MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Design knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The piston rod of a hydraulic cylinder exerts an operating force of 10kN. The allowable stress in the cylinder is 45N/mm . Calculate the thickness of the cylinder using Lame s equation. Diameter of the cylinder is 40mm and pressure in cylinder is 10MPa. |
| A. | 2.05mm |
| B. | 4.2mm |
| C. | 5.07mm |
| D. | None of the listed |
| Answer» D. None of the listed | |
| 2. |
Lame s equation is generally used for ductile materials. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
Lame s equation used to find the thickness of the cylinder is based on maximum strain failure. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
A seamless cylinder of storage capacity of 0.03m is subjected to an internal pressure of 21MPa. The ultimate strength of material of cylinder is 350N/mm .Determine the thickness of the cylinder if it is twice the diameter of the cylinder. |
| A. | 12mm |
| B. | 4mm |
| C. | 8mm |
| D. | 16mm |
| Answer» D. 16mm | |
| 5. |
A seamless cylinder of storage capacity of 0.03m is subjected to an internal pressure of 21MPa. The ultimate strength of material of cylinder is 350N/mm .Determine the length of the cylinder if it is twice the diameter of the cylinder. |
| A. | 540mm |
| B. | 270mm |
| C. | 400mm |
| D. | 350mm |
| Answer» B. 270mm | |
| 6. |
Longitudinal stress in a cylinder is given by [symbols have their usual meanings]. |
| A. | PD/2t |
| B. | 2PD/t |
| C. | PD/4t |
| D. | 4PD/t |
| Answer» D. 4PD/t | |