Day: February 16, 2018

What is Mechanical Engineering? Mechanical Engineering is the branch of engineering which deals with the designing, constructing , maintaining and manufacturing various mechanical systems. What is the difference between machine and engine? EngineĀ convertsĀ heat energy to Mechanical Energy but machineĀ convertsĀ all formsĀ of energy to mechanical energy except heat energy. What is viscosity?......

What is Refrigeration ? What is the unit of refrigeration ? Refrigeration is the process where heat is transferred from low temperature to high temperature medium with the help of external work. Itā€™s unit is ton of refrigeration. What is COP ? COP = Co-efficient of Performance . It is......

What is fluid ? What isĀ fluid mechanicsĀ ? A fluid is a substance which always responses to shear stress and doesnā€™t have any definite shape. It may or may not have any definite volume. How to determineĀ the characteristics of fluidĀ flowĀ ? By the values of Reynolds Number. What are laminar and turbulent......

What is the basic difference in Vapor compression and Vapor absorption Refrigeration System ? These two refrigeration systems are different in power consumption, COP, Mechanical parts, Performance while load variation etc. Which has higher COPĀ ?Ā Vapor compression or Vapor absorption ? Explain . Vapor Compression has the higher COP. Generally the......

What is the difference between turbocharger and supercharger ? Turbocharger and Supercharger both have the same function. These devices are blowers which supplies extra air to the engine. As a result engine gets useful amount of oxygen to produce a proper ignition. The main difference between the devices is that......