GATE MT 2017 question paper — Paper 1

For the matrix, , is

The mean of a numerical data-set is and the standard deviation is . If a number is added to each term in the data-set then the mean and standard deviation become:

If then at , the function is

The pressure (P) versus volume (V) diagram given below represents reversible isothermal curves at temperatures, T1, T2 and T3. Considering one mole of ideal gas for all …

For the electrochemical reaction, Cu²⁺ + Zn = Zn²⁺ + Cu, the standard cell potential at 25°C and 1 atm pressure is: (Given: E° (Cu²⁺/Cu) = 0.337 V and E° (Zn²⁺/Zn) = −0.…

The rate of dissolution of Al particles in liquid steel is proportional to concentration difference (ΔC). ΔC is defined by: (Given: (i) C b = bulk concentration of disso…

Hydrogen dissolves in Pd by the reaction H₂ = 2 [H]. At 300°C and P H₂ = 1 atm, the solubility of hydrogen in Pd is 1.64 × 10⁴ mm³ (STP) per kg of Pd. At 300°C and P H₂ …

The sieve analysis of ground quartz particles is given in the table below: | Sieve size (mm) | Mass fraction of ground product retained on each sieve | |---|---:| | 4.76…

The sequence of precipitation to reach stable equilibrium during aging of Al-4.5 wt.% Cu alloy is:

Tungsten powder is pressed at 150 MPa to a green density of 55%. After sintering, the compact attains 86.5% of its theoretical density. Assuming uniform shrinkage, the l…

For a FCC metal, radius of the largest sphere that can fit in the tetrahedral void (in nm) is (answer up to three decimal places) (Given: lattice parameter = 0.401 nm)

In an iron-carbon alloy containing 0.35 wt.% C, the mass fraction of pearlite just below the eutectoid temperature is (answer up to two decimal places) (Given: eutectoid…