Match the following elements in Column I with their respective ores in Column II.
Match each crystal defect in Column I with the corresponding type in Column II.
Two randomly oriented polycrystalline copper samples with average grain sizes of 10 $\mu$m (Sample A) and 100 $\mu$m (Sample B) were tested at room temperature. Given: $E_A$ = Young's modulus of Sample A $E_B$ = Young's modulus of Sample B $Y_{SA}$ = Yield strength of Sample A $Y_{SB}$ = Yield strength of Sample B Which one of the following statements is CORRECT?
Which one of the following matrices is orthogonal?
Match the casting defects in Column I with the characteristic features in Column II.
The following are the activation energies for diffusion of carbon and iron at 773 K in polycrystalline BCC iron: P = Activation energy for diffusion of carbon in BCC iron through the lattice Q = Activation energy for diffusion of iron in BCC iron through the lattice R = Activation energy for diffusion of iron in BCC iron along the grain boundary Which one of the following statements is CORRECT?
Front tension is applied during cold rolling of a thin metal sheet. Which of the following statements is/are TRUE?
Which of the following statements is/are CORRECT when Ni is added as an alloying element to a low alloy steel?
Which of the following statements is/are CORRECT with respect to fusion welding and solid-state welding of metals and alloys?
