2. A vertical cylinder of diameter 16 cm rotates concentrically inside another cylinder of diameter 16.1 cm. The clearance space between the cylinders is filled with a liquid of unknown viscosity which has a linear viscosity profile and both cylinders are 24 cm high. Find the viscosity of the liquid if a torque of 10 Nm is required to rotate the inner cylinder at a speed of 50 rpm.
2. A vertical cylinder of diameter 16 cm rotates concentrically inside another cylinder of diameter 16.1 cm. The clearance space between the cylinders is filled with a liquid of unknown viscosity which has a linear viscosity profile and both cylinders are 24 cm high. Find the viscosity of the liquid if a torque of 10 Nm is required to rotate the inner cylinder at a speed of 50 rpm.
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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Question
please solve the number 2 (write the given, required, and solution)
![2. A vertical cylinder of diameter 16 cm rotates concentrically inside another cylinder of
diameter 16.1 cm. The clearance space between the cylinders is filled with a liquid of unknown
viscosity which has a linear viscosity profile and both cylinders are 24 cm high. Find the
viscosity of the liquid if a torque of 10 Nm is required to rotate the inner cylinder at a speed of
50 rpm.
3. A skater weighing 500 N skates at 10 m/s and is supported by an average skating area of
10 cm². If the viscosity of water is 1 centipoise and the coefficient of friction between skates
and ice is 0.02, then find the thickness of thin film of water existing between the skates and the
ice.
4.
A logging firm in Isabella operates a Diesel Electric Plant to supply its electric energy
requirements. During a 2-hour period, the plant consumed 250 gallons of fuel at 80°F and
produced 2900 kW-hrs. Industrial fuel is used at 30°API and was purchased at P30/li at 60°F.
Determine the overall thermal efficiency of the plant.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe7d8a31a-b8a9-46ed-a69a-c90c8e642544%2F5753f1a7-b67c-40ce-953b-4156fba8ff6f%2Fdixmfuc_processed.jpeg&w=3840&q=75)
Transcribed Image Text:2. A vertical cylinder of diameter 16 cm rotates concentrically inside another cylinder of
diameter 16.1 cm. The clearance space between the cylinders is filled with a liquid of unknown
viscosity which has a linear viscosity profile and both cylinders are 24 cm high. Find the
viscosity of the liquid if a torque of 10 Nm is required to rotate the inner cylinder at a speed of
50 rpm.
3. A skater weighing 500 N skates at 10 m/s and is supported by an average skating area of
10 cm². If the viscosity of water is 1 centipoise and the coefficient of friction between skates
and ice is 0.02, then find the thickness of thin film of water existing between the skates and the
ice.
4.
A logging firm in Isabella operates a Diesel Electric Plant to supply its electric energy
requirements. During a 2-hour period, the plant consumed 250 gallons of fuel at 80°F and
produced 2900 kW-hrs. Industrial fuel is used at 30°API and was purchased at P30/li at 60°F.
Determine the overall thermal efficiency of the plant.
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