During coastdown testing of a family passenger car, the following roadload drag force characteristic was derived:FRL = 0.392v²+162Where FRL is given in Newtons, and v, the vehicle speed in m/s.It is desired that the vehicle should have a top speed of 200km/h.Assuming a transmission efficiency of 90%, which of the followingengines would be most suitable?TypeBMEP(Bar)MaximumEngineCubicCapacitySpeed (rpm)(CC)Normally aspirated SI engine1165001400Turbocharged Sl engine166000950Normally aspirated Cl engine8.545002400Turbocharged and aftercooled CI 1245001800engine

Step 1: Based on the information provided in the table, the most suitable engine for the family…

Answered: During coastdown testing of a family…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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CASIO fx-991ES PLUS ALPHA CALC EGO the car move ? [Ans. NA 16.5 kN, Ng =42.3 kN, the car does not move] %3D 5. A box weighs 150 kg. The coefficient of static friction between the box and the ground is 0.3. Determine if the 80 kg man can pull the box without slipping when the coefficient of static friction between the man's shoes and the ground is 0.4. Hint: analyse block and man separately i.e. draw separate FBDS
1 The following observations are recorded during a test on a four-stroke petro engine, F.C = 25cc of fuel in 10 sec, speed of the engine is 2600 rpm, B.P = 22 kW, Qair 0.00134 m, piston diameter 90 mm, density of the fuel = 0.85gm/cc , compression ratio = 7.5, CV of fuel = 42000KJ/Kg, room temperature = 24 °C %3D = 140mm, stroke length = %3D %3D %3D 2 A six-cylinder 4-stroke cycle petrol engine is to be designed to develop 250 kW of (b.p) at 2200 rpm the stroke / bore ratio is to be 1.3:1. Assuming nm =80% and an indicated mean effective pressure of 9.5 bar, determine the required bore and stroke. If the compression ratio of the engine is to be 7.5 to 1, determine consumption of petrol in kg/h and in kg/bp.hr. Take the ratio of the indicated thermal efficiency of the engine to that of the constant volume air standard cycle as 0.65 and the calorific value of the petrol as; 44770KJ/kg.
Problem Solving: )An object falls from rest in a medium offering a resistonce. The velocity of the object hefore the ohject reaches the ground is given by the differential egua- tion dv/t + V% = 32, t/sec. uhat is the veloaty of the okject one second after it falls ?
480 ft-lbf First Gear (2.66) Final Drive (3.42) Axle Torque Thrust Force Figure 2 - Corvette Z06 and its transmission schematic. You start by measuring the 60-0 mph braking performance, which is accomplished along 30.56 m. The test weight (including the driver) was found to be 1510.5 kgf. 1) "Fuel is spent to make the vehicle go uphill, as you are aware. However, the fuel will not be restored if the vehicle is brought back from the hilltop to the initial elevation level."ANALYSE this statement under the laws of Thermodynamics.
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(b) Table Q2(b) shows the information of a front-drive vehicle parameters. Table Q2(b): Vehicle parameters No Parameter Weight at front axle Weight at rear axle Value 1. 8,674 N 2 5,115 N 3 2.667 m Wheelbase CG height Coefficient of friction 4 0.4826 m 0.62 1.524 m Tread Final drive ratio 6. 7 3.70 0.319 m 1288 Nm/deg 840 Nm/deg 8. Tire size Roll stiffness at front axle Roll stiffness at rear axle 10 (i) Determine the maximum tractive force with locking differential (independent front suspension) in unit N. (ii) Based on Question 2 (b)(i), determine the maximum longitudinal acceleration of the vehicle in unit m/s?.
otoring: MITO R (Motor) = VAPPL Torque [N*m] 60 T 0₁ V 200 rad/s W₁ Viscous Friction b₁ N₁ J₁ 2 N₂ b₂ Viscous Friction J₂ VMOTOR K, W₁ T=K₁ i 0₂ ta from the steady state dynamometer test and the given values: J₁ ², b₁ 2N, b2 = 12N, N₁ = 50 teeth, N₂ = 100 teeth (R should rad'
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The following observations have hecn ndo from the test of a four- cylinder, two-stroke gasoline engine. Diameter speed = 1600 rpm; Area of the positive loop of the indicatortagram 5.75 sq cm: Area of the negative loop of the indicator diagram sq cm: Length of the indicator diagmnge 3.5 bar/cm; Find the indicated power {he engine. = 10 cm; str d 15 cm; 25 55 mm: Spring cons = ||

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