MCQOPTIONS
Bookmark
Saved Bookmarks
→
Heat Transfer
→
Hydrodynamic Boundary Layer
→
Which quantity can be neglected for gases?
1.
Which quantity can be neglected for gases?
A.
Transmissivity
B.
Reflectivity
C.
Absorptivity
D.
None can be neglected
Answer» C. Absorptivity
Show Answer
Discussion
No Comment Found
Post Comment
Related MCQs
Electromagnetic waves strikes a hot body maintained at 900 degree Celsius which has a reflectivity of 0.66 and a transmissivity of 0.022. Let the absorbed flux be 60 W/m2. Determine the rate of incident flux
Absorptivity of a body is equal to its emissivity
Let 220 W/m2 of radiant energy is absorbed by a convex surface, 90 W/m2 is reflected and 40 W/m2 is transmitted through it. What is the value of absorptivity?
Energy strikes a vertical hemispherical plate with an intensity of 640 W/m2. The absorptivity is thrice the transmissivity and twice the reflectivity. Determine the rate of absorption
The absorptivity of a surface depends upon(i) Direction of reflected radiation(ii) Temperature of the surface(iii) CompositionIdentify the correct statements
Energy strikes a vertical hemispherical plate with an intensity of 640 W/m2. The absorptivity is thrice the transmissivity and twice the reflectivity. Determine the rate of transmission
ABSORPTIVITY_OF_A_BODY_IS_EQUAL_TO_ITS_EMISSIVITY?$
Electromagnetic_waves_strikes_a_hot_body_maintained_at_900_degree_Celsius_which_has_a_reflectivity_of_0.66_and_a_transmissivity_of_0.022._Let_the_absorbed_flux_be_60_W/m2._Determine_the_rate_of_incident_flux$
Which quantity can be neglected for gases?
For a grey surface
Reply to Comment
×
Name
*
Email
*
Comment
*
Submit Reply
Your experience on this site will be improved by allowing cookies. Read
Cookie Policy
Reject
Allow cookies