Here, The questions papers of Engineering Chemistry - II of Examination of CTEVT at 2nd semester of Diploma in Engineering.
Engineering Chemistry II - 2nd Semester Questions Papers CTEVT | Diploma in Engineering
Council for Technical Education and
Vocational Training
Office of
the Controller of Examinations
Sanothimi,
Bhaktapur
Regular/Back
Exam, 2077
Program: Diploma in Engineering | Full Marks: 60
Year/Part: I/II | Pass Marks: 24
Subject: Engineering
Chemistry II | Time: 3hrs
Candidates
are required to give their answers in their own words as far as practicable.
The
figures in the margin indicate full marks.
Attempt Any
Six questions.
1. a) Define hardness of water. How can you remove permanent hardness of water by permutant process? What are the natural sources of water? [1+4=5]
b) Describe in detail the manufacture process of nitric acid by Ostwald's process with well labeled diagram. [5]
2. a) Describe the manufacturing process of sulphuric acid by contact process (principle and diagram only). [2+3=5]
b) Define acid rain. Explain the chemical fertilizer in detail. [2+3=5]
3. a)
Explain the laboratory preparation of hydrochloric acid with required diagram.
[5]
b) What are the allotrophs of carbon?
Explain the structure of diamond. [5]
4. a)
What do you mean by bleaching action of chlorine? What are effect of oxides of
carbon on environment and human? [5]
b) Describe the manufacture process of
ammonia by Harber's process. [5]
5. a)
Define alkaline earth metal. What are the chemical properties of alkaline earth
metal? (Specially of calcium) [1+4=5]
b) Define coinage metals? What are
the properties of capper? [1+4=5]
6. a)
What do you mean by functional group? Explain the properties of methane.
[1+4=5]
b) Define Polymer? Explain the types
and uses of rubber. (5)
7. a)
What happen when: [2x2=4]
i.
Steam is passed over red-hot iron.
ii. Sodium is heated with ammonia.
b) Write short notes on: [3x2=6]
i.
Homologous series.
ii.
Polyethene.
iii.
Alloys.
*** Good luck ***