Bio Mechanics & Robotics Test 2

Which of the following is a biological actuator that provides linear actuation by contracting under stimuli?

• Gear

• Spring

• Muscle

• Piston

Which of the following characteristics is NOT an advantage of biological muscles over artificial actuators?

• Ability to operate billions of cycles over a long period

• Superior fuel energy density compared to batteries

• Lack of ability to regenerate proteins

• Efficient cooling system

What is the primary advantage of pneumatic actuators in comparison to other actuation methods?

• High energy density

• Ability to generate high forces

• No need for a power source

• Extremely low cost

Which type of actuator provides the highest power density but requires trade-offs in terms of system response time?

• Pneumatic actuators

• Hydraulic actuators

• Electric motors

• Shape-memory alloys

Which type of actuator uses a permanent magnet fixed to a speaker's frame to generate motion?

• Piezoelectric motor

• Stepper motor

• Voice coil motor

• Hydraulic motor

property of pneumatic actuators allows them to transfer energy to many independently actuated degrees of freedom

• High energy density

• Stiffness

• Compressed air tanks

• One-to-Many systems

Which of the following statements is not true for biosensors

• Biosensors convert a biological signal into an electrical signal

• Biosensors are used to determine the concentration of substances and other parameters of biological interest even where they do not utilize a biological system directly

• Biosensors utilize the different biological systems such as enzymes, whole cell metabolism, ligand binding and the antibody-antigen reaction

• Biosensor consists of a vessel, or series of vessels, used to perform a desired conversion by enzymic means

A preferred electrode for measuring EMG

• surface electrodes

• needle electrodes

• scalp electrodes

• Regaled electrodes

Of the following sensors is also known as mass sensitive biosensor

• Piezoelectric

• Calorimetric

• Conductometric

• All of the above

The following is a bio microarray device

• Biosensor

• Biochip

• Both a and b

• None of the above