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1. An airflow of 25 m3/s and radon daughter concentrations of 0.2 WL passes a seal from which issues a leakage flow of 0.4 m3/s at 150 WL. Determine the radon daughter concentration in the downstream airflow.
2. Describe the various methods of methane drainage available to drain gas for longwall mining operations.
3. In the case of cross measures methane drainage of longwall operations what factors influence the spacing of drainage boreholes?
4. On retreating longwall coalfaces active ventilation of the goaf is undertaken, why is this. Detail three methods of ventilating the goaf in such conditions.
5. Briefly describe the methods used to control radiation in uranium mines.
Analysis of the vehicle component: role, work conditions, requirements for the role and
Derive at least four concept designs to satisfy the given specification. Use short written descriptions and simple sketches to illustrate your ideas and what other information would be required to be able to write a more complet..
Determination of a sized design layout of an aircraft concept to meet a given mission specification.
Discuss the real output and in ation expressions verbally - New Keynesian model with technology shocks
proper rational system alone,with initial conditions on its input and output Input is a step signal with arbitrary value. Calculate and Plot all the above using MATLAB writing a code.
Investigate the clutch systems being displayed and generate a report on the type of clutch system and transmission it is used for
economic feasibility of the projec, restrictions are the economics of the project based, technical feasibility for the project
Analyze heat lost from a 6-inch OD steam line. The line carries high-pressure steam throughout the factory at 400 psi, 400 oF. Specify type and thickness for insulating the steam line.
Describe term Public Relations Research
Offer an explanation for why cracking might have occurred and provide at least three suggestion on how to prevent this type of corrosion.
What other information would be required to be able to write a more complete Product Design Specification and derive at least four concept designs to satisfy the given specification. Use short written descriptions and simple sketches to illustra..
Determine the initial gas in place and what percentage of the initial gas in place will be recovered at a p/z of 1000?
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