What is not stored energy? A. Heat B. Kinetic energy C. Internal energy D. Potential energy

Q: a) indicate the physical state of A b) indicate the physical state of B c) if the gas is initially…

A: here in the figure of P-V diagram Left side of vapour dome ( inverted U shape) is called as compress…

Q: A change of the system energy, AE, can be: a) positive, b) negative, c) of any sign or zero.

A: The first law of thermodynamics states that the change in internal energy of a system equals the net…

Q: Which of the following is reciprocal of density? a. Specific Volume b. Specific Density c. Specific…

A: Density is defined as the mass per unit volume. Mathematically it is given by mass divided by…

Q: A RDN B 1. Rank the three systems according to the absolute value of the net work by external…

A:

Q: Which of the following sets has all extensive properties? Select one: O a. pressure, volume, energy…

A: EXTENSIVE PROPERTIES An extensive property is an entity that varies with changes in the volume of…

Q: Which of the following statement is correct? Select one: O Datum energy is potential Energy…

A: Potential energy: An object which is at some position then it holds some energy that energy is known…

Q: 4. Explain macroscopic and microscopic forms of energy.

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Q: heat within the wall, the irreversibility (in W) due to heat transfer through the wall is

A: Given data;

Q: GIVE AN EXAMPLE OF HOW TO ENERGY TRANSFER BY HEAT?

A: Let us consider example of Internal combustion(IC) engine fuels. In IC engines, fuels (gasoline or…

Q: What does the conservation of energy state?

A: The conservation of energy states that in an isolated system, the energy remains unchanged even with…

Q: Mechanical energy What happens mechanically?

A: Mechanical Energy:          The sum of potential energy and kinetic energy is called as Mechanical…

Q: a) the volume at state 1. b) the air mass per cycle. c) the heat addition per cycle, in kJ.

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Q: 1. Which statement is not true for natural gas? a) Composed of 70 to 90% methane b) Can be found…

A: Option d is not true for natural gas. Natural gas causes pollution but lesser in comparison to other…

Q: In a lever, the load arm is always the part from the __ to the fulcrum. A. Force B. Mass C. Load

A: In a lever, the load arm is always the part from the __ to the fulcrum. A. Force B. Mass C. Load

Q: Why do we calculate/measure power? (From engines, electricity, etc.)

A: Measuring power of different equipment is so important due to following reason  ,

Q: It is the property of the body to resist a rotation.   Rotational KE   Moment of torque   Moment…

A: Property of body which resist the  rotation is moment of inertia  Rotational kinetic is energy of…

Q: When energy in the form of heat is added to a body, it is stored as heat. True

A: When the energy in the from of heat is added to the body, then this energy increases the internal…

Q: Work done in a free expansion process is (a) +ve (b) -ve (c) zero (d) none of the above

A: Free expansion is the process in which gas expands without any resistance or pressure from the…

Q: Why transformation of energy is important?

A: Solution:

Q: Power is a Scalar Quantity

A: Yes, Power is scalar quantity. It is true.

Q: What is the specific gravity of unknown liquid if you know that h=12.9 cm? Unknown liquid h cm 95 cm…

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Q: The quality of water is decreased from 100% (saturated vapor) to 50%. Which one of these will not be…

A: when water qualitu decreases from saturated vapor to towards saturated liquid, then its a phase…

Q: States that

A: Given; If a system is in equilibrium and the position of the system  depends upon many independent…

Q: n wall then the work done by force on wall

A: given: when  a force is applied on wall then the work done by force on wall is?

Q: Choose wrong statement       A)Temperature is an intensive property       B)Adiabatic systems are…

A: It is required to determine wrong statement from given option

Q: A hydraulic car list has an actual mechanical advantage of 50. The mechanic using it applies a force…

A: Work: W=force×displacement Given: Displacement = 1.5 m Mechanical advantage = 50 Total force = M.A.…

Q: 3. If a miniature engine does 520. J of work to cause a car in motion with a distance of 260, m, how…

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Q: after a series of state changes, the pressure and volume of 2.268 kg of nitrogen are each doubled.…

A: Given    Mass, m = 2.268 kg  Find    The entropy

Q: How much energy (in Joules) is required to fully melt 20g of ice taken from the freezer at - 5…

A: Given data as per question mass if ice =20×10−3 kginitial temperature =−50cwe know…

Q: 2. What is the relationship between volume and pressure?

A: For a fixed mass of an ideal gas kept at a fixed temperature, pressure and volume are inversely…

Q: It is the energy accounted by the molecular motion of the substance due to its, vibrational,…

A: Explaining the energy associated with the molecular motion of the material.

Q: Heat transfer

A: Solutio:- Calculate the characteristic length. Lc = VAsLc =πD3/6πD2Lc =D6Lc =0.0086Lc…

Q: A. The capacity of hot bodies to produce work is? Kinetic Energy Heat Potential Energy Internal…

A: In thermal science, the important properties of the system are: Temperature  Enthalpy Entropy

Q: Energy derived from interior of Earth ............

A: The quantitative property that is to be transferred to a body to perform some work is called energy.…

Q: It states that all kind of energy are not of the same quality.________________________

A: Given: It states that all kind of energy are not of the same quality

Q: *.He enjoys a bath in the evening have O having O to have O

A: He enjoys having a bath in the evening.

Q: When heat energy transfers through a solid, what is it called?

A: Convection : This is a kind of heat transfer through fluid (liquids or gases) due to movement of…

Q: In a lever, the load arm is always part from the ___ to the fulcrum.  A. Force  B. Mass C. Load

A: In a lever, the load arm is always part from the ___ to the fulcrum.

Q: actual motion of the heated particles, it is referred to transfer by

A: TO determine: When heat is transferred from one particle of a body to another by actual motion of…

Q: form of energy which is contained in (possessed by) a body

A: Potential energy

Q: Which of the following is not a form of energy: Select one: O a. Chemical? O b. Electrical? c. Work?…

A: Chemical energy: The energy stored in the bonds of any chemical is known as chemical energy. It…

Q: 6. If a small motor does 520. J of work to move a toy car 260. m, what force does it exert?

A:

Q: An object is hovering (neutral buoyancy state) in water. The weight of the object is . The specific…

A: The weight of the object is 80 kN. The specific weight of water is 9.81 kN/m3.

Q: Heat transfer is always from higher reservoir to a lower reservoir, and not the opposite, because:…

A: heat transfer always occur in a direction of decreasing temperature. Higher energy means system is…

Q: What is the effect of overdamped state?

A: Overdamped: When the damping factor is greater than unity than it's called overdamped. An overdamped…

Q: 16. Kilowatt-hour is the unit of a) power b) energy c) voltage d) current

A: That's a measure of power. If you use one kilowatt of power for an hour, you have used 1…

Q: The unit of work in S.I. units is .A Newton .B pound .C joule .D slug

A: