Explore topic-wise MCQs in Advanced Powder Metallurgy Processing Techniques.

This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Advanced Powder Metallurgy Processing Techniques knowledge and support exam preparation. Choose a topic below to get started.

1.

For which of the following conditions does the combustion proceeds at the highest velocity (where MPC1 and MPC2 are melting points of component 1 and 2 respectively)?

A. MP<sub>C1</sub> &lt; T<sub>ad</sub> &lt; MP<sub>C2</sub>
B. T<sub>ad</sub> &gt; MP<sub>C1</sub> and MP<sub>C2</sub>
C. T<sub>ad</sub> &lt; MP<sub>C1</sub> and MP<sub>C2</sub>
D. T<sub>ad</sub> = MP<sub>C1</sub> and MP<sub>C2</sub>
Answer» B. T<sub>ad</sub> &gt; MP<sub>C1</sub> and MP<sub>C2</sub>
Discussion
2.

Solid state combustion leads to _______ combustion velocities.

A. Highest
B. Lowest
C. Lower
D. High
Answer» C. Lower
Discussion
3.

In the case of TiB2, high pressures are needed to make it a gasless combustion.

A. True
B. False
Answer» B. False
Discussion
4.

In SHS reactions, an important parameter is the _________

A. Isothermal temperature
B. Volumetric expansion
C. Adiabatic temperature
D. Heat
Answer» D. Heat
Discussion
5.

Which of the following equation represents reaction of the elements with decomposition products type of SHS reaction?

A. Ni + Al NiAl
B. 2TiH<sub>2</sub> + N<sub>2</sub> 2TiN + 2H<sub>2</sub>
C. B<sub>2</sub>O<sub>3</sub> + TiO<sub>2</sub> + 5Mg TiB<sub>2</sub> + 5MgO
D. 2BH<sub>3</sub>N<sub>2</sub>H<sub>4</sub> 2BN + N<sub>2</sub> + 7H<sub>2</sub>
Answer» C. B<sub>2</sub>O<sub>3</sub> + TiO<sub>2</sub> + 5Mg TiB<sub>2</sub> + 5MgO
Discussion
6.

Which of the following equation represents Synthesis from compounds type of SHS reaction?

A. PbO + WO<sub>3</sub> PbWO<sub>4</sub>
B. B<sub>2</sub>O<sub>3</sub> + 3Mg + N<sub>2</sub> 2BN + 3MgO
C. Nb + Li<sub>2</sub>O<sub>2</sub> + 0.5Ni<sub>2</sub>O<sub>5</sub> 2LiNbO<sub>3</sub>
D. Ni + Al NiAl
Answer» B. B<sub>2</sub>O<sub>3</sub> + 3Mg + N<sub>2</sub> 2BN + 3MgO
Discussion
7.

Which of the following equation represents Thermal decomposition type of SHS reaction?

A. Nb + Li<sub>2</sub>O<sub>2</sub> + 0.5Ni<sub>2</sub>O<sub>5</sub> 2LiNbO<sub>3</sub>
B. 2TiH<sub>2</sub> + N<sub>2</sub> 2TiN + 2H<sub>2</sub>
C. 2BH<sub>3</sub>N<sub>2</sub>H<sub>4</sub> 2BN + N<sub>2</sub> + 7H<sub>2</sub>
D. B<sub>2</sub>O<sub>3</sub> + 3Mg + N<sub>2</sub> 2BN + 3MgO
Answer» D. B<sub>2</sub>O<sub>3</sub> + 3Mg + N<sub>2</sub> 2BN + 3MgO
Discussion
8.

Which of the following equation represents Redox reaction type of SHS reaction?

A. Ti + C TiC
B. B<sub>2</sub>O<sub>3</sub> + 3Mg + N<sub>2</sub> 2BN + 3MgO
C. Nb + Li<sub>2</sub>O<sub>2</sub> + 0.5Ni<sub>2</sub>O<sub>5</sub> 2LiNbO<sub>3</sub>
D. 2TiH<sub>2</sub> + N<sub>2</sub> 2TiN + 2H<sub>2</sub>
Answer» C. Nb + Li<sub>2</sub>O<sub>2</sub> + 0.5Ni<sub>2</sub>O<sub>5</sub> 2LiNbO<sub>3</sub>
Discussion
9.

Which of the following equation represents oxidation of metals with complex oxides type of SHS reaction?

A. PbO + WO<sub>3</sub> PbWO<sub>4</sub>
B. B<sub>2</sub>O<sub>3</sub> + 3Mg + N<sub>2</sub> 2BN + 3MgO
C. Ni + Al NiAl
D. Nb + Li<sub>2</sub>O<sub>2</sub> + 0.5Ni<sub>2</sub>O<sub>5</sub> 2LiNbO<sub>3</sub>
Answer» E.
Discussion
10.

Which of the following equation represents Synthesis from elements type of SHS reaction?

A. Ti + C TiC
B. B<sub>2</sub>O<sub>3</sub> + 3Mg + N<sub>2</sub> 2BN + 3MgO
C. Nb + Li<sub>2</sub>O<sub>2</sub> + 0.5Ni<sub>2</sub>O<sub>5</sub> 2LiNbO<sub>3</sub>
D. PbO + WO<sub>3</sub> PbWO<sub>4</sub>
Answer» B. B<sub>2</sub>O<sub>3</sub> + 3Mg + N<sub>2</sub> 2BN + 3MgO
Discussion
11.

______ different types of reactions are possible in SHS.

A. 6
B. 7
C. 8
D. 5
Answer» B. 7
Discussion