ENG1100: Introduction to Engineering Design - Drafting Program - Engineering Assignment Help

Assignment Task:

Question 1 (95 marks) 

Field notes and traverse drawing may be an outdated form of keeping and presenting information on the position of features on a site. Modern electronic equipment and  computer-based processing will inevitably supersede the traditional technique, but any  technique does require the understanding of position and relative association which is the  basis of the modern alternatives. In completing the following task, you gain some  knowledge of the concepts of the traverse and gain experience of using CAD software in a different way.  

The following field notes (3 sheets) of an investigation survey for a proposed service station site have been compiled by a surveyor.  

? Using CAD software, produce a drawing of the traverse showing all the information on the site.

Sheet 1 of 3: Site investigation for proposed Service Station 

Sheet 2 of 3: Site investigation for proposed Service Station  

Sheet 3 of 3: Site investigation for proposed Service Station

Question 2 (95 marks) 

Some of the Remote Access Laboratory equipment in the Hydraulics Lab at USQ were  designed and built in-house. An experiment to demonstrate and measure the force resulting  from a jet of water impacting surfaces is depicted in the schematic of Figure 1. Use this  schematic in conjunction with the following operating requirements, 

• 240VAC supplies a PC for the Human-Machine-Interface (HMI), a thermostat switched 240VAC cooling fan, a 240VAC PLC-controlled pump, a 240VAC to 24VDC supply and a 240VAC to 12VDC supply. 

? 24VDC supplies the PLC, Load Cell Transmitters and Ball Valve V-1 ? 12VDC supplies ancillary lighting and PLC E/stop 

? The experiment is commenced by starting Centrifugal Pump E1 while Electronically  Actuated Ball Valve V-1 is closed. Water Pressure Switch S-1 is used to check that E 2 is producing pressure. Together with Float Switch S-5, this confirms that E-2 can be  safely operated. 

• The Flat Impact Test or the Cup Impact Test are selected by operating either Angle Seat  Valves, V-2 or V-3 using a signal from the HMI. 

• Butterfly Valve V-4 is opened and the output from Load Cell S-4 is monitored until a  steady load is measured. 

? A desired anticipated flow rate is set as an input to V-1, sent from the HMI (e.g. 30%  of full deflection). 

• Once steady conditions are measured at S-4, V-4 is closed until an additional prescribed  mass of water accumulates in the Mass Measurement Tank. At this point, V-4 is opened  and the length of time that it took to accumulate the mass is recorded by the PLC. This  allows a precise calculation of the mass flow rate of the jet of water impacting the  surface. 

• While the Mass Measurement Tank is filling with the set and measured flow, Load Cell  S-2 or S-3 measures the force applied to the surface the jet of water impacts. This data  is recorded for subsequent analysis.  

• Additional data is collected for various setting of V-1. Once the desired data is  collected, V-1 is closed and E-2 is stopped. 

• The remote HMI Control uses one PLC using four inputs to produce the data used to  calculate the experiment’s results. 

• For safety purposes an emergency stop pushbutton isolates AC power via a safety relay  (except control power to the PLC) when pressed. 

? Using CAD software, produce two drawings, 

1. The 240 VAC Power Distribution diagram 

2. 24VDC Power Distribution diagram. 

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