FLUID MECHANICS-EBOOK>I<
2nd Edition
ISBN: 2819480256061
Author: HIBBELER
Publisher: INTER PEAR
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Chapter 10, Problem 3FP
To determine
The smallest allowance diameter of the pipe
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Please solve this problem as soon as possible My ID# 016948724
The gears shown in the figure have a diametral pitch of 2 teeth per inch and a 20° pressure angle.
The pinion rotates at 1800 rev/min clockwise and transmits 200 hp through the idler pair to gear
5 on shaft c. What forces do gears 3 and 4 transmit to the idler shaft?
TS
I
y
18T
32T
This
a
12
x
18T
C
48T
5
Question 1. Draw 3 teeth for the following pinion and gear respectively. The teeth
should be drawn near the pressure line so that the teeth from the pinion should
mesh those of the gear. Drawing scale (1:1). Either a precise hand drawing or
CAD drawing is acceptable. Draw all the trajectories of the involute lines and the
circles.
Specification: 18tooth pinion and 30tooth gear. Diameter pitch=P=6 teeth /inch.
Pressure angle:20°, 1/P for addendum (a) and 1.25/P for dedendum (b). For fillet,
c=b-a.
Chapter 10 Solutions
FLUID MECHANICS-EBOOK>I<
Ch. 10 - Prob. 1FPCh. 10 - Water at a temperature of 25°C is pumped through...Ch. 10 - Water at a temperature of 25°C flows through a...Ch. 10 - SAE 10W30 oil flows from one tank to another when...Ch. 10 - The tank is filled with water at a temperature of...Ch. 10 - Prob. 1PCh. 10 - Prob. 2PCh. 10 - Prob. 3PCh. 10 - Prob. 4PCh. 10 - Determine the flow of methane at T = 68°F in ft3/h...
Ch. 10 - Water in the old 15-in.-diameter concrete drain...Ch. 10 - Water at 20°C flows upwards through the...Ch. 10 - Water at 60°F is delivered horizontally through a...Ch. 10 - A horizontal 40-ft-long galvanized iron pipe...Ch. 10 - Air at 80°F flows through the commercial steel...Ch. 10 - If the pressure drop along the 10-ft-long...Ch. 10 - Prob. 12PCh. 10 - Prob. 13PCh. 10 - Determine the greatest air flow Q through the...Ch. 10 - Water in the concrete detention pond is to be...Ch. 10 - Water is pumped from the river through a...Ch. 10 - Prob. 17PCh. 10 - Prob. 18PCh. 10 - The 20-mm-diameter copper coil is used for a solar...Ch. 10 - Water at T = 70°F flows through the...Ch. 10 - Prob. 21PCh. 10 - A 450-ft-long horizontal commercial steel pipe...Ch. 10 - Air at 60°F is transported by the fan at the rate...Ch. 10 - A cast iron pipe having a diameter of 100 mm is...Ch. 10 - A cast iron pipe having a diameter of 100 mm is...Ch. 10 - Water at 70°F flows through the 3-in.-diameter...Ch. 10 - Prob. 27PCh. 10 - A 150-mm-diameter galvanized iron pipe is used to...Ch. 10 - Prob. 29PCh. 10 - Water at 80°F is pumped from the well through a...Ch. 10 - Prob. 31PCh. 10 - Prob. 32PCh. 10 - A 75-mm-diameter galvanized iron pipe, having a...Ch. 10 - Prob. 34PCh. 10 - Prob. 35PCh. 10 - Prob. 36PCh. 10 - Prob. 37PCh. 10 - Prob. 38PCh. 10 - Prob. 39PCh. 10 - Prob. 40PCh. 10 - Prob. 41PCh. 10 - Sewage, assumed to be water where ρ = 998.3 kg/m3,...Ch. 10 - Sewage, assumed to be water where ρ = 998.3 kg/m3,...Ch. 10 - Determine the power the pump must supply in order...Ch. 10 - Prob. 45PCh. 10 - Prob. 46PCh. 10 - Prob. 47PCh. 10 - Prob. 48PCh. 10 - Prob. 49PCh. 10 - The sump pump is required to lift water from the...Ch. 10 - The submersible pump is used to fill the...Ch. 10 - Prob. 52PCh. 10 - Prob. 53PCh. 10 - The pressure of air in a large tank at A is 40...Ch. 10 - The 100-mm-diameter commercial steel pipe...Ch. 10 - The 100-mm-diameter commercial steel pipe...Ch. 10 - Prob. 57PCh. 10 - Water flows at 900 gal/min through the...Ch. 10 - Water at 20°C flows through the 20-mm-diameter...Ch. 10 - Water at 80°F flows at 5 ft/s through the...Ch. 10 - Water at 80°F flows at 5 ft/s through the...Ch. 10 - Water at 15°C is pumped from the reservoir A into...Ch. 10 - Water at 80°F flows from the large reservoir...Ch. 10 - Water at 50°F flows through the 2-in.-diameter...Ch. 10 - An automatic sprinkler system for a yard is made...Ch. 10 - Water at 70°F is pumped through the two commercial...Ch. 10 - Prob. 67PCh. 10 - Prob. 68PCh. 10 - Water at 25°C is pumped into the galvanized iron...Ch. 10 - Prob. 70PCh. 10 - The two water tanks are connected together using...Ch. 10 - Prob. 72PCh. 10 - Prob. 73P
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- 5. The figure shows a gear train. There is no friction at the bearings except for the gear tooth forces. The material of the milled gears is steel having a Brinell hardness of 170. The input shaft speed (n2) is 800 rpm. The face width and the contact angle for all gears are 1 in and 20° respectively. In this gear set, the endurance limit (Se) is 15 kpsi and nd (design factor) is 2. (a) Find the revolution speed of gear 5. (b) Determine whether each gear satisfies the design factor of 2.0 for bending fatigue. (c) Determine whether each gear satisfies the design factor of 2.0 for surface fatigue (contact stress). (d) According to the computation results of the questions (b) and (c), explain the possible failure mechanisms for each gear. N4=28 800rpm N₁=43 N5=34 N₂=14 P(diameteral pitch)=8 for all gears Coupled to 2.5hp motorarrow_forward1. The rotating steel shaft is simply supported by bearings at points of B and C, and is driven by a spur gear at D, which has a 6-in pitch diameter. The force F from the drive gear acts at a pressure angle of 20°. The shaft transmits a torque to point A of TA =3000 lbĘ in. The shaft is machined from steel with Sy=60kpsi and Sut=80 kpsi. (1) Draw a shear force diagram and a bending moment diagram by F. According to your analysis, where is the point of interest to evaluate the safety factor among A, B, C, and D? Describe the reason. (Hint: To find F, the torque Tд is generated by the tangential force of F (i.e. Ftangential-Fcos20°) When n=2.5, K=1.8, and K₁ =1.3, determine the diameter of the shaft based on (2) static analysis using DE theory (note that fatigue stress concentration factors need to be used for this question because the loading condition is fatigue) and (3) a fatigue analysis using modified Goodman. Note) A standard diameter is not required for the questions. 10 in Darrow_forward3 N2=28 P(diametral pitch)=8 for all gears Coupled to 25 hp motor N3=34 Full depth spur gears with pressure angle=20° N₂=2000 rpm (1) Compute the circular pitch, the center-to-center distance, and base circle radii. (2) Draw the free body diagram of gear 3 and show all the forces and the torque. (3) In mounting gears, the center-to-center distance was reduced by 0.1 inch. Calculate the new values of center-to-center distance, pressure angle, base circle radii, and pitch circle diameters. (4)What is the new tangential and radial forces for gear 3? (5) Under the new center to center distance, is the contact ratio (mc) increasing or decreasing?arrow_forward
- 2. A flat belt drive consists of two 4-ft diameter cast-iron pulleys spaced 16 ft apart. A power of 60 hp is transmitted by a pulley whose speed is 380 rev/min. Use a service factor (Ks) pf 1.1 and a design factor 1.0. The width of the polyamide A-3 belt is 6 in. Use CD=1. Answer the following questions. (1) What is the total length of the belt according to the given geometry? (2) Find the centrifugal force (Fc) applied to the belt. (3) What is the transmitted torque through the pulley system given 60hp? (4) Using the allowable tension, find the force (F₁) on the tight side. What is the tension at the loose side (F2) and the initial tension (F.)? (5) Using the forces, estimate the developed friction coefficient (f) (6) Based on the forces and the given rotational speed, rate the pulley set. In other words, what is the horse power that can be transmitted by the pulley system? (7) To reduce the applied tension on the tight side, the friction coefficient is increased to 0.75. Find out the…arrow_forwardThe tooth numbers for the gear train illustrated are N₂ = 24, N3 = 18, №4 = 30, №6 = 36, and N₁ = 54. Gear 7 is fixed. If shaft b is turned through 5 revolutions, how many turns will shaft a make? a 5 [6] barrow_forwardCE-112 please solve this problem step by step and give me the correct answerarrow_forward
- CE-112 please solve this problem step by step and give me the correct answerarrow_forwardCE-112 solve this problem step by step and give me the correct answer pleasearrow_forwardPlease do not use any AI tools to solve this question. I need a fully manual, step-by-step solution with clear explanations, as if it were done by a human tutor. No AI-generated responses, please.arrow_forward
- Please do not use any AI tools to solve this question. I need a fully manual, step-by-step solution with clear explanations, as if it were done by a human tutor. No AI-generated responses, please.arrow_forwardCE-112 please solve this problem step by step and give me the correct answerarrow_forwardCE-112 please solve this problem step by step and give me the correct asnwerarrow_forward
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