- A bearingis that machine element con strains Rlelatira yotion to only motion, and the desNed Yeduces triction between moving parts. Discuss classficalion of bearing And application in details?
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Q: Calculate the bearing life , if rating life for bearings is 9000h and shaft is rotating at 1500rpm.
A: Given:Lh=9000 hN= 1500 rpm
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A: As loading is symmetrical, we can take advantage of that. Reaction forces would be same at both…
Q: A deep groove ball bearing is subjected to a equivalent dynamic load 7240 N. If the rating life is…
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Q: A deep groove ball bearing has a dynamic load capacity of 40000 N. Work cycle consists 5000 N at…
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Q: For a roller bearing having a bore of 65 mm. an SKF catalog states that the largest diameter should…
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Q: Write the compatibility equation. Give consideration as to how it supports constrain shaft when it…
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Q: Calculate the bearing life , if rating life for bearings is 9000h and shaft is rotating at 1500rpm.…
A: Data given- Lh = 9000 h N = 1500 rpm
Q: A wheel of a vehicle transmits 10 hp with 800 rpm. A short external brake is used to stop it. a=…
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Q: When would you use a Ball bearing? When would you use a Cylindrical Roller Bearing? When would you…
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Q: Express shaft in series and set some example in prismatic condition and pure torsion condition.
A: Below is the solution of the above problem with all the requirements as mentioned by you.
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A: Given: To check whether the statement is TRUE or FALSE.
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Q: A steel wire 2 mm diameter is held between fixed bearings, The wire weighs 0.241N/m and the flexural…
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Q: A ball bearing with a dynamic load capacity of 22.8 kN is subjected to a radial load of 29kN.…
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A: Given Speed, N = 2000 rpm Load, P = 8 kN C = 10 kN Find Rated life, L
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Q: DUESTON 2, WHAT ARE RADIAL, THRUST ANGULAR.con TACT ROLLING -ELENIENH BEARING?
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- QsI The whel of mutuv Cy cle and the engine parts have antoncent •f inertia 2-5 kgm? and o I5 ky.m respectively The axis of rotation of the engine erant Shaft is parallel to thatof the road wheels-IR the gear ratio is 5:1 and the diameter o f the road whels is o5m, find the magnitude anal divection . f the gyroscopic Couple when the motor Cycle rounds a Curve of 3om radius at 16 mls.3. A large spool of rope rolls on the ground with the end of the rope lying on the top edge of the spool. A person grabs the end of the rope and walks a distance l, holding onto it, Fig. 10-62. The spool rolls behind the person without slipping. What length of rope unwinds from the spool? How far does the spool's center of mass move? m 0S.0= FIGURE 10-62 Problem 83.A wheel rest at the corner of the block as the figure. It F is a minimum force required to raise the wheel onto the block, What is the force at Point A ? The block is fixed
- Question 1: A race car is turning (cornering) on a flat road, as shown in Figure Q1-1. The speed of the car is 300 kph and the turning radius is 260 m. Having the car parameters as below, answer questions a) and b). ● . ● ● m = 890 (kg) (57% of the weight is on the rear axle); Air density = 1.225 (kg/m3); Equivalent aerodynamic lift coefficient for front axle= -0.915 (-); Aerodynamic frontal area= 1.11 (m²); Slip angle of the front tyres= +2.4 (°); Slip angle of rear tyres= +1.2 (°); The steering angle of wheels= -1.9 (°); The efficiency of the drivetrain from the engine to the contact patch of tyres is 100%. 8=-1.9°- ---R=260 m α = +2.4° αR = +1.2° Figure Q1-1 Motion of the vehicle and the angles a) Calculate the engine power delivered to tyres to overcome the total induced drag due to lateral force.Turning moment 1mm = 60NM: crank angle, 1 mm = 1°. The turning moment shows the maximum energy that needs to be stored by the flywheel in unit area is 2850 m?. The flywheel rotates at an average speed of 220 rpm with a total speed change of 2.5%. If the mass of the flywheel is 500 kg, find the appropriate dimensions (inner diameter, outer diameter and thickness) of the flywheel. Given that inner diameter of the flywheel is 0.9 outer diameter and the density is 7.2 Mg/m3. Reply.The turning moment diagram for a multi cylinder engine has been drawn toa scale of 1 mm = 4500 N -m vertically and 1 mm = 2. 4 ͦ horizontally. Theintercepted areas between output torque curve and mean resistance lineabove and below the mean taken in order from one end are 342, 23, 245,303, 115, 232, 227, 164 ??2, when the engine is running at 150 rpm. Ifthe mass of the flywheel is 1000 kg and the total fluctuation of speed doesnot exceed 3% of the mean speed, find the minimum value of the radius ofgyration.
- Shown below is a figure of a landing gear configuration on the VS and VD planes (for landing gear the directions V, D, and S are often used instead of x, y and z) This gear unit is assumed to represent one side of the main gear on a tricycle type of the landing gear system. The loading assumed corresponds to a condition of nose wheel up or tail down. The design load on the wheel is vertical and it s magnitude for this problem is 15,000 lbf. Determine the reactions at F, H, and G. The fittings at F and H are pinned and therefore cannot transmit any bending moments. The fitting at G is also a pinned fitting.A W N L N W nút happens tu tne y-valucJ - Problems 5-8, write the equation of the line shown. 6. 6- 4- 4- 3 2- -2-12 1 2 -2-11A1 2 -2- -4 8. 1 1 ed hapou -4-3-2-11- 2 3 4 123 32-11 -2- 4-TOPIC: TORSION b. Write ALWAYS TRUE if the Atate ment ie true for all pituatims. 2f not, Writl FALSE Á and atate whup the atatenmend À Not alway a true. kThe higher the value of torsional thin -walled atiffnes for fubes, the' higher ia its torque capacity before turiating oečurs. q The A-M. Wahe Formula ia an empirical wsed to cal culate apringa. occurs. formula light the Ahear Atress im