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Punjab Technical University 2007 A.M.I.E Chemical Engineering science - Question Paper

Monday, 08 April 2013 02:05Web

ans the subsequent ques. briefly:

Q-1. Name 3 gaseous air pollutants.

Q-2. Which of the subsequent are non-biodegradable?

Glass bottle, paper , aluminum foil, D.D.T., wheat.

Q-3. Name (i) a viral disease of cattle (ii) a bacterial disease of cattle.

Q-4 Name 2 metals which are lighter than water.

Q-5 describe biological nitrogen fixing.

Q-6 Write the chemical formula of the simplest hydrocarbon.

Q-7 Name the white dwarf which is seen in the sky?

Q-8 provide 2 examples of colloidal solutions.

Q-9 The oxides of 2 elements form a very harmful smog. Name these 2 elements.

Q-10 What is the colour of CuSO4 ? What happens when it is heated ?

Q-11 Why is an internal combustion engine considered safe than external combustion
engine ?

Q-12 If the polar ice caps start to recede and low-lying land starts to flood with water due to rise
in atmospheric pressure, what damage in composition of air is responsible for it?

Q-13 elaborate the fossil fuels? provide 3 examples of it.

Q-14 Is it possible for an organism to occupy position in more than 1 food chain? discuss.

Q-15 Expand the subsequent abbreviations:

Q-16 The distance ranging from the Galaxies A & B is 'x' light years, while that of ranging from
galaxies C&D is 2x light years. In which pair will the two galaxies be moving away from every other at
higher speed?

Q-17 discuss the terms 1) Volcano 2) Earthquake.

Q-18 describe Isomerism. Write down the structures and names of butane isomers.

Q-19 How does we have try serve as carrier of infective organisms.
Mention 2 ways to prevent it.

Q-20 elaborate communication satellites.

Q-21 Why is common salt idoised? Why is Goitre rare amongst people residing in coastal areas?

Q-22 What is animal husbandry? Mention the elements of animal husbandry.

Q-23 Water is falling on the blades of a turbine at the rate of 6*103 kg per minute. The height of
the fall is 10 mts. compute the power delivered to the turbine (g=10 m/s2).

Q-24 Which is a better way of using cow-dung as a domestic fuel - use of cow-dung cakes or
use of cow-dung in a biogas plant? provide three reasons to support your ans.

Q-25 It is stated that the energy from nuclear fusion would create fewer pollution issues than energy from fission. Can you cause why?

Q-26 describe a biosphere? elaborate the two main function of a biosphere.

Q-27 What is a smog? elaborate the 2 effects of smog?

Q-28 Write four differences ranging from a Colloidal solution and suspension.

Q-29 discuss why zinc metal can displace copper from copper sulphate solution, but copper cannot displace zinc
from zinc sulphate solution.

Q-30 List three advantages of adopting proper management practices for different food resource.

Q-31 Mention any 5 points of differences ranging from external combustion engine and
internal combustion engine.

Q-32 Mention the characteristic of an ideal fuel.

Q-33 discuss with the help of a diagram, the behaviour of radioactive rays in electric field.

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