Hello students welcome to msbte news in this article we have provided **22510 Heat Transfer Mcq Questions and Answer**. This Heat Transfer Mcq with Answers is ideal for Students who are in Third Year of Diploma in Chemical Engineering courses. By referring Heat Transfer Mcq pdf for Diploma you will get to know about the paper pattern of Msbte Mcq Winter 2021 exams.

with this Mcq on Heat Transfer Chemical Engineering 3rd year students can practice for their upcoming Winter 2021 exams. In this Heat Transfer engineering objective questions we have selected 30 important questions from previous year papers. We have Given Heat Transfer Mcq with Answers Pdf Download Link Below Feel Free to Download and Learn.

## 22510 Heat Transfer Mcq Questions and Answer

**1. Which of the following has maximum thermal conductivity at the same temperature?**

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**2. A concentric double pipe heat exchanger as compared to the shell and tube heat exchanger for the same heat load requires**

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**3. Maximum water velocity in tubes of a 1-2 shell and tube heat exchanger may be around __________ metres/second.**

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**4. For the same heat load and mass flow rate in the tube side of a shell and tube heat exchanger, one may use multipass on the tube side, because it**

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**5. A tank painted with which of the following coloured paints, would heat up maximum by radiation from sun?**

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**6. Walls of a cubical oven are of thickness l, and they are made of material of thermal conductivity k. The temperature inside the oven is 100°C and the inside heat transfer co-efficient is ‘3k/l’. If the wall temperature on the outside is held at 25°C, what is the inside wall temperature in degree centigrade?**

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**7. Three materials A, B and C of equal thickness and of thermal conductivity of 20, 40 & 60 kcal/hr. m. °C respectively are joined together. The temperature outside of A and C are 30°C and 100°C respectively. The interface between B and C will be at a temperature of __________ °C.**

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**8. A graph between __________ is called Wilson plot.**

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**The thermal radiation emitted by a body is proportional to Tn, where T is its absolute temperature. The value of ‘n’ is exactly 4 for**

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**10. For a laminar flow of fluid in a circular tube, ‘h1’ is the convective heat transfer co-efficient at velocity ‘V1’. If the velocity is reduced by half and assuming the fluid properties are constant, the new convective heat transfer co-efficient is**

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**Pick out the correct statement.**

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**12. Evaporation by thermo compression results in the**

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**13. Fouling factor for a heat exchanger is given by (where, U1 = heat transfer co-efficient of dirty surface U2 = heat transfer co-efficient of clean surface).**

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**14. Use of transverse baffles in a shell and tube heat exchanger is done to increase the**

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**All analogy equations connecting friction factor and heat transfer co-efficient apply only to**

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**16. Which of the following situations can be approximated to a steady state heat transfer system?**

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**17. Reason for operating an evaporator in multiple effects is to secure**

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**Heat transfer by __________ may not necessarily require the presence of a medium.**

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**19. Fluid motion in the natural convection heat transfer between a solid surface and a fluid in contact with it, results from the**

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**Nusselt number is the ratio of the**

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**21. Critical value of the __________ number governs the transition from laminar to turbulent flow in free convection heat transfer.**

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**22. Prandtl number is the reciprocal of**

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**23. In case of parallel flow heat exchanger, the lowest temperature theoretically attainable by the hot fluid is __________ the outlet temperature of the cold fluid.**

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**24. Evaporator tubes are generally**

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**25. Thermal conductivity of a gas at low density, __________ with increase in temperature.**

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**Which of the following is the most widely used heat insulating material for pipelines carrying steam?**

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**27. The interchange factor for radiation heat transfer from surface ‘x’ to surface ‘y’ in case of an infinite parallel planes with emissivities εx & εy is given by**

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**28. If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface temperature follows __________ law.**

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**29. With increase in temperature, the thermal conductivity of a gas**

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**30. Grashoff number is given by**

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## 22510 Heat Transfer Mcq with Answers Pdf

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