True or false thermal energy moves from a colder region of an object to a hotter region

Q: When heat energy transfers through a liquid or gas, what is it called? Select one: a. Conduction b.…

A: Convection is the method of heat exchange by the bulk development of particles inside liquids…

Q: Two fast-dancing people supply more energy to a room than a 1-kW electric resistance heater.

A: As per an experiment ‘Thermodynamics aspects of Biological systems’, it has been observed that a…

Q: After a lengthy period of driving, you can feel how warm the engine is by placing your palm on or…

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Q: What is the internal energy of the system and how can it be changed?

A: Explanation  Internal Energy : Internal energy of the system is the total energy contained within…

Q: Substances with higher specific heats will increase in temperature faster than substances with lower…

A: Specific heat of a substance :  It is defined as  the net quantity of heat required to raise the…

Q: 1- State which of the following statements are TRUE? a) Compared to forward curved blades, backward…

A: Given:

Q: When heat is added to a system, the amount of heat added can   increase the temperature.…

A: Different types of thermal processes are: Isobaric process (constant pressure) Isovolumetric…

Q: What is the Kelvin equivalent of 70 0F.

A: Given data: The temperature is TF = 70 oF.

Q: The Second Law of Thermodynamics is about the quality of energy. True O False

A: According to the study second law of thermodynamics different energy forms have different qualities.…

Q: In fluid power systems, ____________________ transmit fluid from one component to the other a.…

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Q: Adiabatic process takes place so fast that there is no time for heat to be transferred. True O False

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Q: When the diameter of cylinder is very small compared to its length, it can be treated as an…

A: As per given question  When the diameter of cylinder is very small compared to its length, it can be…

Q: Total energy of insulated system       a)none       b)always increases       c)may increase or…

A: Insulated system: It is a system which does not allow heat transfer between System and surrounding…

Q: If a closed system undergoes an isochoric process, the thermodynamic work for this process is always…

A: Q1. It is required to determine if a if a closed system undergoes an isochoric process whether the…

Q: The intensity of pressure at a point in a static fluid is equal in all directions is known as O…

A: It is required to identify correct law of fluid mechanics

Q: t = two hundred fifty degrees; v = 54.2 *10-3 m3/kg superheated?

A: Superheated steam is a very high-temperature vapour produced by heating saturated steam produced…

Q: Does not change when fluid cannot be compressed. density mass flow

A: Since the volume of incompressible fluid does not change, therefore density of fluid remains…

Q: heat engine is a device able to transform work into heat  true or false

A:

Q: If energy cannot be lost why does a ball stop move

A: If energy cannot be lost why does a ball stop move

Q: 23. The heat engine shown below is violate the first law of thermodynamic. * Thermal energy…

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Q: Mathematical expressions of power output ration with power input? A Energy Efficiency (B) Capacity…

A: Mathematical expression of power output ratio with power input is called energy efficiency.

Q: A force may be defined as the action of one body on another body, which changes or tends to change…

A: A force is defined as action of one body on another body and it's tends to change the motion of it…

Q: Which is a unit for power? (a) Btu (b) kWh (c) kcal (d) hph (e) kW

A:

Q: Which of the following is not a property common to all objects? a. Length c. Color b. Layer d.…

A: From the given, the properties that are common to all objects are: Color.Layer.Lineweight. Therefore…

Q: Which of the following statement(s) is(are) correct? a. For closed system operating adiabatically,…

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Q: When using a specific mass of an ideal gas with a specific pressure inversely proportional to the…

A: Ideal gas equation is given by, PV = mRT where, P = absolute pressure of gas V = volume of gas m =…

Q: How much more time(minutes) needs to pass to reach 47°C.

A:

Q: QUESTION TWO  (a) Consider the process of heating water on top of an electric range. i. What are the…

A: We are suppose to solve only one question. Please post other question as a separate question.

Q: The intensity of thermal radiation on a surface decreases with distance from a source of heat.…

A: Objective: to determine the statement is true or false.

Q: Which of the following scenarios describes heat being transferred by convection? Choose ALL the…

A: Convection is a heat transfer phenomenon where bulk motion of fluid is required to form convection…

Q: Stefan-Boltzmann law. Thermal radiation by a grey body.

A: Given question: Stefan-Boltzmann law and thermal radiation by a grey body.   The given question is…

Q: Heat transfer can be defined as the transmission of energy from one region to another due to…

A: Heat transfer is the mode of transmission of energy which occurs between two bodies when they have…

Q: gives 'heat cannot flow trom a body at low temperature to another body at a higher temperature…

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Q: Heat can never pass from a colder to warmer body without another concurrent change within.” What is…

A: The second law of thermodynamics act as a barrier for refrigeration to occur naturally unless…

Q: as regards the transfer of heat between the system and the surrounding is INVERSELY proportional.…

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Q: An office heater puts out 2090 Btu (British thermal units) of energy in the form of heat per hour.…

A:

Q: Convection heat transfer occurs in an object that should place in vacuum space. (True or False) *…

A:

Q: Which of the following processes will lead to a decrease in the internal energy of a system? 1-…

A: The internal energy of a system represents the amount of energy contained within the system. It is…

Q: When you are using a fan ___________________ energy is converted into ________________ energy

A:

Q: The power in delta and star connection is related as a. Power(Delta) = Power(Star) O b. Power(Star)…

A: Relationship between Pstar and PDeltaVL is same for star and delta loadZph is same for star and…

Q: A certain system losses heat to the surroundings at the rate of 150 Watts for 3 hours. The amount of…

A: Answer: The given statement is True.

Q: The effect of    _____  wind speeds generally

A: Given data  To fill the blank.