A black body when hot, emits heat radiation of __________ wavelengths.
A) Small
B) Large
C) All
D) One fixed
Correct Answer:
Verified
Q41: A composite flat wall of a furnace
Q42: Kirchoff's law is applicable to
A)Monochromatic radiation only
B)Total
Q43: The radiation heat flux from a heating
Q44: With increase in temperature, the thermal conductivity
Q45: The Dittus-Boelter equation for convective heat transfer
Q47: Tube pitch is the _ of tube
Q48: In Joule's experiment, an insulated container contains
Q49: Heat transfer rate per unit area is
Q50: The unit of heat transfer co-efficient is
A)BTU/hr.
Q51: The thermal efficiency of a reversible heat
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents