Thermal Conductivity MCQs : This section focuses on the "Thermal Conductivity" in Heat Transfer. These Multiple Choice Questions (MCQs) should be practiced to improve the Heat Transfer skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
____________ refers to the ability of a given material to conduct/transfer heat.
A. General Heat
B. Thermal conductivity
C. Dielectric Heating
D. None of the above
Question 2
It is generally denoted by the symbol?
A. u
B. p
C. k
D. x
Question 3
The reciprocal of this quantity is known as?
A. General Heat
B. Thermal Resistivity
C. Thermal Heat
D. Heat Conduction
Question 4
Fouriers law of thermal conduction also known as the law of heat conduction.
A. TRUE
B. FALSE
C. Can be true or false
D. Can not say
Question 5
In which dimensions thermal conductivity can be expressed?
A. Temperature
B. Length
C. Mass
D. All of the above
Question 6
Which techniques involve measurements where the temperature of the material in question does not change over a period of time?
A. Transient Techniques
B. Steady-State Techniques
C. Both A and B
D. None of the above
Question 7
Mark the matter with least value of thermal conductivity
A. Water
B. Ash
C. Air
D. Window glass
Question 8
Most metals are good conductor of heat because of
A. Transport of energy
B. Free electrons and frequent collision of atoms
C. Lattice defects
D. Capacity to absorb energy
Question 9
Which one is having the highest thermal conductivity?
A. Earth
B. Copper
C. Glass
D. Silver
Question 10
In Transient Techniques, the measurements are taken during the heating-up process.
A. Yes
B. No
C. Can be yes or no
D. Can not say