Articles Posted in the " Heat Transfer " Category

  • MULTIPLE QUESTION ANSWERS ON HEAT TRANSFER — Sheet 2

    MULTIPLE QUESTION ANSWERS ON HEAT TRANSFER — Sheet 2

    MULTIPLE QUESTION ANSWERS ON HEAT TRANSFER — Sheet 2–   Fin increases the rate of heat transfer by increasing the(a) Temperature difference, (b) Surface area, (c) Film coefficient (d)None     Ans: (b) The efficiency of a fin of infinite length is (a)Infinity, (b) 100 %, (c) zero, (d) None,   (c) In case of […]


  • MULTIPLE QUESTION ANSWERS ON HEAT TRANSFER — Sheet 1

    MULTIPLE QUESTION ANSWERS ON HEAT TRANSFER — Sheet 1

      MULTIPLE QUESTION ANSWERS ON HEAT TRANSFER — Sheet 1 During conduction of heat, there is a physical motion of the   (a) Crystal lattice, (b) Main body, (c) Crystal lattice as well as main body, (d) None Conduction heat transfer takes place (a) In solids only, (b) In liquids only, (c) In gases only, […]




  • *Multiple Choice Questions (mcq) on Heat Transfer —-Conduction

    *Multiple Choice Questions (mcq) on Heat Transfer —-Conduction

    Multiple Choice Questions (mcq) on Heat Transfer —-Conduction Thermal conductivity of metals with addition of alloying elements (a) Increases (b) Decreases (c) Remains constant (d) None (Ans: b) Thermal conductivity of metals with increase of hardness (a) Increases (b) Decreases (c) Remains constant (d) None (Ans: b) Thermal conductivity of a material with dampness (a) Increases […]


  • *Multiple Choice Questions (mcq) on Heat Transfer —-Conduction

    *Multiple Choice Questions (mcq) on Heat Transfer —-Conduction

    Multiple Choice Questions (mcq) on Heat Transfer —Conduction Poisson’ equation in heat transfer deals with (a) Steady state of heat transfer (b) Unsteady state of heat transfer (c) Steady as well as unsteady states of heat transfer (d) None (Ans: a) Laplace equation in heat transfer deals with (a) Steady state of heat transfer (b) Unsteady […]


  • *Multiple Choice Questions (mcq) on Heat Transfer—-Basic Heat Transfer 2

    *Multiple Choice Questions (mcq) on Heat Transfer—-Basic Heat Transfer 2

    Multiple Choice Questions (mcq) on Heat Transfer—-Basic Heat Transfer 2 Critical radius of insulation refers to (a) Minimum rate of heat transfer (b) Maximum rate of heat transfer (c) Constant rate of heat transfer (d) None (Ans: b)   Critical radius of insulation for a cylinder is equal to (a) 3k/ho (b) 2k/ho (c) 1k/ho […]


  • *Multiple Choice Questions (mcq) on Heat Transfer —-Basic Heat Transfer 1

    *Multiple Choice Questions (mcq) on Heat Transfer —-Basic Heat Transfer 1

    Multiple Choice Questions (mcq) on Heat Transfer —-Basic Heat Transfer 1 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)   Radiation is most prominent in (a) Fluids (b)Solids (a) Gases (d) None (Ans:d)   […]