Chemical Engineering Basics - Study Mode
[#791] Nusselt number is related to Grashoff number (Gr) in turbulent & laminar flow respectively, in respect of free convection over a vertical flat plate as
Correct Answer
(A) Gr 0.25 , Gr
[#792] Which of the following is not an ore of iron?
Correct Answer
(A) Chalcopyrite
[#793] Which of the following pairs regarding the effect of alloying elements in steels are not matched correctly?
Correct Answer
(A) Cobalt: It contributes to rerl hardness by hardening ferrite
[#794] Corrosion of metals can not be prevented by its
Correct Answer
(A) Tempering
[#795] Which of the following materials has the least scrap value?
Correct Answer
(B) Stainless steel