This set of Heat Transfer Multiple Choice Questions & Answers (MCQs) focuses on “Lump System Analysis”. 1. According to lumped system analysis, solid possesses thermal conductivity that is a) Infinitely large b) Infinitely small c) Moderate d) 50% small 2. The temperature and rate of heat conduction are undoubtedly dependent on a) Time coordinates b) … Read more
This set of Heat Transfer Multiple Choice Questions & Answers (MCQs) focuses on “Biot Number”. 1. A gold ring (k = 65 W/m K) measuring 15 * 10 * 60 cm is exposed to a surface where h = 11.5 W/m2 K. Find the value of biot number a) 0.68 b) 0.58 c) 0.48 d) … Read more
This set of Heat Transfer Multiple Choice Questions & Answers focuses on “Transient Heat Conduction In Solids With Finite Conduction”. 1. Diagram shows transient heat conduction in an infinite plane wall. Identify the correct boundary condition in transient heat conduction in solids with finite conduction a) t = t i at T = 0 b) … Read more
This set of Heat Transfer MCQs focuses on “Transient Heat Conduction Solids With Infinite Thermal Conductivity”. 1. A flat wall of fire clay, 50 cm thick and initially at 25 degree Celsius, has one of its faces suddenly exposed to a hot gas at 950 degree Celsius. If the heat transfer coefficient on the hot … Read more
This set of Heat Transfer Multiple Choice Questions & Answers (MCQs) focuses on “Response of a Thermocouple”. 1. “The response of a thermocouple is defined as the time required for the thermocouple to reach the surrounding temperature when it is exposed to it”. a) True b) False 2. The sensitivity of thermocouple is defined as … Read more
This set of Heat Transfer Multiple Choice Questions & Answers (MCQs) focuses on “Time Constant”. 1. The time constant of a thermocouple is the time taken to a) Minimum time taken to record a temperature reading b) Attain 50% of initial temperature difference c) Attain the final value to be measured d) Attain 63.2% of … Read more
This set of Heat Transfer Multiple Choice Questions & Answers (MCQs) focuses on “Thermometric Well”. 1. The convective coefficient in boilers and condenser is a) Low b) High c) Moderate d) Depends on time and temperature 2. In thermometer, heat is dissipated from which end? a) Back side b) Front side c) Middle d) No … Read more
This set of Heat Transfer quiz focuses on “Heat Flow Through Triangular And Parabolic Fins”. 1. Which fin yields the maximum heat flow per unit weight? a) Straight triangular fin b) Curved triangular fin c) Parabolic fin d) Hyperbolic fin 2. Heat dissipation by every segment of the fin is a) Sometimes same b) Same … Read more
This set of Heat Transfer Multiple Choice Questions & Answers (MCQs) focuses on “Design Considerations For Fins”. 1. The following factors need consideration for the optimum design of fins (i) Cost (ii) Space considerations (iii) Weight considerations Choose the correct option a) i only b) i and ii only c) i, ii and iii d) … Read more
This set of Heat Transfer test focuses on “Fin Performance”. 1. The utility of fin in dissipating a given quantity of heat is generally assessed on the basic of how many parameters? a) 1 b) 2 c) 3 d) 4 2. A copper steel rod (k = 55 W/m degree) has been attached to a … Read more
