Mechanical Engineering 2024 with 100 correct questions and answers

Mechanical Engineering - correct answer The designing, building, and maintenance of mechanical and fluid systems. Mechanical engineers specialize in - correct answer Engine design, Heating/air conditioning, and power systems. Mechanical engineers typically have bachelor's degrees in - correct answer Fundamentals of engineering, statics and dynamics, calculus, robotics, mechanics, thermodynamics, computer and design courses. ASME - correct answer American Society of Mechanical Engineers SAE - correct answer Society of Automobile engineers ASHRAE - correct answer American Society of Heating, Refrigerating, and air conditioning engineers. NAPE - correct answer National Association of Power Engineers. Force - correct answer Moves an object, required to accomplish work. Work - correct answer Force is applied, and movement occurs. Power - correct answer Rate at which work is performed Energy - correct answer Mechanical tools require energy source to do work. Types of energy - correct answer Potential energy, kinetic energy Mechanics - correct answer The study of forces and motion on physical objects. Statics - correct answer Study of objects at rest. How loads are applied to stationary objects. Dynamics - correct answer Study the motion of objects, effects of forces on the motion of objects. Mechanical energy - correct answer Energy in motion that uses mechanical devices. Transmission and control devices - correct answer Used to increase speed or force, Change the direction of force, stop transmission of power. Gears - correct answer Transmit rotational force against another gear or device. Clutches - correct answer Used to connect 2 rotational devices. Allows adjustment of the mechanical advantage. Linkages - correct answer Rigid components that have series of joints that combine to form a closed chain. Used to transfer energy from one power source to another. Shafts - correct answer Cylindrical pieces used to transfer rotary motion. Connected to gears, pulleys, or wheels. Bearings - correct answer Metal pieces, such as balls. Transfer energy from shaft to wheel, and reduce friction. Fluid power systems - correct answer Transmit power by using power of confined fluids. Can generate large amount of force. Generally have few moving parts. Easy to manipulate Hydraulic systems - correct answer Uses liquids like oils or water. Best when a large amount of force is needed. Capable of providing large amounts of force with small output devices. Pneumatic systems - correct answer Uses air. Operates at higher speeds. Not a fire hazard. Power source of fluid systems - correct answer Pressure Devices used in fluid power systems - correct answer Valves, Pipes, tubes, hoses. Output devices in fluid systems - correct answer Actuators convert fluid power to rotary power Cylinders used to convert to linear m