162) According to Clausius-Clapeyron equation the melting point of Iron.........#GATE2022

163) For a reversible isothermal process at Constant pressure the infinitely small entropy change (dS)=..............

164) Port hole die is used in which of the following Metal Working operation?

165) Flux is added in during iron ore Smelting because.......
I) It reduces the viscosity of slag
II) It reduces the softening point of gangue materials

166) Which of the following is TRUE for Cast Iron?

167) In blast furnace majority of iron oxide is reduced by.........

168) The primary purpose of adding scrap in LD converter is...........#GATE2022

169) Related to Yielding of ductile metals which is not TRUE? #GATE2022

170) Which of the following pair of crystal system : symmetry is wrong?

171) The ideal c/a ratio for a Hexagonal closed Pack crystal structure is.......

172) The Gibbs free energy of a system in states 1 and 2 are G1 and G2 respectively. The system will spontaneously go from State 2 to state 1 if.........

173) Which element is responsible for the presence of free graphite in cast iron?

174) Which of the following is not a powder manufacturing process in powder Metallurgy? #GATE2022

175) Galvanizing is generally applied to which of the following material?

176) Which of the following mineral or ore has highest Iron content?

177) To determine the composition of phases in a two phase region of a binary phase diagram which rule is applied?

178) Raceway zone inside the Blast Furnace occurs in front of............

179) In steel making sulphur removal from the hot metal is favoured by......
I)High basicity of the slag II) Low temperature III) High temperature IV) High FeO content in the slag V)Low FeO content in the slag. #GATE2022

180) By increasing temperature of a material its.......
I) Ductility increases II) Strength increases III) Ductility decreases IV) Hardness decreases

181) Among the following metals which has lowest melting point?
Aluminum, Zinc,Nickel,Copper