Robotics Final Review

Which is an example of preventative maintenance?

• Repairing a broken belt chain

• Greasing gears yearly

• Swapping out a worn gear that no longer works

• Replacing a burnt out power source

Answer explanation

Preventative Maintenance is done BEFORE anything breaks. It's done to replace, repair, or upkeep parts at set times before they are predicted to break down.

According to the right-hand rule, which finger represents the X-axis?

• Thumb

• Index finger

• Middle finger

• Ring finger

What is the number of degrees of freedom (DOF) for this robot?

• A) 3

• B) 4

• C) 5

• D) 6

What is the number for this robot's Degrees of Freedom (DOF)?

• 3

• 5

• 8

• 7

If gear A has 60 teeth and is spinning at 7 rpm, what is the rpm of gear B which has 30 teeth?

• 14 rpm

• 28 rpm

• 7 rpm

• 3.5 rpm

Answer explanation

60/30 = 2
7 * 2 = 14

What will the following program output based on the given conditions and values?

• blue

• red

• teal

• purple

• green

Answer explanation

num1 = 16

num2 = 8

The first if/elseif/else statement catches with the condition (num2<num1) printing "red" but then there is a SECOND if/else catches with the "else" condition and prints "green" as well.

Why do we use pseudocode in programming?

• To directly compile code

• To make the code easier to plan and understand

• To increase the processing speed of the computer

• To create graphical user interfaces

What shape in a programming flowchart represents a decision?

• Diamond

• Parallelogram

• Rectangle

• Oval

Which shape in a programming flowchart is used to represent input or output?

• Diamond

• Parallelogram

• Rectangle

• Oval

What is the shape used to denote processing in a programming flowchart?

• Diamond

• Parallelogram

• Rectangle

• Oval