MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 467 Mcqs, each offering curated multiple-choice questions to sharpen your Railways knowledge and support exam preparation. Choose a topic below to get started.
| 151. |
Which type of lever always reduces the force applied? |
| A. | Lever of the first order |
| B. | Lever of the second order |
| C. | Lever of the third order |
| D. | All of these |
| Answer» C. Lever of the third order | |
| 152. |
A screwdriver can be used to open a can of paint. In this situation, the screwdriver is being used as a |
| A. | Wheel and axle. |
| B. | Screw. |
| C. | Lever, |
| D. | inclined plane |
| Answer» D. inclined plane | |
| 153. |
The mechanical advantage for a pulley system is determined by |
| A. | Counting the number of strands holding the resistance force. |
| B. | Counting the number of strands holding and not holding the resistance force. |
| C. | Adding the radii of the pulleys. |
| D. | Multiplying the radii of the pulleys. |
| Answer» B. Counting the number of strands holding and not holding the resistance force. | |
| 154. |
The mechanical advantage of a compound machine is determined by |
| A. | Adding the mechanical advantage for each simple machine. |
| B. | Finding the simple machine with the largest mechanical advantage. |
| C. | Finding the average mechanical advantage for the simple machines. |
| D. | multiplying the mechanical advantage for each simple machine |
| Answer» E. | |
| 155. |
A simple machine that is actually a kind on inclined plane is a |
| A. | pulley |
| B. | wedge |
| C. | gear |
| D. | balance |
| Answer» C. gear | |
| 156. |
Which Greek philosopher is credited with first discovering and describing simple machines? |
| A. | Plato |
| B. | Socrates |
| C. | Archimedes |
| D. | Aristotle |
| Answer» D. Aristotle | |
| 157. |
For a lever to be a first class lever the fulcrum needs to be. |
| A. | Between the load and the effort |
| B. | On one side and the load and effort on the other side |
| C. | On the same side as the load arm. |
| D. | None of these. |
| Answer» B. On one side and the load and effort on the other side | |
| 158. |
An axe and a chisel are examples of what type of simple machine? |
| A. | Lever and Inclined plane |
| B. | Wheel and Axle |
| C. | Wedge |
| D. | Screw |
| Answer» D. Screw | |
| 159. |
What type of simple machine is an inclined plane wrapped around a pole? |
| A. | Lever |
| B. | Wheel and Axle |
| C. | Pulley and Wedge |
| D. | Screw |
| Answer» E. | |
| 160. |
How many basic types of simple machines are there? |
| A. | 2 |
| B. | 3 |
| C. | 5 |
| D. | 6 |
| Answer» E. | |
| 161. |
The use of a door stop best illustrates the use of which simple machine? |
| A. | Lever |
| B. | Screw |
| C. | Wheel and Axle |
| D. | Wedge |
| Answer» E. | |
| 162. |
Lifting a wheelbarrow best illustrates the use of which simple machine? |
| A. | Lever |
| B. | Wedge |
| C. | Pulley |
| D. | Screw |
| Answer» B. Wedge | |
| 163. |
When a rope or cable is wrapped over a grooved wheel it is called a: |
| A. | Lever |
| B. | Wheel and Axle |
| C. | Pulley |
| D. | Machine |
| E. | Screw |
| Answer» D. Machine | |
| 164. |
An arm that pivots on a point called a fulcrum |
| A. | Lever |
| B. | Screw |
| C. | Pulley |
| D. | Bevel Gear |
| Answer» B. Screw | |
| 165. |
A sloping surface that alters the force required to move the load in a perpendicular direction. |
| A. | Wedge |
| B. | Inclined Plane |
| C. | Wheel and Axle |
| D. | Pulley |
| Answer» C. Wheel and Axle | |
| 166. |
This machine converts motion in one direction into splitting motion acting at right angles. |
| A. | Screw |
| B. | Wedge |
| C. | Pulley |
| D. | Wheel and Axle |
| Answer» C. Pulley | |
| 167. |
A force multiplier is a simple machine that multiplies you is... |
| A. | Strength |
| B. | Effort |
| C. | Load |
| D. | Speed |
| Answer» C. Load | |
| 168. |
Which type of simple machine would be found on the bottom of a wagon? |
| A. | a pulley |
| B. | a screw |
| C. | a wedge |
| D. | a wheel and axle |
| Answer» E. | |
| 169. |
Which is an example of someone using a simple machine to do work? |
| A. | a boy runs across a football field |
| B. | a banker counts money |
| C. | a mother pushes a stroller up a ramp into a building |
| D. | a girl eats a sandwich. |
| Answer» D. a girl eats a sandwich. | |
| 170. |
Which of these is an example of a wedge? |
| A. | skate board |
| B. | broom |
| C. | stairs |
| D. | butter knife |
| Answer» E. | |
| 171. |
A bottle opener belongs to which class of the levers. |
| A. | Effort in the middle |
| B. | Fulcrum in the middle |
| C. | Resistance in the middle |
| D. | None of the mentioned. |
| Answer» D. None of the mentioned. | |
| 172. |
A first-class lever has the |
| A. | input force in the middle. |
| B. | fulcrum in the middle. |
| C. | fulcrum at one end and the input force between t & e fulcrum and the output force. |
| D. | fulcrum at one end and the output force between the fulcrum and the input force. |
| Answer» C. fulcrum at one end and the input force between t & e fulcrum and the output force. | |
| 173. |
What are the two families of simple machines? |
| A. | First class and second class |
| B. | pulley and screw |
| C. | inclined plane and lever |
| D. | wedge and compound. |
| Answer» D. wedge and compound. | |
| 174. |
A pair of tweezers is |
| A. | a compound machine made of two second-class levers. |
| B. | a compound machine made of two third-class levers. |
| C. | a first -class lever. |
| D. | a kind of wedge. |
| Answer» C. a first -class lever. | |
| 175. |
A wedge is a modified |
| A. | inclined plane, |
| B. | wheel and axle. |
| C. | lever, |
| D. | pulley. |
| Answer» B. wheel and axle. | |
| 176. |
Ramps, a wedge, and a screw are all examples of |
| A. | Levers |
| B. | Pulleys |
| C. | Wheels and axles |
| D. | Inclined plane |
| Answer» E. | |
| 177. |
A ramp is a simple inclined plane that allows one to apply an m put force _______ the output force. |
| A. | perpendicular to |
| B. | less than |
| C. | equal to |
| D. | greater than |
| Answer» C. equal to | |
| 178. |
Simple machines (crow bar, ramp, axe, screw, and crane) do which of the following? |
| A. | Reduce the mass of an object that needs to be moved |
| B. | Reduce the distance an object needs to be moved |
| C. | Reduce the amount of time needed to move an object over a distance |
| D. | Reduce the force needed to move an object over a Distance |
| Answer» E. | |
| 179. |
Which of the following is NOT a simple machine? |
| A. | a screw |
| B. | a lever |
| C. | a pair of scissors |
| D. | a wheel and axle |
| Answer» D. a wheel and axle | |
| 180. |
A Ferns wheel is an example of which kind of simple machine? |
| A. | Fixed pulley |
| B. | Movable pulley |
| C. | Wheel and axle |
| D. | Incline plane |
| Answer» D. Incline plane | |
| 181. |
Third class levers give a speed advantage because they... |
| A. | The move a load through a large distance than the effort moves the same time |
| B. | Moves an effort a further distance than the load |
| C. | Allow you to catch a fish quickly before you applied so much effort |
| D. | Allow you to pick up a heavy load quickly |
| Answer» B. Moves an effort a further distance than the load | |
| 182. |
Which of the following is not an inclined plane? |
| A. | Shovel |
| B. | Screw |
| C. | Ramp |
| D. | Wedge |
| Answer» B. Screw | |
| 183. |
A lever or pulley connected to a shaft |
| A. | wheel and axle |
| B. | block and tackle |
| C. | wheel barrow |
| D. | screw |
| Answer» B. block and tackle | |
| 184. |
Effort is |
| A. | An inclined plane wrapped around a rod |
| B. | A unit used for measuring force |
| C. | How far an object moves in a certain amount of time |
| D. | The force applied to a simple machine. |
| Answer» E. | |
| 185. |
What are examples of simple machines? |
| A. | Door knob and wheel barrow |
| B. | Bike and car |
| C. | Inclined plane and lever |
| D. | Hammer and nail |
| Answer» D. Hammer and nail | |
| 186. |
Which of the following is an example of a screw? |
| A. | Hammer |
| B. | Spiral staircase |
| C. | Axe |
| D. | Knife |
| Answer» C. Axe | |
| 187. |
An example of a lever is a... |
| A. | pulley |
| B. | Bicycle |
| C. | Scissors |
| D. | Screw |
| Answer» D. Screw | |
| 188. |
Super computer developed by Indian scientists |
| A. | Param |
| B. | Super301 |
| C. | Compaq Presario |
| D. | Cray YMP |
| Answer» B. Super301 | |
| 189. |
Ctrl, shift and alt are called ______ keys. |
| A. | adjustment |
| B. | function |
| C. | modifier |
| D. | alphanumeric |
| Answer» D. alphanumeric | |
| 190. |
A personal computer is designed to meet the computing needs of a(n) |
| A. | individual |
| B. | department |
| C. | company |
| D. | city |
| Answer» B. department | |
| 191. |
Which of the following is the valid domain name extension |
| A. | .edu |
| B. | .org |
| C. | .corn |
| D. | All of these |
| Answer» E. | |
| 192. |
What is me full form of VoIP? |
| A. | Voice of Internet Power |
| B. | Voice over Internet Protocol |
| C. | Voice on Internet Protocol |
| D. | Very optimized Internet Protocol |
| Answer» C. Voice on Internet Protocol | |
| 193. |
To reload a Web page, press the _____ button. |
| A. | Redo |
| B. | Reload |
| C. | Restore |
| D. | Refresh |
| Answer» E. | |
| 194. |
A Web site's main page is called its'? |
| A. | Home Page |
| B. | Browser page |
| C. | Search Page |
| D. | Bookmark |
| Answer» B. Browser page | |
| 195. |
Sending an e-mail is similar to |
| A. | picturing an event |
| B. | narrating a story |
| C. | writing a letter |
| D. | creating a drawing |
| Answer» D. creating a drawing | |
| 196. |
A communication network which is used by large organizations over regional, national or global area is called: |
| A. | LAN |
| B. | WAN |
| C. | MAN |
| D. | VAN |
| Answer» C. MAN | |
| 197. |
Computers connected to a LAN can |
| A. | run faster |
| B. | go on line |
| C. | share information and/or share peripheral equipment |
| D. | |
| Answer» D. E-mail | |
| 198. |
Personal computers can be connected together to form a |
| A. | server |
| B. | super computer |
| C. | network |
| D. | enterprise |
| Answer» D. enterprise | |
| 199. |
Which of the following is not an example of a hardware? |
| A. | Word |
| B. | Printer |
| C. | Monitor |
| D. | Mouse |
| Answer» B. Printer | |
| 200. |
What is a backup? |
| A. | Restoring the information backup |
| B. | An exact copy of a system's information |
| C. | The ability to get a system up and running in the event of a system crash or failure |
| D. | All of these |
| Answer» E. | |