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An ideal four-stroke gasoline 5.0 L engine running at 3000 rpm has an inlet state of 90 kPa, 280 K. After combustion, the gas temperature is 2000 K; the highest pressure reached in the cycle is 5 MPa. Using constant specific heats Cp=1.005 kJ/kg and Cv = 0.718 kJ/kg, determine (a) the compression ratio, (b) the cycle efficiency, (c) exhaust temperature, and (d) mean effective pressure (kPa). Draw (e) a P-v diagram and (f) a T-s diagram
An ideal vapor-compression refrigeration system operates at steady state with Refrigerant 134a as the working fluid. Superheated vapor enters the compressor at 30 lbf/in2, 20F, and saturated liquid leaves the condenser at 140 lbf/in2. The refriger..
Determine Compressor Size in Watts that is suitable to satisfy certain specific needs, The drinking water needs in a production facility with 20 employees is to be met by a water bubbler type water fountain.
The nominal breaking strength of the rope is 10,000 lbs. Calculate how much payload this assembly can allowably pick up. Show your work.
Aim of this demonstration is to use measurements of the load required to propagate a crack (tear) in packaging tape to determine its fracture toughness and Describe the fracture behaviour of the insulation tape loaded with a small crack. Explain w..
Design Engineering: Find Specific Load and Heat Generated Per Minute, A load of 6400 Kg is carried by a journal rotating in a 270 mm bearing diameter and 400 mm long. Find the specific load on the bearing and the heat generated per minute in the b..
What of diameter of steel rod is required to support a tension load of 44.5kn?assume that the allowable stress for the steel is F=165n/mm.
Derive an expression for the bounding energy Eo in terms of the equilibrium interionic separation ro and the constants D, and p using the following procedure
Find graphically the forces f1 and f2 in the crane. The triangle is standing up with a 90 degree angle next to the wall on top, with f1 pointing towards it
What happens to the cutting and thrust force as tool rake angle and cutting speed are increased and what is the relation between the cutting and thrust forces to the depth of cut?
Water enters a hydraulic turbine through a 30-cm-dia pipe. The pressure drop in the turbine is measured by a mercury manometer to be 1.2 m. For a combined turbine-generator efficiency of 83%, determine the net electric output. Disregard the effect..
Package Design Brief: Assume you are the packaging engineer for a large consumer products company. In this company, the Packaging Design Briefs are initiated by the marketing group and forwarded to the Package Engineering group.
Problem Statement Consider the landing gear shown below. Working in teprns of two, come up with a single optimized design for given operational conditions and design considerations
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