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