Define the Energy can cross the boundaries of a closed system in the form of heat and work?

Q: Heat is negative when energy is transferred to a system from its environment

A: Correct option is:

Q: What is meant by efficiency?

A:

Q: What is Transformation of Energy and what are its types?

A: Solution:

Q: Define the THERMODYNAMICS AND ENERGY?

A: The word thermodynamics comes from the Greek word thermos which means heat and dynamic which means…

Q: An adiabatic process is one during which no energy enters or leaves the system by heat

A:

Q: house is to be maintained at 20°C when the outside air is at -25°C. It is determined that 1800 kJ is…

A: Given:Ti=20 CTo=-25 CQs=1800 KJ/minR=13 cents/KWh

Q: Explain the reversible and irreversible process changes by giving examples.

A: Reversible process :-  A reversible process is process in which direction of process can be changed…

Q: THERMODYNAMICS Question 0.5 kg/s of an idea gas (molecular weight 30, ratio of specific heats 1.5)…

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Q: (b) from rest to a final velocity of 30 m/s

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Q: A gas contained in a vertical cylindrical tank has a volume of [10 + (162/100)] m³. The gas receives…

A: The specific heat gain is 19.65 kJ/kg.

Q: A house is to be maintained at 20°C when the outside air is at -25°C. It is determined that 1800 kJ…

A:

Q: Kelvin Planck's law deals with A. ‏conservation of heat B. ‏conversion of work into heat C.…

A: Kelvin Planck's law Its states that "It is impossible to construct an engine, which while operating…

Q: To maintain a dwelling steadily at 68°F on a day when the outside temperature is 30°F, heating must…

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Q: Why transformation of energy is important?

A: Solution:

Q: Q. No. 1: (5 marks) A) A piston cylinder arrangement has a gas in the cylinder space. During a…

A: ∆Q=∆w+∆U+change in frictional energy 3.2=1.6+∆U+0.24 ∆U=3.2-1.6-0.24=1.36kJ

Q: What is the relation between work and velocity?

A: The expression of the force is given by, F=m×Vt......1 Here, F is the force, m is the mass, V is the…

Q: A gas contained in a vertical cylindrical tank has a volume of [10 + (K/100)] m3 . The gas receives…

A:

Q: How many types of thermodynamics systems .explain with the help of a system diagram?

A:

Q: a simple experiment that demonstrates that work is directly proportional to the force  applied.

A: We can take the example of the strring work to demonstrate the phenomenon.

Q: Energy required to move a mass that enters a thermodynamic system from one point to another? a.…

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Q: closed system, this mode of work occurs when the volume V of a system changes.  a. Shaft work b.…

A: Ans: (b) boundary work

Q: What is the difference between the macroscopic and microscopic forms of energy?

A: Energy can be understood as the ability that can bring change. It is not a property of the system,…

Q: be done by a system? b) Why work is considered path function while pressure is considered a point…

A: given: a) When is work said to be done by a system? b) Why work is considered path function while…

Q: what can happen to the universe as entropy increases?

A: Both matter and energy were interchangeable. Gravity was central in the early universe. Although it…

Q: Write any two practical examples of the law of conservation of energy?

A: The law of conservation of energy states that energy can neither be created nor be destroyed.…

Q: In your own words, define efficiency as it applies to a device designed to perform an energy…

A: The energy can be transformed or converted from one from to another form. The complete conversion of…

Q: A claim states that a heat pump has been invented that requires work to be done on the system of…

A: It is impossible device , because net work done is greater than heat supplied.

Q: Sensible heat transfer from a warm body to a cold body is only possible when

A: Sensible heat: The heat that is required to increase unit temperature of unit mass of any object is…

Q: During a process, 50 kJ of work is done on a closed system while 20 kJ of heat is lost from the…

A: Find the final internal energy of the system. Using first law of thermodynamics.

Q: → What is the difference between an open system and an isolated system?

A: It is required to differentiate between open system and isolated system

Q: In the concept/parameter of thermodynamics, what refers to the total energy content of a system?

A: Total energy content of a system or total energy of system is nothing but the sum of energies which…

Q: A gas contained in a vertical cylindrical tank has a volume of [10 + (162/100)] m³. The gas receives…

A: To find: The specific heat gain or loss. Given: The volume is V=10+162100 m3. The work done is W=7.5…

Q: It is a process that can go back to its initial state without a loss of energy a. irreversible   b.…

A: Given data It is a process that can go back to its initial state without a loss of energy a.…

Q: Q.3. Complete the table below on the basis of the conservation of energy principle for a closed…

A:

Q: Give an example of in the absence of any work interactions, the energy change of a system is equal…

A: According to the first law of thermodynamics                        δQ-δW=∆E

Q: Closed system can exchange energy and matter

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Q: The energy possessed by a body by the virtue of its motion is called ______

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Q: Define thermal energy reservoir?

A: Thermal energy reservoir⇒ Thermal energy reservoir is defined as a thermodynamic system containing…

Q: Evaluating the electricity generated at 8.5 cents per kW - h, determine the value of the power…

A: Solution::

Q: How is the external work transformed into internal work?

A: To answer The question Question How is the external work transformed into internal work? Concept…

Q: What are the types of thermodynamic system? Explain it in details

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Q: If the law of conservation of energy states that energy is neither be created nor destroyed, but can…

A: Law of conservation of energy only deals with the quantitative aspect of the energy. The aspect…

Q: What is the Conservation of Energy?

A: Energythe capacity for doing work is called Energy . It may exist in potential,kinetic, thermal,…

Q: Explain the Conservation of energy principle for the human body?

A: Given Data⇒human bodyProblem definition⇒Problem says Explain the Conservation of energy principle…