A system in which there is exchange of energy but not of mass, is called a/an __________ system. (A) Isolated (B) Open (C) Insulated (D) Closed

A system in which there is exchange of energy but not of mass, is called a/an __________ system.
(A) Isolated
(B) Open
(C) Insulated
(D) Closed
by

1 Answer

Answer :

(D) Closed
by

Related questions

What system in which there is no exchange of matter with the surrounding or mass does not cross its boundaries?  a. Open system  b. Closed system  c. Isolated system  d. Non-flow system

Description : What system in which there is no exchange of matter with the surrounding or mass does not cross its boundaries?  a. Open system  b. Closed system  c. Isolated system  d. Non-flow system

Last Answer : Closed system

A system whose boundary does not allow the exchange of either matter or energy with the surrounding  a. open system  b. closed system  c. isolated system  d. none of the above

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Last Answer : isolated system

What system in which neither mass nor energy cross the boundaries and is not influenced by the surroundings?  a. Closed system  b. Open system  c. Isolated system  d. All of these

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Last Answer : Isolated system

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What refers to a system in which there is a flow of mass across its boundaries?  a. Open system  b. Closed system  c. Isolated system  d. Non-flow system

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Last Answer : control volume

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Last Answer : Open system

An isolated system can exchange __________ with its surroundings. (A) Matter (B) Energy (C) Neither matter nor energy (D) Both matter and energy

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What do you call a system in which there is a flow of matter through the boundary?  a. Closed system  b. Open system  c. Isolated system  d. All of these

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Last Answer : Open system

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Last Answer : Answer : d

A closed system is also known as _________.  a. isolated system  b. closed container  c. control mass  d. control volume

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A system in which even energy is not allowed to cross the boundary is called ____.  A. Closed system  B. Exclusive system  C. Isolated system  D. Special system

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Last Answer : Isolated system

When changing fuses and the spring clips are found to have lost their grip, they should be replaced or _____________. A. tightened firmly with insulated pliers B. clip clamps should be used C. wired closed with uninsulated, varnished copper wire D. carefully bent back to their original shapes

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Last Answer : Answer: B

The closed circulatory system is more efficient. Since blood circulates only inside blood vessels it can do it with more pressure reaching farther distances between the organs where hematosis happens and the peripheral tissues. In addition the circulatory speed also heightens making possible more oxygen supply to great consuming tissues, like the muscle tissues that then can perform faster movements. Animals with an open circulatory system (with the exception of insects that do gas exchange independently from the circulation) are generally slower and have a low metabolic rate.

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Last Answer : What is the difference between octopuses and mussels regarding their circulatory systems?

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Description : An isolated system is one in which  (a) mass does not cross boundaries of the system, though energy may do so  (b) neither mass nor energy crosses the boundaries of the system  (c) both ... system  (d) mass crosses the boundary but not the energy  (e) thermodynamic reactions do not occur.

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It is a very hot day. You are in a special kitchen, in that there are no exits and the walls of this kitchen are thermally very well insulated. If you open the refrigerator door, the room will eventually: w) cool off. x) remain the same. y) heat up.

Description : It is a very hot day. You are in a special kitchen, in that there are no exits and the walls of this kitchen are thermally very well insulated. If you open the refrigerator door, the room will eventually: w) cool off. x) remain the same. y) heat up.

Last Answer : ANSWER: Y -- HEAT UP.

When an isolated thermodynamic system executes a process, (A) Work is done (B) Heat transfer takes place (C) Mass flow occurs across the boundary of the system (D) No chemical reaction takes place within the system

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A system which consists of fixed amount of mass and no mass can cross its boundary called _____.  A. Equilibrium system  B. Thermal equilibrium system  C. Open system  D. Closed system

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Last Answer : Closed system

A classification of system in which mass does not cross its boundaries.  a. Nonflow System  b. Open System  c. Closed System  d. None of the above

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Flash point of atmospheric distillation residue is determined by __________ apparatus. (A) Pensky-Martens (closed cup type) (B) Abel (C) Cleveland (open cup type) (D) None of these

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In a/an __________ vessel, the fluid enters and leaves following plug flow. (A) Open (B) Closed (C) Open-closed (D) Close-opened

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Pick out the correct statement. (A) If an insoluble gas is passed through a volatile liquid placed in a perfectly insulated container, the temperature of the liquid will increase (B) A process is irreversible as long as Δ S for the system is greater than zero (C) The mechanical work done by a system is always equal to∫P.dV (D) The heat of formation of a compound is defined as the heat of reaction leading to the formation of the compound from its reactants

Description : Pick out the correct statement. (A) If an insoluble gas is passed through a volatile liquid placed in a perfectly insulated container, the temperature of the liquid will increase (B) A ... compound is defined as the heat of reaction leading to the formation of the compound from its reactants

Last Answer : (D) The heat of formation of a compound is defined as the heat of reaction leading to the formation of the compound from its reactants

It is a region enclosed by specified boundaries, which may be imaginary, either fixed or moving  a. Isolated system  b. Open system  c. System  d. None of the above

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A closed system is one in which  (a) mass does not cross boundaries of the system, though energy may do so  (b) mass crosses the boundary but not the energy (c) neither mass nor energy crosses the boundaries of the system  (d) both energy and mass cross the boundaries of the system  (e) thermodynamic reactions take place.

Description : A closed system is one in which  (a) mass does not cross boundaries of the system, though energy may do so  (b) mass crosses the boundary but not the energy (c) neither mass nor energy ...  (d) both energy and mass cross the boundaries of the system  (e) thermodynamic reactions take place.

Last Answer : Answer : a

In an isolated system two cars each with a mass of 1000 kg collide car 1 is initially at rest while car 2was moving at10ms what is the magnitude of their combined momentum after the collision?

Description : In an isolated system two cars each with a mass of 1000 kg collide car 1 is initially at rest while car 2was moving at10ms what is the magnitude of their combined momentum after the collision?

Last Answer : What is the answer ?

In an isolated system two cars each with a mass of 1500 kg collide car 1 is initially at rest while car 2 was moving at 5ms. What is their combined momentum after collision?

Description : In an isolated system two cars each with a mass of 1500 kg collide car 1 is initially at rest while car 2 was moving at 5ms. What is their combined momentum after collision?

Last Answer : Need answer

A control volume refers to what?  a. A fixed region in space  b. A reversible process  c. an isolated system  d. a specified mass

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Last Answer : A fixed region in space

In an impressed current cathodic protection system, the anode is ____________. A. connected to the hull and deteriorates with time B. insulated from the hull and does not waste away C. connected to the hull but does not waste away D. insulated from the hull but deteriorates with time

Description : In an impressed current cathodic protection system, the anode is ____________. A. connected to the hull and deteriorates with time B. insulated from the hull and does not waste away C. connected to the hull but does not waste away D. insulated from the hull but deteriorates with time

Last Answer : Answer: B

Pick out the correct statement. (A) The available energy in an isolated system for all irreversible (real) processes decreases (B) The efficiency of a Carnot engine increases, if the sink temperature is decreased (C) The reversible work for compression in non-flow process under isothermal condition is the change in Helmholtz free energy (D) All (A), (B) and (C)

Description : Pick out the correct statement. (A) The available energy in an isolated system for all irreversible (real) processes decreases (B) The efficiency of a Carnot engine increases, if the sink temperature is decreased ... condition is the change in Helmholtz free energy (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

If a circuit breaker that utilizes built-in, current limiting fuses (CLF's) cannot be closed, the problem may be traced to __________. A. a blown CLF plunger holding the trip bar in the open position B. a missing CLF C. a misaligned limiter housing assembly D. all of the above

Description : If a circuit breaker that utilizes built-in, current limiting fuses (CLF's) cannot be closed, the problem may be traced to __________. A. a blown CLF plunger holding the trip bar in the open position B. a missing CLF C. a misaligned limiter housing assembly D. all of the above

Last Answer : Answer: D

A long iron rod initially at a temperature of 20°C has one end dipped in boiling water (100°C) at time, t = 0. The curved surface of the rod is insulated so that heat conduction is one dimensional in the axial direction. The temperature at a distance 100 mm from the dipped end becomes 40°C at time, t = 200 s. The same temperature is achieved at a distance of 200 mm from the dipped end at time (A) t = 283 s (B) t = 356 s (C) t = 400 s (D) t = 800 s

Description : A long iron rod initially at a temperature of 20°C has one end dipped in boiling water (100°C) at time, t = 0. The curved surface of the rod is insulated so that heat conduction is one dimensional in the axial direction. The ... = 283 s (B) t = 356 s (C) t = 400 s (D) t = 800 s

Last Answer : (D) t = 800 s

In Joule's experiment, an insulated container contains 20 kg of waterinitially at 25°C. It is stirred by an agitator, which is made to turn by aslowly falling body weighing 40 kg through a height of 4 m. The process isrepeated 500 times. The acceleration due to gravity is 9.8 ms-2. Neglectingthe heat capacity of agitator, the temperature of water (in °C) is(A) 40.5(B) 34.4(C) 26.8(D) 25

Description : In Joule's experiment, an insulated container contains 20 kg of waterinitially at 25°C. It is stirred by an agitator, which is made to turn by a slowly falling body weighing 40 kg through a height of 4 m. The process is repeated ... temperature of water (in °C) is (A) 40.5 (B) 34.4 (C) 26.8 (D) 25

Last Answer : (B) 34.4

A solid metallic block weighing 5 kg has an initial temperature of 500°C. 40 kg of water initially at 25°C is contained in a perfectly insulated tank. The metallic block is brought into contact with water. Both of them come to equilibrium. Specific heat of block material is 0.4 kJ.kg-1. K-1. Ignoring the effect of expansion and contraction and also the heat capacity to tank, the total entropy change in kJ.kg-1, K-1is (A) -1.87 (B) 0 (C) 1.26 (D) 3.91

Description : A solid metallic block weighing 5 kg has an initial temperature of 500°C. 40 kg of water initially at 25°C is contained in a perfectly insulated tank. The metallic block is brought into contact with water. Both of them come to equilibrium. ... .kg-1, K-1is (A) -1.87 (B) 0 (C) 1.26 (D) 3.91

Last Answer : (B) 0

High pressure steam is expanded adiabatically and reversibly through a well insulated turbine, which produces some shaft work. If the enthalpy change and entropy change across the turbine are represented by ΔH and ΔS respectively for this process: (A) Δ H = 0 and ΔS = 0 (B) Δ H ≠ 0 and ΔS = 0 (C) Δ H ≠ 0 and ΔS ≠ 0 (D) Δ H = 0 and ΔS ≠ 0

Description : High pressure steam is expanded adiabatically and reversibly through a well insulated turbine, which produces some shaft work. If the enthalpy change and entropy change across the turbine are represented by ΔH and ΔS respectively for this process: ... (C) Δ H ≠ 0 and ΔS ≠ 0 (D) Δ H = 0 and ΔS ≠ 0

Last Answer : (B) Δ H ≠ 0 and ΔS = 0

1m3 of an ideal gas at 500 K and 1000 kPa expands reversibly to 5 times its initial volume in an insulated container. If the specific heat capacity (at constant pressure) of the gas is 21 J/mole . K, the final temperature will be (A) 35 K (B) 174 K (C) 274 K (D) 154 K

Description : 1m3 of an ideal gas at 500 K and 1000 kPa expands reversibly to 5 times its initial volume in an insulated container. If the specific heat capacity (at constant pressure) of the gas is 21 J/mole . K, the final temperature will be (A) 35 K (B) 174 K (C) 274 K (D) 154 K

Last Answer : (C) 274 K

A steam pipe is intended to be insulated with two layers of insulating materials of different thermal conductivities. For minimum heat transfer to take place (A) The better insulation material should be put just next to pipe (i.e., inside) (B) The better insulating material should be put outside (C) Either of the insulating material could be put on either side (D) Steam temperature is considered before deciding as to which insulating material is to be put inside (i.e., just next to the pipe)

Description : A steam pipe is intended to be insulated with two layers of insulating materials of different thermal conductivities. For minimum heat transfer to take place (A) The better insulation material should be put just ... to which insulating material is to be put inside (i.e., just next to the pipe)

Last Answer : (A) The better insulation material should be put just next to pipe (i.e., inside)

A steam carrying pipeline is insulated with two layers of insulating materials with the inferior insulation material forming the inner part. If the two insulating layers are interchanged, the heat conducted will (A) Increase (B) Decrease (C) Remain unaffected (D) May increase or decrease; depends on the thickness of each layer

Description : A steam carrying pipeline is insulated with two layers of insulating materials with the inferior insulation material forming the inner part. If the two insulating layers are interchanged, the heat conducted ... ) Remain unaffected (D) May increase or decrease; depends on the thickness of each layer

Last Answer : Option C

Which one of the following aspects is an exclusive characteristic of living things? (a) Isolated metabolic reactions occur in vitro (b) Increase in mass from inside only (c) Perception of events happening in the environment and their memory. (d) Increase in mass by accumulation of material both on surface as well as internally

Description : Which one of the following aspects is an exclusive characteristic of living things? (a) Isolated metabolic reactions occur in vitro (b) Increase in mass from inside only (c) Perception of events ... memory. (d) Increase in mass by accumulation of material both on surface as well as internally

Last Answer : (d) Increase in mass by accumulation of material both on surface as well as internally.

A closed system may refer to ______.  A. Control mass  B. Control volume  C. Control energy  D. Control temperature

Description : A closed system may refer to ______.  A. Control mass  B. Control volume  C. Control energy  D. Control temperature

Last Answer : Control mass

How low can the temperature go in an unheated but insulated cabin in order to damage LCD TV, phone, and computer?

Description : How low can the temperature go in an unheated but insulated cabin in order to damage LCD TV, phone, and computer?

Last Answer : answer:Are you the only one closing in on ten thousand Lurve? That is impressive! I think the computer can survive in very low tempts.. Not sure about the rest. I’m an IT girl and I know we have the AC on the severs 24/7.