Mechanical Engineering and General Knowledge Quiz

Which law states that pressure applied to a confined fluid is transmitted undiminished?

• Pascal's Law

• Boyle's Law

• Newton's Law

• Bernoulli's Principle

What type of heat transfer occurs in a vacuum?

• Conduction

• Convection

• Radiation

• All of the above

Which process improves the hardness and wear resistance of steel?

• Annealing

• Tempering

• Carburizing

• Normalizing

What is the primary function of a flywheel?

• Store energy

• Increase torque

• Decrease vibration

• Improve fuel efficiency

Which refrigerant is commonly used in air conditioning systems?

• Ammonia

• R-134a

• Propane

• Carbon dioxide

What is the main purpose of a heat exchanger?

• Increase temperature

• Exchange heat between fluids

• Reduce friction

• Increase pressure

Which material is commonly used in bearings due to its low friction?

• Bronze

• Cast Iron

• Brass

• Aluminum

Which thermodynamic cycle is used in steam power plants?

• Otto Cycle

• Rankine Cycle

• Diesel Cycle

• Brayton Cycle

What does the term 'creep' refer to in materials?

• Sudden fracture

• Slow deformation over time

• Brittle failure

• Elastic recovery

Which type of pump is used for pumping highly viscous fluids?

• Centrifugal Pump

• Gear Pump

• Jet Pump

• Diaphragm Pump