softening of 1,00,000 litres of water containing the following impurities in ppm. The purity of lime is 70% and soda is BS% Ca(HCO3) = 30.2 , Mg(HCO3) = 20.8 ,CaCI2 = 28.1 ,MgCl2 = 8.78, CaSO4 = 35, MgSO4 = 6.7 .
Concept: Softening of water by Hot and Cold lime Soda method and numerical problems
Discuss the treatment of water using bleaching powder
Concept: Drinking Water Or Municipal Water
Calculate the total hardness in ppm in given water sample.
: 50ml of standard hard water , containing 1mg pure CaCO3 per ml consumed 20ml EDTA solution.
: 50ml of water sample consumed 30ml EDTA solution using EBT indicator.
Concept: Hardness of Water
Distinguish between BOD and COD.
Concept: Bod - Definition and Significance
Give the preparations, properties and uses of Kevlar.
Concept: Preparation, properties and uses of Kevlar
Giass transition temperature
Concept: Effect of heat on the polymers (Glass transition temperature)
Vulcanisation
Concept: Rubber > Compounding of Rubber (Vulcanization of Rubber)
What are the limitations of Phase rule?
Concept: Advantages and Limitations of Phase Rule.
`"If" x=uv & y=u/v "prove that" jj^1=1`
Concept: .Circular Functions of Complex Number
Prove that `sin^(-1)(cosec theta)=pi/2+i.log(cot theta/2)`
Concept: Expansion of sinn θ, cosn θ in terms of sines and cosines of multiples of θ
Explain with example how to determine crystal structure by Bragg’s X-ray spectrometer.
Concept: Bragg’S Law
Calculate the frequency and wavelength of photon whose energy is 75eV.
Concept: De Broglie Wavelength
Obtain one dimensional time dependent time independent Schrodinger equation.
Concept: Schrodinger’S Time Dependent Wave Equation
