MCQOPTIONS
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MCQOPTIONS
This section includes 7 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. |
Shaft with taper key is an example of |
| A. | incompletely constrained motion |
| B. | completely constrained motion |
| C. | successfully constrained motion |
| D. | all of the above |
| Answer» D. all of the above | |
| 2. |
Which of the following statements is/are true?1. Static force analysis does not consider inertia forces along with static forces2. The SI unit of mass moment of inertia is kg/m 3. Mass moment of inertia of a thin disc about its diameter is given by (mr) / 2 |
| A. | Only 1 |
| B. | Only 2 |
| C. | Only 3 |
| D. | All the above statements are true |
| Answer» B. Only 2 | |
| 3. |
Match the following Group 1 items (Kinematic pairs) with Group 2 items (Examples) and select the correct option1. Revolute pair ----------------------------------------------- A. Ball bearing2. Helical pair ------------------------------------------------- B. Ball and socket3. Rolling pair ------------------------------------------------- C. Lathe spindle in the head stock4. Globular pair ----------------------------------------------- D. Motion between bolt and fixed nut |
| A. | 1 D, 2 A, 3 C, 4 B |
| B. | 1 B, 2 D, 3 A, 4 C |
| C. | 1 C, 2 D, 3 A, 4 B |
| D. | 1 A, 2 C, 3 D, 4 B |
| Answer» D. 1 A, 2 C, 3 D, 4 B | |
| 4. |
Which of the following conditions should be satisfied for a two point mass statistically equivalent system?1. m = m + m2. m l = m l3. m l = ml4. I = I + I |
| A. | Condition 1 and condition 2 |
| B. | Condition 1 and condition 3 |
| C. | Condition 2 and condition 4 |
| D. | All the above conditions should be satisfied |
| Answer» C. Condition 2 and condition 4 | |
| 5. |
Calculate the thrust in connecting rod, if piston effort is 200 kN and crank makes an angle of 45 from TDC. Assume obliquity ratio = 3.5 |
| A. | 900.80 kN |
| B. | 204.20 kN |
| C. | 195.87 kN |
| D. | 970.02 kN |
| Answer» C. 195.87 kN | |
| 6. |
Match the following Group 1 items with Group 2 items1. Piston effort (F) ----------------------------------- A. F sin ( + ) 2. Thrust in connecting rod (F)------------------- B. F cos ( + )3. Tangential force on crank shaft (F) ------------ C. F F + F + W4. Radial force along crank shaft (F) ------------- D. F / cos |
| A. | 1 A, 2 C, 3 D, 4 B |
| B. | 1 B, 2 D, 3 C, 4 A |
| C. | 1 C, 2 D, 3 A, 4 B |
| D. | 1 B, 2 A, 3 D, 4 C |
| Answer» D. 1 B, 2 A, 3 D, 4 C | |
| 7. |
The relation between number of links and number of lower pairs is given as n = 2p 4. If L.H.S is less than R.H.S of this equation then the chain is |
| A. | constrained |
| B. | locked |
| C. | structure |
| D. | unconstrained |
| Answer» E. | |