Discuss the importance of lubrication in journal bearings. How does lubrication effect the rotation of journal bearings?

Q: A CI engine single-cylinder, four-stroke cycle operating at 1100 RPM, uses 0.121 kg of fuel in 250…

A:

Q: Lecture 9 rpm. (c) To seal the faces of two mating flanges. Wor diameter, rotating shaft for a gas…

A:

Q: In a brake test, the effective load on the pulley was 38.1 kg, the effective diameter of the pulley…

A: given; →mass of pulley(m)=38.1kg→effective diameter(d)=63.5cm…

Q: Discusion: 1. Which one is better in a design of structure, parallel conection or series connection,…

A: 1. Parallel connection of design is better than series connection because reliability of parallel…

Q: WHAT 16 THE NOMINAL RATE OF INTE REST COMPOUNDED CONTINOUSLY FOR IOYRS IF THE COMPOUND AMOUNT FACTOR…

A: Answer: The nominal rate of interest is 3.0455%.

Q: Use the provided tables to select an appropriate fit between the bearing inner ring (bore) and shaft…

A: Bearing Inner Ring Bore ( or ) Shaft Nominal Diameter, ( d ) = 100 mm. Bearing Outer Ring ( or )…

Q: A four stroke ,12-cylinder diesel engine has a bore and stroke of 820 mm and 2020 mm, respectively,…

A: as per the guidelines i have to solve only 3 subparts of your question

Q: Answer the following questions 1. Enumerate the characters of friction.

A: We are suppose to solve only one question. Please post other question as a separate question.

Q: 3. A calender machine used to add materials when preparing rubberhas 18 in.diameterrolls. The rolls…

A: Given:diameter of roll, d=18 inspeed, N=60 rpm

Q: four stroke, 12 cylinder  diesel engine has a bore and stroke of 280mm and 2020 mm, respectively,…

A:

Q: A 4 stroke, 3 liter engine runs at 2000 RPM, and delivers 100 kW of brake power and consumes 350…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: In a double-acting, 2 stroke compression engine, 8-cylinder, the diameter of the cylinder is 700 mm,…

A:

Q: The design of journal bearings usually involves two suitable combinations of variables: variables…

A: Given:

Q: What are SI units of Speed?

A: The distance travelled by an object in unit time is known as the speed of the object.…

Q: A four-stroke, 12-cylinder diesel engine has a bore and stroke of 820 mm and 2020 mm, respectively,…

A:

Q: For a roller bearing having a bore of 65 mm. an SKF catalog states that the largest diameter should…

A: The given question belongs to subject Metrology. Solution contains the concept of Interference fit…

Q: 1. In details discuss all the data noticed in this experiment. 2. How dose increasing the spinning…

A: The capacity (tendency) of a spinning body to maintain a constant rotational axis is known as the…

Q: Sommerfeld number

A: Given; Natural feed journal bearing of ;Diamter, d=50 mmLength,l=50 mmIt is operating at ,N=20 rev/…

Q: Which is not a performance factor of the design of a journal bearing? choose answer below…

A:

Q: 1. How does lubrication effect the rotation of journal bearings?

A: Lubrication in Journal Bearings is necessary for proper functioning as it reduces friction, which…

Q: A 4-stroke, 5 cylinder engine produces a brake load of 5.6 kN with a torque arm of 80 cm. The engine…

A: Disclaimer: Since you have posted a question with multiple subparts, we will solve the first three…

Q: What factors influence cylinder friction?

A: Friction : It is the resistance to a motion of a object. It produces heat and is not desired in many…

Q: 12) Write the linear model of a front tire for longitudinal and lateral forces, as functions of…

A: The non-linear vehicle model can be linearized by assuming the small angle approximation and…

Q: A 200 mm x 250 mm, 8-cylinder, 4-stroke diesel engine has a brake power of 150 kW. The mechanical…

A:

Q: Discuss the concept of Static and Dynamic Friction

A: To find-: The concept of Static and Dynamic Friction. Answer-: Friction: It is a resistive force…

Q: What type of tire would result on a higher Rolling Resistance

A: In tires, tread thickness and shape affect the rolling resistance. The thicker and more molded…

Q: Application of, Solid, liquid , semi- solid and gaseous lubrication in engineering application

A: Solid lubricant are available in form of powder which acts as an anti-friction coating agent. It…

Q: What are the important factors to take into consideration when solving problems related to friction…

A: Dry Friction :- Dry friction is try to occur when there is relative motion between two completely…

Q: Draw the isometric view of a square-headed bolt 24 mm diameter and 70 mm long, with a square neck 18…

A:

Q: Calculate the indicated power of a cylinder and the engine, if the mechanical efficiency of the…

A: Given data: d=500 mmL=2050 mmNmax=124 rpmNmin=99 rpmPm=19.5 barnmin=5nmax=8 Need to determine the…

Q: Q. 374. What is the difference between flow variable and coefficient of flow variable in…

A: A flow variable is mathematically defined as the ratio of flow of lubricant within the clearance to…

Q: Take the following data for the syringe injection pump Inner diameter of syringe barrel: D = 1.5 cm…

A: The inner diameter of the syringe barrel D = 1.5 cm Inner diameter of the needle shaft of the…

Q: Determine the limits of sizes, tolerances and fundamental deviations for the shaft designated as  40…

A: basic size of shaft is, D = 40mm geometric mean dia. =30*50 = 38.72 mm Tolrance value of shaft = IT7…

Q: The following illustration shows the shaft and housing fits for a bearing system. The bottom half of…

A: Clearance Fit- This is a fit in which shaft upper limit is less than the lower limit of hole. This…

Q: Estimate the braking force and the cornering force that the tire can develop at a slip angle a = 4"…

A:

Q: What are the advantages of tubeless tyres over tubed tyres. What do you mean by tweel? Describe its…

A: Tubeless Tyres : Tubeless tyres are pneumatic tyres that do not require a separate inner tube.…

Q: 5. A dynamometer test was done for one hour at steady load on a 6 cylinder diesel engine. It was…

A:

Q: a small taper on the sides of a wheel rim? Why is an automobile tyre usually black in colour? What…

A: Rims are basically designed for the minimization of dislodging of the tire when they are subjected…

Q: As an engineer you are asked to choose 1 component from what you studied ( Screw, rolling bearing,…

A: From the above components, I am going to choose the 'key' components. A basic element on which force…

Q: A four-stroke SI engine 0.08 m bore (d), 0.10 m stroke (L), is tested at full throttle at constant…

A:

Q: If the travel ratio of a tractor was found to be 0.90. What is the % slip (wheel slippage)?

A: Given   Travel ratio, T = 0.9 Find   % Slip, S

Q: Explain the significance of Fluid friction damping in an indicating Instrument.  Diagrams – draw…

A: Fluid friction damping: This form of damping is similar to air damping but oil is used in the place…

Q: 1. An engine running at 150 rpm drives a line shaft by means of a belt. The engine pulley is 750 mm…

A:

Q: A cement truck with four-stroke diesel engine has 10 cylinders. The bore and stroke of each cylinder…

A:

Q: Power is to be transmitted from one shaft to the other by means if two rolling cones whose shafts…

A:

Q: A four-stroke SI engine 0.08 m bore (d), 0.10 m stroke (L), is tested at full throttle at constant…

A: To measure the frictional power and mechanical efficiency of an engine, a Morse key test is…

Q: (a) Discuss briefly the various types of friction and explain your classification.

A: The force that prevents motion between any two surfaces in contact is known as friction. Friction…