1. a) Find the mass of a tank of ethyl alcohol in units of kg if it weighs 3.6 kN and the specific weight in units of kN/m³ if the volume is 0.3m³. | b) A 3 mm diameter of straw is inserted into a pan of water at 30°C (y water at 30°C = 9.764 kN/m³, o = 0.0712 N/m). If the water in the straw rises to a height of 3.6 mm above the water surface in the pan, calculate the contact angle, 0. c) Determine the viscosity of the fluid between the shaft and brushing shown in Figure Qld if the shaft moves at 1.5m/s under a force of 70 N. The uniform radial gap between the brushing and shaft is 0.15 mm. 90 mm diameter -F = 70 N 1.5 m/s 155 mm Figure Qld
1. a) Find the mass of a tank of ethyl alcohol in units of kg if it weighs 3.6 kN and the specific weight in units of kN/m³ if the volume is 0.3m³. | b) A 3 mm diameter of straw is inserted into a pan of water at 30°C (y water at 30°C = 9.764 kN/m³, o = 0.0712 N/m). If the water in the straw rises to a height of 3.6 mm above the water surface in the pan, calculate the contact angle, 0. c) Determine the viscosity of the fluid between the shaft and brushing shown in Figure Qld if the shaft moves at 1.5m/s under a force of 70 N. The uniform radial gap between the brushing and shaft is 0.15 mm. 90 mm diameter -F = 70 N 1.5 m/s 155 mm Figure Qld
Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
5th Edition
ISBN:9781305084766
Author:Saeed Moaveni
Publisher:Saeed Moaveni
Chapter10: Force And Force-related Variables In Engineering
Section: Chapter Questions
Problem 24P
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Transcribed Image Text:1.
a) Find the mass of a tank of ethyl alcohol in units of kg if it weighs 3.6 kN and the
specific weight in units of kN/m³ if the volume is 0.3m³. |
b) A 3 mm diameter of straw is inserted into a pan of water at 30°C (y water at 30°C =
9.764 kN/m³, o = 0.0712 N/m). If the water in the straw rises to a height of 3.6 mm
above the water surface in the pan, calculate the contact angle, 0.
c) Determine the viscosity of the fluid between the shaft and brushing shown in Figure
Qld if the shaft moves at 1.5m/s under a force of 70 N. The uniform radial gap
between the brushing and shaft is 0.15 mm.
90 mm
/ diameter
F-70 N
1.5 m/s
155 mm
Figure Qld
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