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SHORT QUESTION ANSWERS-SPRINGS CLASS NOTES FOR MECHANICAL ENGINEERING

  SHORT QUESTION ANSWERS -SPRINGS CLASS NOTES FOR MECHANICAL ENGINEERING Spring is an important part in almost every machinery. These springs perform different functions in different applications. These absorb shocks in vehicles running on uneven roads. These store energy in toys and circuit breakers. These give cushion effect in sofas and cars. Springs are of…

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INTERVIEW SHORT QUESTION ANSWERS-LOADS

    INTERVIEW SHORT QUESTION ANSWERS- LOADS Loads are forces. There are different sources of forces. Weight, wind and thermal are some examples. These act differently. There are gradually, suddenly applied and impact loads. All these have different affects. 1. What are various types of forces? Two types of forces: Constant magnitude and variable magnitude….

HYDRODYNAMIC BOUNDARY LAYER QUESTION ANSWERS 

HYDRODYNAMIC  BOUNDARY LAYER QUESTION ANSWERS  It is a 3-dimensional space over the flat plate. There is a velocity variation in it. There is a zero velocity t the plate surface. It has free velocity at the boundary. Q. Define velocity and thermal boundary layers. Draw relevant sketches. Fig. Velocity Boundary Layer The Velocity boundary is…

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QUESTION ANSWERS-EXPANSION VALVES & CONTROLS

QUESTION ANSWERS- EXPANSION VALVES & CONTROLS  Question answers make the concept absolutely clear. The basic principles become easily applied to practical applications.  List the various types of expansion devices with their practical applications. Various types of expansion devices are 1.Capillary Tube This tube is very small diameter ( fraction of a mm) tube with no…

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INTERVIEW SHORT QUESTION ANSWERS-CONDENSATION

     Interview Short Question Answers-Condensation   Q. What is condensation heat transfer? Ans. The conversion of vapor into liquid at saturation on cooling is called condensation. In this Tsur is less than Tsat. On change of phase it loses latent heat which is quite high. Thus heat flows to the cold surface. Q. What are the…