CRS CRS Robotics Hardware & Mechanical Systems

Question 1

What type of actuator is most commonly used in industrial robotic joints?

Accepted Answer

Electric servo motor

Answer

Hydraulic actuator

Answer

Pneumatic actuator

Answer

Stepper motor

Question 2

Which component of a robotic arm directly holds and manipulates workpieces?

Accepted Answer

End effector

Answer

Base

Answer

Wrist

Answer

Elbow joint

Question 3

What is the primary function of a harmonic drive in robotic joints?

Accepted Answer

High gear reduction with zero backlash

Answer

Power generation

Answer

Vibration dampening

Answer

Torque limiting

Question 4

Which encoder type retains absolute position information even after a power loss?

Accepted Answer

Absolute encoder

Answer

Incremental encoder

Answer

Resolver

Answer

Tachometer

Question 5

What is the Denavit-Hartenberg (DH) convention used for in robotics?

Accepted Answer

Systematic description of robot kinematics

Answer

Safety standards compliance

Answer

Motor sizing calculations

Answer

Gripper design guidelines

Question 6

Which robot configuration uses three mutually perpendicular linear axes?

Accepted Answer

Cartesian/Gantry

Answer

SCARA

Answer

Articulated 6-axis

Answer

Delta