Articles Posted in the " Heat Transfer " Category

  • HEAT TRANSFER PTU PAPER SOLUTION—–SECTION–B

    HEAT TRANSFER PTU PAPER SOLUTION—–SECTION–B

    HEAT TRANSFER PTU PAPER SOLUTION—–SECTION–B SECTION-B  Q2. Explain different phases of flow boiling. ANS: Flow boiling is much more complex than nucleate boiling. Here it will be a two phase heat transfer. Consider a vertical tube as shown in figure. Sub-cooled liquid is entering from below. As it moves upwards, getting heat from the tube […]



  • HEAT TRANSFER-MECHANICAL ENGINEERING- QUESTION BANK ON PTU PATTERN — RADIATION

    HEAT TRANSFER-MECHANICAL ENGINEERING- QUESTION BANK ON PTU PATTERN — RADIATION

    HEAT TRANSFER–MECHANICAL ENGINEERING- QUESTION BANK ON PTU PATTERN — RADIATION RADIATION 1 MARK OBJECTIVE QUESTIONS According to Kirchoff’s law, Radiated heat is proportional to the fourth power of absolute temperature Emissivity is equal t absorbtivity Emissive power depends on absolute temperature None Ans: (b) All the radiations from a black body are Reflected Transmitted Partly […]






  • HEAT TRANSFER  PTU PAPER SOLUTION

    HEAT TRANSFER PTU PAPER SOLUTION

    HEAT TRANSFER  PTU PAPER SOLUTION HEAT TRANSFER BTME – 602 PAPER ID [A2362] SECTION—A Q1. Write briefly: (a) What is conduction shape factor? ANS: Conduction shape factor will be there for a plain wall, cylindrical body and a spherical body We know In Convection          q. =h A dT  (i) For a plain wall In […]


  • HEAT TRANSFER MCQ —INTRODUCTION TO HEAT TRANSFER

    HEAT TRANSFER MCQ —INTRODUCTION TO HEAT TRANSFER

      HEAT TRANSFER  MCQ—INTRODUCTION TO HEAT TRANSFER  QUESTION BANK ON HEAT TRANSFER INTRODUCTION Multiple Choice Questions (mcq) Conduction is most prominent in (a) Fluids (b) Solids (c) Gases (a) None (Ans:b) Convection is most prominent in (a) Fluids (b) Solids (c) Gases (d) None (Ans:a)  Driving force in heat transfer is (a) Temperature gradient (b) […]