Heat Transfer Questions

Q.  Heat transfer takes place as per ________________?

a. zeroth law of thermodynamics
b. first law of thermodynamic
c. second law of the thermodynamics
d. Kirchoff’s law E. Stefan’s law


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MCQs:  Total heat is the heat required to__________________?
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MCQs:  Thermal conductivity of water at 20°C is of the order of_____________________?
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MCQs:  The time constant of a thermocouple is_______________?
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MCQs:  In heat transfer, conductance equals conductivity (kcal/hr/sqm/°C/cm) divided by ________________?
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MCQs:  Which of the following is expected to have highest thermal conductivity_______________?
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MCQs:  Thermal conductivity of a material may be defined as the________________?
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MCQs:  Heat is transferred by all three modes of transfer, viz, conduction, convection and radiation in _________________?
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MCQs:  The ratio of heat flow Q1/Q2 from two walls of same thickness having their thermal conductivities as ATj – 2K2 will be ________________?
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MCQs:  Thermal diffusivity of a substance is ____________________?
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MCQs:  According to Prevost theory of heat exchange ___________________?
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MCQs:  Thermal conductivity of glass-wool varies from sample to sample because of variation in ________________ ?
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MCQs:  Which of the following has least value of conductivity_________________?
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MCQs:  Heat flows from one body to other when they have_________________?
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MCQs:  The amount of heat flow through a body by conduction is_______________?
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MCQs:  Which of the following has maximum value of thermal conductivity________________?
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MCQs:  Heat transfer by radiation mainly depends upon___________________?
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MCQs:  Moisture would find its way into insulation by vapour pressure unless it is prevented by __________________ ?
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MCQs:  Thermal diffusivity is ____________________?
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MCQs:  Thermal conductivity of wood depends on_______________?
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MCQs:  Film coefficient is defined as Inside diameter of tube________________?
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