50 Weighted CO2 Emmisions O Diesel O Petrol Diesel Best Fit Petrol Best Fit 20 CO2 Weighted Percentage 10 20 40 40 30 Car Position 50 60 60 1226- 625 6838 す 2 222 20 152 03 120.30 $1.0 932 122.09 20.33 177.11 171.44 2005 42 31.44 24.0 186 2 129.16 148.10 38.33 25.67 302.11 128 30 87 95 13 503.11

Name at least ten variables that affect the internal combustion (automobiles) emissions.

a) Compute the air-fuel ratio by weight used in an engine if the exhaust gas analysis in percent by volume dry shows: CO2 = 12.4%, O2 = 3.2%, CO = 0.1%, H2 = 0.2%, CH4 = 0.3%. b) Find also the atomic ratio H/C of the fuel used.

Q5/The plot of the engine cycle on P-V coordinates is often called * power indicator pressure enthalpy daigram force time daigram indicator diagram Q6/In IC engine the work is generated by the gasses in the combustion chamber is * directly proportional to piston travel inversely proportional to piston travel does not depend on piston travel all of above Q7/The gas pressure force is a function of * velocity piston acceleration piston piston travel the power out put docs.google.com A

2. For Pump Omicron, the pump performance data is shown in Table 2 below. Plot a curve of best fit Havailable versus Q from 0 Lpm to 30 Lpm. State the equation represented by the curve. On the same graph, plot the Hrequired versus Q and indicate the operating point. Table 2: Pump Omicron performance data Q (LPM) H (m) 0 46.5 46 42 37 29 16.5 0.0 5 10 15 20 25 30

Dynamic Question 16

1. With 25% efficiency, how much work is produced by Q-in of 31076 J? (answer format: 0000 no units) 2. With the parameters given from the previous number, how much is Q-out? Answer format: 00000, no need for unit 3. With the parameters from the previous question, how much heat was wasted? answer format: 00000 no units pls help ill rate you

Unit 7: Dynamic Surfaces and Chains Essay Question :d Cains 333 D 11 M . 11233200 Multiple-Choice Questions What dynamic surfaces can be found in a classic SLR camera? A. Lens B. Shutter C. Aperture adjuster D. Film Which of the following material attributes may present a problem in dynamic surface designing? A. Hardness B. Elasticity C. Opacity D. Smoothness edu.curriculum@stratasys.com Examine the image below. What would you do to improve the nesting layout ad shorten print time? A. Print tall parts and short parts separately B. Rotate tall parts to shorten Z axis height and reduce height differences between two part types C. Align all 6 parts to one row to reduce print-head travel time Increase spacing between parts D.

c) exhaust Q2.A/ Explain the operation and benefits of AMT. Q2.B/ Explain the cylinder deactivation and how it's done. Q3.A/ What is the VEL system and How it's work? Q3.B/ Explain the Kinetic Energy Recovery System (KERS). Q4.A/ What is "Over-boosting"? What is the risks of it? 01 B/Engine Downsizing is very famous in modern engines ... Expand. علم

The following data apply to a four – stroke SI engine:   Number of cylinders                                      4 Cylinder bore                                                   75mm Stroke                                                                80mm Cylinder clearance volume                            47cm3 Engine speed                                                   5000 rpm Brake torque                                                   110 Nm Fuel consumption rate                                  0.005 kg/s Calorific value of fuel                                     42 MJ/kg Indicated mean effective pressure             1.15 Mpa.   Determine the following:   a)      The compression ratio.                                                             b)      Brake power                                                                               c)      Brake efficiency                                                                           d)     Indicated power…