What is the most common switch used in a heating/air conditioning system? a. Thermostat b. Pressure c. Push button d. Humidistat
Q: ___________ states that internal energy is a function of state and the increase in internal energy…
A: 1. First law of thermodynamics is based on the conservation of energy, that distinguish two kinds of…
Q: Explain the working principle of the following: Heat pumps Heat engines…
A: 1. Heat pump: The operating principle of a heat pump is based on the physical property that the…
Q: Two objects are touching each other. How is heat transferred from one object to the other? a.…
A: Conduction is the transfer of heat between substances that are in direct contact with each other.…
Q: What component of the improvised calorimeter acts as an insulator to prevent energy from escaping to…
A: Thermometer: It is used to measure the temperature of the liquid in the inner vessel. Styrofoam: It…
Q: Which of the following holds true with regards to heat energy? a. Heat contained in an object…
A: Heat is a type of energy which can be transferred from one object to other object when there is…
Q: Food in microwave is heated by A. conduction B. Neither. C. Radiation D. convection
A: Food in microwave is heated by A. conduction B. Neither. C. Radiation…
Q: In typical calorimetry problems, what is the usual conservation law being used? a. energy b. heat c.…
A: given that,In typical calorimetry problems, what is the usual conservation law being used? a. energy…
Q: In the relationship APAT, what scale is used for temperature? a. Fahrenheit b. Kelvin c. Celsius d.…
A:
Q: Water has highest specific heat. It means A. water expands when cool down. B. once water is…
A:
Q: Which of the of the following temperature is the hottest? A. 100 degrees celsius B. All would…
A:
Q: During which process would heat be transferred from a fire to a metal container that it is in direct…
A:
Q: Which of the following substances would make the best thermal conductor? а. Wood b. Glass С. Brick…
A: Given substances are - Wood Glass Brick Aluminum Wool
Q: Two long parallel wires carry currents of 2.69 A and 6.83 A. The magnitude of the force per unit…
A: Given: Current on 1st wire,I1=2.69ACurrent on 2nd wire,I2=6.83AForce per…
Q: it is the form of energy that is done by a system to its surroundings if the sole effect on…
A: Given that it is the form of energy that is done by a system to its surroundings if the sole effect…
Q: 00 You can touch the aluminum pan after it has been taken from the hot oven, but you'll burn your…
A: Aluminium has a low heat capacity so transferring a small amount of energy lowers the temperature of…
Q: How could you make the engine more efficient?
A:
Q: How long does a 56 kW water heater take to raise the temperature of 170L of water from 22°C to 37°C?…
A:
Q: Diffusion is a direct consequence of: a. electrical interactions between moving charges O b. a smart…
A:
Q: which is the example of a heat engine? A. solar panels B. refrigerator C. automobile engine…
A: Question : Which is the example of a heat engine? A. solar panels B. refrigerator C. automobile…
Q: Following the law of conservation of energy, the temperature of a body can exceed the temperature of…
A: According to law of conservation of energy the "energy can neither be created nor destroyed, only…
Q: Objects do not contain heat. It can only transfer heat from? A. cold to hot B. Hot to cold…
A: According to the second law of thermodynamic, heat is a form of energy that can be neither created…
Q: Select all that is true about heat. A. Heat capacity is an intensive property because it depends…
A: Specific heat capacity is defined as amount of heat required to raise the temperature of an object…
Q: How long does a 69 kW water heater take to raise the temperature of 110 Lof water from 24°C to 37°C?…
A:
Q: A C In the figure above, which symbol represents the bulb? O A. D ОВ. А о С. В O D. C
A: In the given circuit diagram, the symbol C represents the bulb, that is option D) C is the correct…
Q: Help with 11
A:
Q: According to the kinetic theory of gases, when collisions occur the molecules did not lose their…
A: Gas particles are in a constant state of random motion and move in straight lines until they collide…
Q: In Physics we can say that the term 'heat' can be phrased as the A. temperature in an object. B.…
A: As we know heat is a form energy which can flow where there is difference of temperature between…
Q: Explain the working principle of the following: a. Heat pumps b. Heat engines c. Refrigerators…
A:
Q: 8. Heat normally travels from? a. Low to high temp. b. High to low temp. c. Both a and b d. None of…
A: solution as
Q: Which best describes the relationship between two systems in thermal equilibrium? a. no net energy…
A:
Q: Why the sand is much hotter compared to water in the beach if they are exposed with the same source…
A: Specific heat capacity: It is defined as, the amount of heat energy required to raise the…
Q: Which one of the following law of thermodynamics states that if two systems are in thermodynamic…
A: When two bodies are brought into contact with each other and if one of them is hotter than other the…
Q: Which of the following substances would make the best thermal conductor? a. Aluminum b.…
A: to choose : The best thermal conductor out of aluminum , wool , glass , wood and brick
Q: What is the unit of the physical quantity Entropy? A) watt per kelvin B) newton per kelvin…
A: Entropy is defined as the energy per unit temperature.
Q: When the temperature of a gas increases, the internal energy of the gas a. may increase or decrease…
A: Change in internal energy of a gas is given by the relation: ∆U=nCv∆THere,n=mole number of…
Q: How can a single-duct system be divided into zones with different thermal requirements? a. Single…
A: Given data, A single duct system is given here.
Q: 1. Heat flows from one body to other when they have A. different heat contents B. differ
A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…
Q: 1. Which of the following thermal variables is not a state function? a. Pressure b. Internal Energy…
A: Correct answer is option (e) i.e. work
Q: How long does a 55 kW water heater take to raise the temperature of 100 L of water from 18°C to…
A:
Q: How would increasing the temperature of the compressed air affect the pressure in the can? Explain…
A: Explaining the concepts,increasing the temperature of the compressed air affect the pressure.
Q: . If the viscosity of the fluid will increase, the rate of heat transfer will A.decrease B. There…
A: Dear student, Since all questions are different as per guidelines we can author only first one…
Q: - The ratio between electric current produced and input light energy is called…
A: (a) Photovoltaic effect: When a photovoltaic cell is exposed to sunlight, the photovoltaic effect…
What is the most common switch used in a heating/air conditioning system?
a. Thermostat
b. Pressure
c. Push button
d. Humidistat
Thermostats are devices which is used in electronic devices such that they senses the temperature of the system and according to the measurement it will adjust the temperature to a possible performing temperature or to a threshold value depends on the system demands.
Step by step
Solved in 2 steps