Subject 2018 Question Paper — Government College of Engineering and T…
The 2018 Subject 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
- Course: Construction Equipments
- Branch: CIVIL ENGINEERING
- Year: 2018
- Paper: end-term
- Duration: 180 minutes
- Total marks: 100
Instructions
- Attempt five questions in all selecting at least one question from each Module.
- Each question carries 20 marks.
- Assume any missing data suitably, if required.
Questions
Module-I
- Q1. Explain the working and applications of a Back Hoe with a suitable sketch [10 marks]
- Q1. Estimate the output per hour in bank volume of a power shovel of 0.76 cubic metre capacity excavating a foundation 3m deep in common earth with the data given below: Bulked volume - 120 cubic metre per hour Angle of swing- 120 degree Factor - 0.88, Swell factor - 1:10 [10 marks]
- Q2. Explain investment cost and operation cost in detail. [10 marks]
- Q2. Explain with neat sketch the working of a Dump truck. [10 marks]
Module -II
- Q3(a). Estimate the output of a bulldozer for the following operating conditions. (i) Material = sandy loam top soil (ii) swell = 25% (iii) Haul Distance = 45m (iv) Mould board size = 3.0m long and 1.0m high (v) Rated Mould board capacity = 3 cubic metre loose volume (vi) Operating factor = 50 min/hr (vii) Probable round trip time, Pushing 45 m @ 2.5kmph = 1.08 min Returning 45m @ 5.5kmph = 0.49 min Loading, shifting gear = 0.30 min Total = 1.87 min [10 marks]
- Q3(b). What is scraper? Explain with neat sketch the working and application of the scraper. [10 marks]
- Q4(a). What is tractor? Compare the study of crawler and wheeled tractor. [10 marks]
- Q4(b). Write the purpose and applications of smooth wheel roller. [10 marks]
Module -III
- Q5(a). Explain the operation and applications of percussion drill. [10 marks]
- Q5(b). What is a crusher? Explain any two types of crushers. [10 marks]
- Q6(a). Explain the factors affecting selection of a pump. [10 marks]
- Q6(b). What is Dewatering? Explain the method sheeting and open pumping. [10 marks]
Module -IV
- Q7. What are the constituents of concrete? Explain the operations involved in concrete production [20 marks]
- Q8. Write short notes on the followings: (i) Pneumatic hammer (ii) Leads and Pile cushions [20 marks]