Mechanical Engineering

What is combustion?

• An increase in the density of something.

• The transmission of heat, electricity or sound.

• A reaction of a substance with oxygen to give heat and light.

• A form of energy transferred by a difference in temperature

What is fulcrum?

• The pivot about which a lever turns.

• The resistance when a body is moved in contact with another.

• Device that removes something from what passes through it.

• The amount of fluid thar flows in a given time.

What is the definitions of hydraulics?

• A unit of electical energy.

• Study of the mechanics of fluids.

• A chamber within which a piston moves.

• Loop of flexible material between rotating shafts or pulleys.

Which of these law is the first law of thermodynamics?

• The ratio of the force exerted by a machine to the force applied to it.

• The act of making something (a product) from raw materials.

• Mechanics concerned with forces that causes motions of bodies.

• The fundamental principle of physics that the total energy of an isolated system is constant despite internal changes.

What is Mechanical Engineering?

• Discipline that deals with the design, construction, adn maintenance of the physical an naturally built enviroment.

• The branch of engineering that deals with the technology of electricity.

• The branch of engineering that deals with the design and construction and operation of machinery.

• The branch of engineering that deals with chemical production and the manufacture of products through chimical processes.

What is a potential energy?

• Mechanical energy that a body has by virtue of its position.

• The mechanical energy that a body has by virtue of motion.

• The capacity of a physical system to do work.

• Energy transmitted in the form of rays or waves or particles.

What is thermodynamics?

• Not of natural origin; prepared or made artificially.

• (Physics) force that produces strain on a physical body.

• A rate at which something happens.

• Physics concerned with heat and other form of energy.

What is quality control?

• Impelling or impelled forward.

• The exertion of force to a surface.

• Maintenance of standards of quality of manufactured goods.

• A mechanical device that has a plunging or thrustin motion.

What is the definition of resilience?

• Tank used for collecting and sotring a liquid.

• Ability of a material to return to its original shape.

• Tooth on the rim of gear wheel.

• Defromation of a body under the action of applied forces.

Which of these is the correct definition for radiation?

• A device that moves fluid or gas by pressure or suction.

• The quality of being dependable.

• Energy transmitted in the form of rays or waves or particles.

• The quality of being dependable.