ESTIMATION & COSTING 2022 Question Paper — Government College of Engi…
The 2022 ESTIMATION & COSTING previous year question paper (Government College of Engineering and Technology, Jammu), with every question and its marks.
- University: Government College of Engineering and Technology, Jammu
- Subject: ESTIMATION & COSTING
- Course: ESTIMATION AND COSTING
- Branch: Electrical Engg.
- Year: 2022
- Paper: end-term
- Duration: 180 minutes
- Total marks: 100
Instructions
- Attempt any five questions, selecting at least two questions from each section.
- Use of calculator is allowed.
Questions
Section-A
- Q1. (a) Explain the important factors of estimating and costing. 10 (b) What are the sequence of procedure adopted for purchasing the material desired in the way of completion of project. 10 [20 marks]
- Q2. What do you mean by term "calling of quotations". Explain different ways of calling of quotations. With the help of sample letter describe quotations of any project of electrical system. 20 [20 marks]
- Q3. Why earthing is provided in electrical system? What are the factors effecting earth resistance? Explain different specifications regarding earthing of electrical installations. 20 [20 marks]
- Q4. Explain the protection device 'Fuse' with its advantages and disadvantages. Also describe the types of fuses. 20 [20 marks]
Section-B
- Q5. Explain briefly the components of distribution system. 20 [20 marks]
- Q6. Explain various types of equipments along with its symbols used in substations. 20 [20 marks]
- Q7. Draw the key diagram of 11 KV substation. 20 [20 marks]
- Q8. (a) What are the steps followed in designing of substation? How selection and location of substation is adopted for its installations? 10 (b) Define the following terms : 10 (i) Earthing Mat (ii) Step Potential (iii) Touch Potential (iv) Substation earthing resistance (v) Lightning Arrestor [20 marks]