Temperature.
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: 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: 5. What is the correct temperature for quenching AISI C1095 tool steel? For any carbon steel?
A: Quenching:- One form of metal heat treatment procedure is quenching. A metal is quenched by being…
Q: 5. Why does steam at 100°C cause more severe burns than does liquid water at 100°C? Interpreting…
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Q: Water has highest specific heat. It means A. water expands when cool down. B. once water is…
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Q: Coefficient of linear thermal expansion is measured in the units of...choose one correct answer…
A: Change in the length of the conductor due to the temperature changes with respect to original length…
Q: A meteorological balloon had a radius of 1.75 m when released at sea level at 20°C and expanded to a…
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Q: 5. Give examples of solids that expand or contract due to temperature changes?
A: Most substances expand on heating and contact on cooling as a change on the temperature of the body…
Q: Heat transfer by radiation requires: a. none of the above Ob. fluids O C. gases d liguids
A: Required : Heat transfer by radiation requires ...
Q: If a sample of salt is in water in a constant pressure calorimeter with a heat capacity of 35.5 J/℃…
A: Given : The heat capacity of calorimeter, Cv = 35.5 J/℃ Salt is FeCl2 Mass of Salt = 2.288 g Mass…
Q: For thermal expansion of a solid due to a small change in temperature, the solid’s coefficient of…
A: Any substance, whether it is solid or liquid expands on heating this is called thermal expansion.…
Q: A 0.03-kg lead bullet traveling 169 m/s strikes an armor plate and comes to a stop. If all of the…
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Q: Mercury is commonly used as a thermometric fluid rather than water because: A. specific heat of…
A: Mercury is used in thermometers as a thermometric fluid because mercury is the only metal which…
Q: 8. By how much does the volume of an aluminum cube 5 cm on an edge increasc when the cube is heated…
A: Given data: Side length of cube, a=5 cm=0.05 m Temperature: Ti=100C; Tf=600C
Q: 12. A water heater pitcher is used to heat 150 g of water for a cup of tea. The heater is labeled…
A: Given data: The heater power is P=500 W and It heats m=150 g=0.15 kg of water for a cup of tea. The…
Q: The S.I unit of specific heat is: O a. J/Kg O b. Kg /J O c.J/ Kg C O d. Cal / kg K
A: The SI unit of specific heat is: J / Kg C
Q: of Change in enthalpy of a system is due to heat supplied at? Select one: O a. None O b. constant…
A: in the isothermal reversible process the heat input is the change in enthalpy.
Q: Convert the following: 8478 Btu/ft² - hr °F/in to cal/cm² – sºC/cm 48.94 Btu/ft² - hr ºR to W/m²C…
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Q: 5. Apple juice initially at 20 °C temperature will be concentrated in an evaporator at 25 kPa. What…
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Q: Air enters a hot-air furnace at 7°C and leaves at 77°C. If the pressure does not change, each…
A: Given: The initial temperature of the gas is 7° C. The final temperature of the gas is 77° C. The…
Q: sketch a graph showing how the pressure of a fixed mass of gas at constant temperature varies with…
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Q: When thermal energy is transferred from a hot object to a cold object, the overall entropyA.…
A: Heat transferred to hot to cold object
Q: 17. If I have 6 moles of a gas at a pressure of 7.9 atm and a volume of 15 liters, what is the…
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Q: Thermography is .A different temperatures .B mapping .c two different metals .D consists of two…
A: Thermography is mapping to create thermal maps for survey, that is used for different purposes. Also…
Q: The sum of all forms of mechanical energy of molecules in a thermodynamic system called O a.…
A: Answer Internal energy of thermodynamic system is the sum of all mechanical energies of all the…
Q: 3.87kg lead billet is to be melted for a casting operation. Lead has a melting point of 328°C a…
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Q: The S.I. unit for temperature is Select one: a. Kelvin O b. Degree Fahrenheit c. Accumulated Thermal…
A: In the given question we have to find the S.I unit of temperature. Let's discuss some point…
Q: According to kinetic theory, "the average kinetic energy of gas molecules depends upon a.Pressure of…
A: Here we have to find out average kinetic energy of gas is depend on which factor.
Q: What is molar mass
A: In chemistry, the molar mass of a chemical compound is defined as the mass of a sample of that…
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: In gas loaded accumulators, the storage of potential energy is due to a. Density of gases b. None of…
A: The answer is given below
Q: The average kinetic energy of ice particles ______ as ice melts. A. Decrease B. Increase C.…
A: There is nо сhаnge in the temрerаture оf the iсe when it melts tо wаter beсаuse the…
Q: 5. Why do you think different substances heat up and cool down at different rates?
A: Consider the mass of the substance is m and the increase or decrease in the temperature is ΔT.
Q: 15. Heat transfer in calorimetry is always: O From cold to hot In the direction of specific heat O…
A: The transfer of Heat always occur from Higher Temperature Body to Lower Temperature Body So Heat…
Q: 24. The internal energy of a gas changes from 10 calories to 15 calories when 6 calories of heat is…
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Q: A heater has failed in an instrument air dryer. What is the result? A. Dew point increases. Dew…
A: Air dryer is one of the important part of the compressed air system in a thermal power plant.
Q: In general, laboratory apparatus used for carrying out reactions is made up of glass. All statements…
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Q: 10. In free expansion process for a perfect gas, initial internal energy a. Is equal to final…
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Q: For a cooling process with 100% efficiency, the process goes on until it reaches a temperature known…
A: Wet bulb is the lowest temperature to which air can be cooled by the evaporation of water into the…
Q: Coefficient of linear thermal expansion is measured in the units of...choose one correct answer…
A: The coefficient of thermal expansion is known as the fractional increase in length per unit increase…
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