Engineering, 06.03.2020 00:32 nicholasryanencarnac
A construction vehicle has a diesel engine with eight cylinders of 5.375 inch bore and 8.0 inch stroke, operating on a four stroke cycle. It delivers 152-shaft horsepower at 1000 RPM. with a mechanical efficiency of 0.60.calculate,
(1) Total engine displacement( in3)
(2) Brake mean effective pressure (psia)
(3) Torque at 1000RPM (lbf-ft)
(4) Indicated horsepower
(5) Friction hosepower
Answers: 2
Engineering, 04.07.2019 18:10
Calculate the bore of a cylinder that has a stroke of 18 inches and an extension time of 6 seconds at a flow rate of 4 gal/min.
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Engineering, 04.07.2019 18:20
Athin walled concentric tube exchanger is used to cool engine oil from 160°c to 60°c with water that is available at 25°c acting as a coolant. the oil and water flow rates are each at 2 kg/s, and the diameter of the inner tube is 0.5 m and the corresponding value of the overall heat transfer coefficient is 250 w/m2. oc. how long must the heat exchanger be to accomplish the desired cooling? cpwater=4.187 kj/kg-candcpengine el=2.035 kj/kg·°c, oil . 120]
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Engineering, 04.07.2019 19:10
Apressure vessel with an r/t 20 cannot be treated as thin walled vessel. a)-trune b)- false
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Engineering, 04.07.2019 19:10
Which of the following is the most important advantage of a large field of view? a. allows larger areas to be examined b. relieves eyestrain c. minimizes parallax errors. d. increases precision in proportion to the in- crease in field of view
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A construction vehicle has a diesel engine with eight cylinders of 5.375 inch bore and 8.0 inch stro...
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