Robotics Mock 2024

Question 1 of 50

Which sensor would best tell a robot that it has bumped into a wall?

Question 2 of 50

A thermistor is a sensor whose resistance changes with

Question 3 of 50

Which type of sensor is best for detecting whether a button has been pressed?

Question 4 of 50

A solderless breadboard is mainly used to

Question 5 of 50

A potentiometer used to dim a lamp works as a

Question 6 of 50

In the Arduino IDE, the tick (checkmark) button

Question 7 of 50

The Arduino IDE's Serial Monitor is used to

Question 8 of 50

Which type of manufacturing removes material from a solid block, as a CNC mill does?

Question 9 of 50

In a flowchart, the start and the end of an algorithm are shown with

Question 10 of 50

In the input–process–output model of a line-following robot, the light sensor readings are the

Question 11 of 50

Pseudocode is

Question 12 of 50

An If-Then-Else block differs from an If-Then block because it

Question 13 of 50

A rack and pinion converts

Question 14 of 50

For moving over rough, uneven ground, which drive is usually better than small wheels?

Question 15 of 50

Which of these is a humanoid robot?

Question 16 of 50

Robots are especially useful for tasks that are

Question 17 of 50

The body or frame that holds a robot's parts together is the

Question 18 of 50

A robot gripper with two fingers that close together is a type of

Question 19 of 50

A DC motor's direction can be reversed by

Question 20 of 50

In a thermostat-controlled heater, the "set point" is the

Question 21 of 50

In Arduino code, which function pauses the program for a number of milliseconds?

Question 22 of 50

Which Arduino function reads whether a digital input pin is HIGH or LOW?

Question 23 of 50

An emergency stop button on a robot should

Question 24 of 50

What is the output of an AND gate with inputs 1 and 0?

Question 25 of 50

In a finite-state machine, a change from one state to another is called a

Question 26 of 50

Which of these is an active electronic component?

Question 27 of 50

In analogue circuits, an operational amplifier (op-amp) is mainly used to

Question 28 of 50

A dull, grainy solder joint that may not conduct properly is called a

Question 29 of 50

What is the value of A·Ā (A AND NOT A)?

Question 30 of 50

A Karnaugh map is used to

Question 31 of 50

How many rows does the truth table of a logic circuit with 3 inputs have?

Question 32 of 50

FDM 3D printing builds parts by

Question 33 of 50

The corners of a 3D print lift off the print bed as the plastic cools. This fault is called

Question 34 of 50

A robot must keep driving forward until its distance sensor reads less than 10 cm. Which block-based structure fits best?

Question 35 of 50

Which change makes a robot less likely to tip over?

Question 36 of 50

Which gear pair turns the direction of rotation through 90°?

Question 37 of 50

A cam and follower changes rotary motion into

Question 38 of 50

A robot moves 12 m east in 8 s. What is its average velocity?

Question 39 of 50

A robot with larger wheels travels further for each wheel turn than one with smaller wheels because

Question 40 of 50

When troubleshooting a robot, problems are usually grouped as

Question 41 of 50

A machine that a person controls entirely with a joystick, with no decision-making of its own, is best described as

Question 42 of 50

Which sensor measures tilt and orientation in a balancing robot?

Question 43 of 50

A limit switch is used to

Question 44 of 50

A PIR sensor detects

Question 45 of 50

Gears that reduce speed increase the

Question 46 of 50

On–off (bang-bang) control switches an output

Question 47 of 50

Lithium-polymer (LiPo) batteries should be charged

Question 48 of 50

Differential drive robots steer by

Question 49 of 50

A pulley system with a belt transfers motion between

Question 50 of 50

A robot that is controlled entirely by a human operator from a distance is