WorksheetsEngineering Concepts and Principles: Praxis 5053
Total questions: 15
Worksheet time: 8mins
What is the unit of work in the International System of Units (SI)?
Newton
Joule
Watt
Pascal
Which law states that the current through a conductor between two points is directly proportional to the voltage across the two points?
Pascal's Principle
Ohm's Law
Newton's Law
Hooke's Law
What does a flip flop store in digital electronics?
A byte
A single bit
A word
A nibble
Which of the following best describes a series circuit?
Components are connected in parallel branches
Components are connected end-to-end in a single path
Only one component is present
Components are not connected
What is the formula for work?
Work = mass × acceleration
Work = force × distance
Work = power × time
Work = energy ÷ time
Which term refers to the ability of a material to withstand pulling forces?
Compression
Tension
Tensile strength
Torque
Which device is used to measure unknown electrical resistance by balancing two legs of a bridge circuit?
Buck converter
Wheatstone bridge
PID controller
Actuator
Which of the following is an application of Pascal's Principle?
Hydraulic lift
Electric motor
CNC machining
Gantt chart
If a project manager wants to determine the minimum time required to complete a project, which project management tool should they analyze?
Gantt chart
Critical path
Lean manufacturing
Control loop
A control feedback loop is essential in which of the following systems?
Open-loop systems
Closed-loop systems
Static systems
Manual systems
Which of the following best describes the function of a buck converter?
Converts AC to DC
Steps down DC voltage
Steps up DC voltage
Stores electrical energy
A mechanical system requires a high mechanical advantage. Which of the following should be increased to achieve this?
Input force
Output force
Ratio of output force to input force
Rotational speed
Given a control system that must maintain performance even if one component fails, which concept is most important?
Bandwidth
Redundancy
Pulse width modulation
Thermal expansion
A manufacturing company wants to reduce waste and improve efficiency in its production process. Which methodology should it implement, and why?
Series circuit, because it increases current
Lean manufacturing, because it focuses on minimizing waste
Inverse kinematics, because it optimizes movement
Fault tolerance, because it prevents errors
A robotic arm must position its end effector at a specific point in space. Which concept is used to calculate the required joint angles, and what is the main challenge associated with it?
Inverse kinematics; multiple possible solutions and complexity
Pascal's Principle; pressure distribution
Gantt chart; scheduling
Buck converter; voltage regulation
