MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Engineering (MCQ) questions and answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Energy required for deformation can be calculated using the formula |
| A. | E = L |
| B. | E = L G b |
| C. | E = L (Gb) |
| D. | E = L G b |
| Answer» C. E = L (Gb) | |
| 2. |
Match the following group 1 items (crystal structures) with group 2 items (average number of atoms per unit cell) and select the correct option1. Simple cubic crystal structure ----------------- A.22. Body centered crystal structure --------------- B.63. Face centered crystal structure ---------------- C.14. Hexagonal close packed structure ------------ D.4 |
| A. | 1 A, 2 C, 3 D, 4 B |
| B. | 1 C, 2 A, 3 D, 4 B |
| C. | 1 B, 2 A, 3 C, 4 D |
| D. | 1 D, 2 A, 3 B, 4 C |
| Answer» C. 1 B, 2 A, 3 C, 4 D | |
| 3. |
Match the following group 1 items(rubbers) with group 2 items (Rubber formation) and select the correct option1. Nitrate rubbers ----------------------------------- A. copolymerization of butadiene and styrene2. Butadiene rubbers ------------------------------- B. polymerization of isobutylene with isoprene3. Neoprenes ----------------------------------------- C. copolymerization of butadiene and crylonitrite4. Butyl rubbers ------------------------------------- D. polymerization of chloroprene molecules |
| A. | 1 A, 2 D, 3 B, 4 - C |
| B. | 1 B, 2 C, 3 D, 4 - A |
| C. | 1 C, 2 A, 3 D, 4 B |
| D. | 1 C, 2 B, 3 A, 4 - D |
| Answer» D. 1 C, 2 B, 3 A, 4 - D | |
| 4. |
Which type of cermets are used as an substitute for Wc - Co alloy cutting tools? |
| A. | Tic - base cermets |
| B. | ThO |
| C. | ThO |
| D. | None of the above |
| Answer» B. ThO | |
| 5. |
Which among the following is known as Schmid's factor? |
| A. | (cos |
| B. | (cos ) x (sin ) |
| C. | (sin ) x (sin ) |
| D. | (cos ) x (cos ) |
| Answer» E. | |
| 6. |
Match the following group 1 items (Method of atomization) with group 2 items (Application) and select the correct option 1. D. P. G. Process ----------------------------------- A. Copper tube2. Mannesmann process ---------------------------- B. Aerospace3. Dissolved gas atomization ---------------------- C. Electronic framework4. Rotating electrodes atomization --------------- D. Aluminum powder as solid rocket fuel |
| A. | 1 D, 2 B, 3 A, 4 C |
| B. | 1 C, 2 A, 3 D, 4 B |
| C. | 1 B, 2 A, 3 C, 4 D |
| D. | 1 C, 2 D, 3 B, 4 A |
| Answer» C. 1 B, 2 A, 3 C, 4 D | |
| 7. |
Which of the following statements is/are true for cold working process?1. Cold working process does not provide good surface finish 2. Cold working process produces internal stress in a metal 3. Fatigue strength of metals can be improved 4. Cold working process cannot take place below recrystallization temperature |
| A. | statement 1 and statement 2 |
| B. | statement 2 and statement 3 |
| C. | statement 3 and statement 4 |
| D. | all the above statements are true |
| Answer» C. statement 3 and statement 4 | |
| 8. |
Which type of microscope is used to determine particle diameter between (10 to 0.001 )? |
| A. | Optical microscope |
| B. | Electron microscope |
| C. | Both a. and b. |
| D. | None of the above |
| Answer» C. Both a. and b. | |
| 9. |
Which of the following statements is/are false?1. Ball indenter in Rockwell hardness test is made of diamond 2. Brale indenter in Rockwell hardness test is made of diamond 3. Micro hardness test is used to measure hardness of thin brittle materials |
| A. | Only 1 |
| B. | Only 2 |
| C. | Only 3 |
| D. | All the statements are false |
| Answer» B. Only 2 | |
| 10. |
Match the following group 1 items with group 2 items and select the correct option1. Durometers ---------------------------------------------- A. Value of modulus of rigidity 2. Brinell Hardness test ---------------------------------- B. To verify formability3. Torsion test----------------------------------------------- C. Hardness of non-metallic materials like plastics4. Erichsen cupping test ---------------------------------- D. Hardness of soft and ductile materials |
| A. | 1 D, 2 B, 3 A, 4 C |
| B. | 1 C, 2 D, 3 A, 4 B |
| C. | 1 B, 2 A, 3 D, 4 C |
| D. | 1 D, 2 A, 3 B, 4 C |
| Answer» C. 1 B, 2 A, 3 D, 4 C | |
| 11. |
Select the correct option which shows mechanical property of ceramic materials? |
| A. | Non-crystalline ceramics become brittle below recrystallization temperature |
| B. | At high temperatures ceramics have favorable properties |
| C. | Ceramic products are resistant to oxidation |
| D. | Ceramics can be used as a moderator |
| Answer» B. At high temperatures ceramics have favorable properties | |