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Heat Transfer MCQ Questions & Answers | Chemical Engineering

Learn Heat Transfer MCQ questions & answers are available for a Chemical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Heat Transfer MCQ question is the important chapter for a Chemical Engineering and GATE students. Page-8 section-5

Each section contains 100 MCQs on Heat Transfer .
71
The steam ejector is used to
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Answer & Solution
Answer: Option B
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72
Thickness of thermal boundary layer is more compared to that of hydrodynamic boundary layer, when the value of Prandtl number is
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Answer: Option B
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73
Heat transfer by conduction in the turbulent core of a fluid flowing through a heated pipe is negligible, if the value of Prandtl number is
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Answer: Option C
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74
For gases, the thermal conductivity increases with temperature rise. For liquids, with increase in concentration, its thermal conductivity generally
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Answer: Option A
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75
In a single evaporator system, the steam economy __________ by creating vacuum in the evaporator.
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Answer: Option A
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76
One kilogram of water at 0°C is changed to superheated steam of one atm pressure and 300°C. The major heat consumption in the process will be to
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Answer: Option B
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77
jH factor for heat transfer is not a function of the __________ number.
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Answer: Option D
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78
Nusselt number (for forced convection heat transfer) is a function of the __________ number.
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Answer: Option C
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79
Prandtl number is the reciprocal of
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Answer: Option A
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80
Bulk of the convective heat transfer resistance from a hot tube surface to the fluid flowing in it, is
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Answer: Option C
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