Chemical Engineering Answers

If the force is given by F=2x-y+z)i+ x+y-z^2)j +3x-2y+4z)k find the work done by a moving particle around a closed path C in the xy plane. If the circle has centre at the origin and radius 3 . Is this work done path independent??

A settling chamber that is 12 m long, 2 m high and 2 m wide processes 240 m³/m of air at a temperature of 75 Celsius. Determine the maximum size of the particle with specific gravity of 1.8 that is removed with a theoretical efficiency of 100 percent

3 kmol of gas A and 4 kmol of gas B are held in separate but equal volume containers. When they are mixed in a new container, again of equal volume the pressure reading is 10 bar. What is the partial pressure of A?

The Stanton number is the equation that deals with the heat transferred into a fluid, compared to the thermal heat capacity of that fluid, true or false?

1. Explain why is important to identify hazards/dangers at the workplace. 2. Explain the implications if hazards/dangers are ignored in the workplace. 3. Mention common examples of accidents in a chemical plant or processing plant and how can they be avoided. 

The three major steps involved in Mineral Processing namely: Crushing, grinding and flotation. Please discuss the importance of each during mineral processing. 

 Discuss the importance of sustainability in mineral processing industry or business.

3. In incremental launching method of bridge construction, what are the measures adopted to enhance sufficient resistance of the superstructure during the launching process?

2. What is “preset” during installation of bridge bearings?