!Required informationAn abrasive cutoff wheel has a diameter of 5 in, is 1/16 in thick, and has a 3/4-in bore. The wheel weighs 4.80 oz andruns at 11,700 rev/min. The wheel material is isotropic, with a Poisson's ratio of 0.20, and has an ultimate strength of 12kpsi.Choose the correct equation from the following options:Multiple Choiceоσmax=(314) (4r2 — r²)-оσmax = p² (3+) (4r² + r²)16σmax =(314) (4r² + r²)σmax =(314) (4² - r²)

The maximum hoop stress (σmax) in a rotating disk with an inner radius ri and an outer radius…

Answered: ! Required information An abrasive…

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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A full journal bearing has a nominal diameter of 60.0 mm, a bearing length of 30.0 mm and supports a load of 3200 N when running at the design speed of 3200 rpm. The radial clearance has been specified as 0.04 mm. An SAE 20 oil has been chosen and the lubricant supply system is capable of delivering the lubricant to the bearing at 60oC. Using the Raimondi and Body design charts;1.1 find the temperature rise of the lubricant, (19)1.2 the total flow rate required, (1)1.3 the torque required to overcome friction (3)1.4 and the power dissipated in the bearing.
A 20◦ helical gear has tangential force of 200lb and helix angle of 16◦ and face width of 0.6”.If the machining error is 0.6 and pitchline velocity is 400ft/min. Determine radial force, axial force, normal force, normal pressure angle and dynamic load.
Q1:- An epicyclic gear train has a sun wheel with 30 teeth and two planet wheels each of 50 teeth, the later is meshing with an internal with a fixed annulus as shown in Fig. (1). The input shaft carrying the sun wheel transmits 4 kWatt at 300 rpm. The output shaft is connected to an arm which carries the planet wheels. What is the speed of the output shaft and the torque transmitted if the overall efficiency is 95%? gear Internal gear Planet gear Sun gear
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8
If a pinion having 20 teeth transmit the power to the gear shaft having 40 teeth, the gear ratio of this system is 0.5. Select one: O True O False Stress concentration factor is defined as the ratio of the lowest stress or nominal stress in the component to the highest stress any where in the same component. Select one: O True O False A radial ball bearing fitted on to the shaft of a refinery vessel is subjected to axial load of 3340.8 N, take the service factor(K;) as 1.5. The equivalent dynamic load acting on the bearing will be . O 10022.40 O 1670,40 O 2505.60 O 5011.20 The outer diameter of muff is calculated as 81.2 mm. The shaft diameter of muff coupling is . mm. O a. 39.60 O b. 34.10 O c.61.38 O d. 26.80
A helical gear has a normal diametral pitch of 12. a nor- mal pressure angle of 20°, 48 teeth. a face width of 1.50 in, and a helix angle of 45°. (a) If the gear transmits 2.50 hp at a speed of 1750 rpm., compute the tangential force, the axial force, and the radial force. (b) If the gear operates with a pinion having 16 teeth. compute the bending stress in the pinion teeth. The power comes from an electric motor, and the drive is to a centrifugal blower. Specify a quality number for the teeth. (c) Specify a suitable material for the pinion and the gear considering both strength and pitting resistance.
Please solve only if you are 100% sure, Important answer.
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(b)A pair of straight bevel gears has a velocity ratio of 2:1. The pitch circle diameter of the pinion is 80 mm at the large end of the tooth.A5KW power is supplied to the pinion which rotates at 800 rp.m. The face width is 40 mm and the pressure angle is 20. Calculate the tangential ,radial and axial components of the resultant tooth force acting on the pinion
Please answer this ASAP,i need the answer in 45 min,mechanical engineering task,thx The pinion transmits 400 horsepower at 2000 rpm from a wheel single reduction straight gear. The center distance is close to 60 cm with a gear ratio of 10:1. Addendum = m with a pressure angle of 22.5o , normal pressure between teeth = 180 N/mm width. count : the closest module; the number of teeth on each wheel; pinion width

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