Thermal conductivity of a material may be defined as the

Question

Options:

A . Quantity of heat flowing in one second through one cm cube of material when opposite faces are maintained at a temperature difference of 1°C

B . Quantity of heat flowing in one second through a slab of the material of area one cm square, thickness 1 cm when its faces differ in temperature by 1°C

C . Heat conducted in unit time across unit area through unit thickness when a temperature difference of unity is maintained between opposite faces

D . All of the above

Answer: Option D

Submit Your Solution Below and Earn Points !

Next Question

Submit Solution

More Questions on This Topic :

Question 1. A perfect black body is one which....

Question 2. Film coefficient is defined as the ratio of....

Question 3. The highest thermal diffusivity is of....

Question 4. Thermal conductivity of water _________ with rise in temperature.....

Question 5. The rate of energy transferred by convection to that by conduction is called....

Question 6. Which of the following property of air does not increase with rise in temperature?....

Question 7. Two balls of same material and finish have their diameters in the ratio of 2: 1 and both are heated to same temperature ....compared to smaller one will be in the ratio of

Question 8. Thermal conductivity of glass wool varies from sample to sample because of variation in....

Question 9. Two plates spaced 150 mm apart are maintained at 1000°C and 70°C. The heat transfer will take place mainly by....

Question 10. According to Stefan Boltzmann law, ideal radiators emit radiant energy at a rate proportional to....

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

DSP Combined 1 Free Revision Test SAIL JO E-0

GPOE / GPA Combined 1 Free Revision Test SAIL JO E-0

BSP Plant Specific Review Test SAIL JO E-0

BSL Combined 1 Free Revision Test SAIL JO E-0

GFM Combined 1 Free Revision Test SAIL JO E-0

Submit Solution

More Questions on This Topic :

Latest Videos

Latest Test Papers