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The answer from Bartleby is missing/blank. Can someone help answer it please and credit this question if possible since it would have been included/explained? Thank you Chapter 50 multiple Choice #5 what is the cause of an extremely hard brake pedal

University of Babylon Collage of Engineering/ Al-Musayab Department of Automobiles Mid Examination/ Stage: 3rd Subject: Theory of Vehicles Date: 14 \ 4 \2025 Time: 1.5 Hours 2025-2024 Q1: The arms of a Porter governor are 250 mm long. The upper arms are pivoted on the axis of revolution, but the lower arms are attached to a sleeve at a distance of 50 mm from the axis of rotation. The weight on the sleeve is 600 N and the weight of each ball is 80 N. Determine the equilibrium speed when the radius of rotation of the balls is 150 mm. If the friction is equivalent to a load of 25 N at the sleeve, determine the range of speed for this position. Q2: In a loaded Proell governor shown in Figure below each ball weighs 3 kg and the central sleeve weighs 25 kg. The arms are of 200 mm length and pivoted about axis displaced from the central axis of rotation by 38.5 mm, y=238 mm, x=303.5 mm, CE 85 mm, MD 142.5 mm. Determine the equilibrium speed. Fe mg E M 2 Q3: In a spring loaded Hartnell type…

University of Babylon Collage of Engineering/ Al-Musayab Department of Automobiles Final Examination/ Stage: 3rd Notes: Answer 4 questions only 2023-2202 Subject: Theory of vehicles Date: 2023\06\10-Saturday Time: Three Hours Course 2nd Attempt 1st Q1: A Hooke's coupling connects two shafts whose axes are inclined at 30°. The of the driven shaft? Find the maximum value of retardation or acceleration and driving shaft rotates uniformly at 600 rpm. What are the extreme angular velocities state the angle where both will occur. (12.5 Marks) Q2: Four masses, A, B, C, and D), revolve at equal radii and are equally spaced along a shaft. The mass B is 7 kg, and the radius of C and D make angles of 90° and 240°, respectively, with the radius of B. Find the magnitude of the masses A, C, and D and the angular position of A so that the system may be completely balanced. (12.5 Marks) Q3: A cam has straight worked faces that are tangential to a base circle of diameter 90 mm. The follower is a roller…

Subject: Air Pollution Formation and Control Do not just copy and paster other online answers

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Question 2 You are a biomedical engineer working for a small orthopaedic firm that fabricates rectangular shaped fracture fixation plates from titanium alloy (model = "Ti Fix-It") materials. A recent clinical report documents some problems with the plates implanted into fractured limbs. Specifically, some plates have become permanently bent while patients are in rehab and doing partial weight bearing activities. Your boss asks you to review the technical report that was generated by the previous test engineer (whose job you now have!) and used to verify the design. The brief report states the following... "Ti Fix-It plates were manufactured from Ti-6Al-4V (grade 5) and machined into solid 150 mm long beams with a 4 mm thick and 15 mm wide cross section. Each Ti Fix-It plate was loaded in equilibrium in a 4-point bending test (set-up configuration is provided in drawing below), with an applied load of 1000N. The maximum stress in this set-up was less than the yield stress for the…

You are assigned as the head of the engineering team to work on selecting the right-sized blower that will go on your new line of hybrid vehicles.The fan circulates the warm air on the inside of the windshield to stop condensation of water vapor and allow for maximum visibility during wintertime (see images). You have been provided with some info. and are asked to pick from the bottom table, the right model number(s) that will satisfy the requirement. Your car is equipped with a fan blower setting that allow you to choose between speeds 0, 1,2 and 3. Variation of the convection heat transfer coefficient is dependent upon multiple factors, including the size and the blower configuration.You can only use the following parameters:

University of Babylon Collage of Engineering\Al-Musayab Department of Automobile Engineering Under Grad/Third stage Notes: 1-Attempt Four Questions. 2- Q4 Must be Answered 3-Assume any missing data. 4 تسلم الأسئلة بعد الامتحان مع الدفتر Subject: Mechanical Element Design I Date: 2022\01\25 2022-2023 Time: Three Hours Course 1 Attempt 1 Q1/ Design a thin cylindrical pressure tank (pressure vessel) with hemispherical ends to the automotive industry, shown in figure I below. Design for an infinite life by finding the appropriate thickness of the vessel to carry a sinusoidal pressure varied from {(-0.1) to (6) Mpa}. The vessel is made from Stainless Steel Alloy-Type 316 sheet annealed. The operating temperature is 80 C° and the dimeter of the cylinder is 36 cm. use a safety factor of 1.8. Fig. 1 (15 Marks) Q2/ Answer the following: 1- Derive the design equation for the direct evaluation of the diameter of a shaft to a desired fatigue safety factor, if the shaft subjected to both fluctuated…

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Case Study – The New Engineer   Jeff was just hired by GSI, Inc. to be their Environmental and Safety Coordinator.  This is Jeff's first position after completing his engineering degree.  He had taken a course in safety engineering as part of his studies and felt confident that he could handle the job.   Management at GSI, Inc. has assured him that they are committed to maintaining a safe workplace.  They have never had an individual dedicated to this task full-time.  They will implement his recommendations if he can justify them.   As Jeff begins to get familiar with the operations, he spends considerable time on the production floor.  He notices workers clean their tools before break with a liquid from an unmarked 55-gallon drum.  They also use this liquid to clean residue from their skin.  They use paper towels to dry their tools and hands, throw these towels in the trash, and head to the break room for a snack and/or smoke.   In talking with the workers, Jeff learns of some of…

Case Study – The New Engineer   Jeff was just hired by GSI, Inc. to be their Environmental and Safety Coordinator.  This is Jeff's first position after completing his engineering degree.  He had taken a course in safety engineering as part of his studies and felt confident that he could handle the job.   Management at GSI, Inc. has assured him that they are committed to maintaining a safe workplace.  They have never had an individual dedicated to this task full-time.  They will implement his recommendations if he can justify them.   As Jeff begins to get familiar with the operations, he spends considerable time on the production floor.  He notices workers clean their tools before break with a liquid from an unmarked 55-gallon drum.  They also use this liquid to clean residue from their skin.  They use paper towels to dry their tools and hands, throw these towels in the trash, and head to the break room for a snack and/or smoke.   In talking with the workers, Jeff learns of some of…

1) Forgetting the fact that it would be difficult to detect, if you turn on any electrical device in your car (such as air conditioner blower, headlights, or even the radio) then additional gasoline is burned by the engine.  This statement is  a) always true. b) true only if the car's engine is running while the electrical device is on. c) true only if the car's engine is stopped while the electrical device is on. d) never true. The energy for electrical devices in your automobile has nothing to do with the amount of gasoline your engine burns. e) true in conventional cars, but not in hybrid electric cars.

You go on a road trip to escape the cold winter days of Kirkland Lake, Ontario to the warm beaches of Moonbeam, Ontario. Since it is a long drive and you are leaving early in the morning, you make sure to check the tire pressure and make sure it is at the recommended level. At lunchtime, you stop for gas and decide to check your car's tire pressure again. You also notice that the tires seem to be a little bit larger than when you left. The driver's manual suggests a pressure between 205 and 220 kPa. Knowing that the tires heat up while driving; do you expect your reading to be high, low or the same as the recommended tire pressure? Why? Since you plan on staying in Moonbeam a while to see the sights, you think it would be best to adjust your tire pressure. What adjustments should be made to your tires? Should you make these adjustments as soon as you arrive, or the following day?

A Team of Engineers asked for an internal combustion engine to use it in a designed car. Your role is to describe the operation sequence of different types of available engines, explain their mechanical efficiency, and deliver a detailed technical report to show your approach in solving and discussing the following tasks and issues.  You must follow the following steps to help the team:  STEP 1  Describe the operational sequence of four-stroke spark ignition and four-stroke compression ignition engines with the aid of sketches by constructing simple sketch representing the operation and plotting the P-V diagrams for each process during the cycle to show the following:  The input and output heat and net output work The expansion and compression strokes The air-fuel mixture intake and exhaust gasses The spark plug when it is in the active mode The complete cycle of ideal Otto and Diesel cycles that shows the input and output heat and net output work. STEP 2  Explain the mechanical…

The first photo is the question, where the 2nd shows some problem solving strategies

I want help with these questions

1. Use the collision theory to explain why a lump of sugar is better to use in hot cup of tea ,but granulated sugar is better to use in iced tea. 2.suppose you held a lighted match to a solid pieces of wood and another match to a pile of wood shavings .which form of wood catch fire more easily and why?