Which of the following statements hold true for GPS?

1. It is a space-based radio navigation system.
2. It comprises satellites that emit navigational signals.
3. It is supported by control and ground monitoring stations.
4. All of these

Which of following type of sensor is used to measure the rate of change in velocity?

1. Force sensor
2. Position sensor
3. Acceleration sensor
4. Velocity sensor

Fill in the blanks:

1. Gear teeth are also known as cogs which has been derived from the term ……………. .
2. ……………. teeth refer to the interlocking of gear teeth to transmit motion and power effectively.
3. ……………. gears are one of the most commonly used gears to transmit power between parallel shafts, with teeth aligned parallel to the shaft axis.
4. In robotics, electric actuators are the commonly used actuators which convert electric energy into ……………. motion.
5. The controller serves as the ……………. of a robot which helps in processing and executes programmed commands.
6. In ……………. systems, the users select fan speeds ie., low, medium, high with the help of a regulator.
7. ……………. actuators are the actuators that generate motion by using pressurised fluid.
8. In robotics, ……………. control system uses technology and machines to complete the tasks.