The heat flow equation through a cylinder of inner radius r1 and outer radius r2

Question

The heat flow equation through a cylinder of inner radius r1 and outer radius r2 is desired to be written in the same form as that for heat flow through a plane wall. For wall thickness (r₂-r₁) the area will be

Options:

A . A1 + A2/2

B . A1 + A2

C . A2 – A1/ log e (A2/A1)

D . A1 + A2/2 log e (A2/A1)

Answer: Option A
Answer: (a).A1 + A2/2

Was this answer helpful ?

Next Question

Submit Solution

More Questions on This Topic :

Question 1. A cylinder of radius r and made of material of thermal conductivity k 1 is surrounded by a cylindrical shell of inner ra....material of thermal conductivity k 2. Net conductivity would be

Question 2. For steady state and constant value of thermal conductivity, the temperature distribution associated with radial convect....temperature distribution associated with radial convection through a cylinder is

Question 3. A hot fluid is being conveyed through a long pipe of 4 cm outer diameter and covered with 2 cm thick insulation. It is p....covering with same insulation. Calculate the additional thickness of insulation

Question 4. The following data pertains to a hollow cylinder and a hollow sphere made of same material and having the same temperatu....of heat flow in the cylinder to that of sphere?

Question 5. For a prescribed temperature difference, bodies with the same shape factor will allow heat conduction proportional to....

Question 6. Shape factor for cylinder is....

Question 7. Shape factor for plane wall is equal to....

Question 8. “All the factors relating to geometry of the sections are grouped together into a multiple constant called the shape f....a multiple constant called the shape factor” True or false

Question 9. Find the heat flow rate through the composite wall as shown in figure. Assume one dimensional flow and takek 1 = 150 W/m....is 3 cm and from the bottom is 7 cm

Question 10. The oven of an electric store, of total outside surface area 2.9 m² dissipates electric energy at the rate of 600 W. Th....steady state temperature of the outside surface of the store

Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)

Direction Sense Test Part 1 Reasoning (Hindi)

Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE

Cube & Cuboid Part 1 Reasoning (Hindi)

Data Interpretation (DI) Basic Concept Reasoning (Hindi)

Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)

Sail E0 free webinar Webinars

Real Numbers Part 7 Class 10 Maths

Real Numbers Part 1 Class 10 Maths

Polynomials Part 1 Class 10 Maths

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI

Tabulation - Test Paper 2 Data Interpretation Reasoning & DI

Test Paper 1 Direction Sense Test Reasoning & DI

ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0

GFM Combined 1 Free Revision Test SAIL JO E-0

Submit Solution

More Questions on This Topic :

Latest Videos

Latest Test Papers