MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Railway Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is Photo-elastic method used for? |
| A. | For measuring stresses on the rail |
| B. | For measuring strain of the rail |
| C. | For calculating depth of ballast |
| D. | For Reconnaissance survey |
| Answer» B. For measuring strain of the rail | |
| 2. |
The pattern of distribution of load under the sleepers does not depend on which of the following factors? |
| A. | Firmness of packing |
| B. | Cost of construction |
| C. | Sleepers |
| D. | Standard of maintenance |
| Answer» C. Sleepers | |
| 3. |
As per the theory of Hertz the rail and wheel contact is similar to the contact between _____ |
| A. | two cylinders |
| B. | a cylinder and a sphere |
| C. | a sphere and a cube |
| D. | two spheres |
| Answer» B. a cylinder and a sphere | |
| 4. |
The maximum combined force of the Hammer blow, inertia of driving wheel, steam effect do not act simultaneously due to phase difference in position of counterweights. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
In the Hammer blow effect formula H = Mr(2 n)2 sin /g, what does n stand for? |
| A. | Crank pin diameter |
| B. | Number of revolutions |
| C. | Number of revolutions per second |
| D. | Number of wheels in locomotive |
| Answer» D. Number of wheels in locomotive | |
| 6. |
Hammer blow effect is because of the _____ |
| A. | revolving masses like crank pins, coupling rods |
| B. | weight added to balance the reciprocating masses |
| C. | difference in elevation of inner and outer rail |
| D. | cant deficiency |
| Answer» C. difference in elevation of inner and outer rail | |
| 7. |
How is the lateral displacement of rail balanced? |
| A. | By coning of wheels |
| B. | By friction between rail and sleeper |
| C. | By manual means |
| D. | By electrical equipment |
| Answer» C. By manual means | |
| 8. |
Which is the major force developed due to revolving masses like pins and coupling rods in the wheel? |
| A. | Centrifugal force |
| B. | Vertical force |
| C. | Lateral force |
| D. | Centripetal force |
| Answer» B. Vertical force | |
| 9. |
What is the German formula for the speed factor of the train? |
| A. | V/30,000 |
| B. | V<sup>2</sup>/30,000 |
| C. | V/3000 |
| D. | V<sup>2</sup>/3000 |
| Answer» C. V/3000 | |
| 10. |
Why is the value of dynamic load much more than that of static load? |
| A. | Due to impact of speed and rail vibrations |
| B. | Additional live load during motion |
| C. | More traffic |
| D. | Both loads are same |
| Answer» B. Additional live load during motion | |
| 11. |
Which of the following is not a type of force acting on the track? |
| A. | Vertical load |
| B. | Lateral force |
| C. | Magnetic force |
| D. | Contact stresses |
| Answer» D. Contact stresses | |