In Glass Thermometers the expansion of liquid is the measure of humidity.
Q: An isobaric process is a polytropic process. True or false
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Q: Heat transfer occurs whenever there is a ____ difference between two substances. a) volume b)…
A: Energy transfer is movement of energy from one place to another place. And there should be a…
Q: Determine the initial quality, x1, and the heat transfer, in kJ.
A: Given: V= 0.5 m3 m=6 kg P1=20 bar P2=4 bar To determine: the initial quality, x1, the heat…
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: hile the temperature remains constant at 38 degrees C, 2.5 kg of a certain ideal gas whose Cp =…
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Q: Heat is negative when energy is transferred to a system from its environment
A: Correct option is:
Q: Complete the ideal gas tables. All answers shall be in 4 decimal places. P (kPa) p (kgm/m³) v…
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Q: Two pound of an ideal gas undergoes an isentropic process from 93.5 psig and a volume of 0.65 cu. ft…
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Q: - If the temperature of methane gas at a temperature of 20ºC in a tank of constant volume and…
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Q: The first law of thermodynamics is essentially an expression of the conservation of energy…
A: The general energy balance equation of a system undergoing any thermodynamic process is The energy…
Q: Thermal mass is a property of the mass of a building which enables it to store:
A: Thermal Mass: The ability of a material to absorb and store heat or thermal energy is a Thermal…
Q: In a steady flow process, the change of energy with respect to time is zero. True False
A: Given Statement:- In a steady flow process, the change of energy with respect to time is zero.…
Q: A 'wind' is simply a flow of huge amount of air, usually from a high pressure area to a low pressure…
A: Given:- Wind flow To find:- True or false that wind flows from higher pressure area to lower…
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: The atmospheric pressure in a location is measured by a mercury (? = 13,600 kg/m3) barometer. If the…
A: Given data: Density, ρ = 13600 kg/m3 Height of the column, h = 740 mm
Q: During a heating process, the temperature of an object rises by 10°C. This temperature rise is…
A: We know, Now,
Q: 2) PAGASA Mactan reports the June 12, 2019 weather condition: Barometer pressure Dewpoint…
A: (a) To find: The relative humidity. Given: The dry bulb temperature is dbt=30°. The dew point…
Q: The unit of pressure one bar is 100 kPa 1000 kPa 1 kPa 100 Pa
A: Answer: ◆ The unit pressure of one bar is 100 kPa. ◆ Therefore, the correct answer is option (a).
Q: QUESTION I: A closed, rigid tank filled with water, initially at 20 bar, quality of 80%, and volume…
A: Given data initial pressure (P1) = 20 bar x = 80% Volume (V) = 0.5 m3 Final pressure (P2) = 4 bar…
Q: 3 kg of steam with quality of 30% has a pressure of 12.056 bar. At that pressure, the specific…
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Q: Water vapor is cooled in a closed, rigid tank from 440°C and 100 bar to a final temperature of…
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Q: 11.A steel tank contains carbon dioxide at a pressure of 13.0 atm when the temperature is 340C. What…
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Q: While the temperature remains constant at 38 degrees C, 2.5 kg of a certain ideal gas whose Cp =…
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Q: 3. At 2:00P.M, a thermometer reading is 80*F is taken outside where the air temperature is 20'F. At…
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Q: :Enthalpy is a thermodynamic potential that consists of the internal energy of the system plus the…
A: Option 3 is correct.
Q: Q2: : Which statements are true for source of requirements and which are false? If false, please…
A: Solution:
Q: 1. One pound of an ideal gas undergoes an isentropic process from 95.3 psig and a volume of 0.6 ft…
A: Given data: The initial pressure, P1 = 95.3 psig. The initial volume, V1 = 0.6 ft3. The final…
Q: It is the ratio of the change of the internal energy to the change of temperature a. Specific…
A: As per given question It is the ratio of the change of the internal energy to the change of…
Q: In dynamics, the friction force acting on a moving object is always
A: The given question is related with mechanics . When body does not move if force applied then it mean…
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: True or false For a system to be in thermodynamic equillibrium it is necessary that the pressure…
A: Explanation : A system would be in thermodynamic equilibrium when the system is in thermal ,…
Q: Measured data for pressure versus volume during the compresion of a refrigerant within the cylinder…
A: Given equation as per the questionpVn=ktaking log on both side,we…
Q: Water vapor is cooled in a closed, rigid tank from T1 = 600°C and p1 = 100 bar to a final…
A: T1 = 600 C P1 = 100 bar T2 = 320 C
Q: a. the temperatures, in °F, of the refrigerant in each evaporator. b. the power input to each…
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Q: 4.A quantity of air has a volume of 0.4 m3 at a pressure of 5 bar and a temperature of 80°C. It is…
A: given data- volume of air = 0.4 m3 P1 = 5 bar T1 = 80 degree C P2 = 1 bar to determine-…
Q: 20 kPa pressure difference is equal to .... mercury manometer height. Take mercury specific gravity…
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Q: A piston-cylinder assembly contains a mystery substance that undergoes a series of processes.…
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Q: The pressure of a saturated vapor is a function of: 1. only quality 2. only specific volume…
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Q: Superheated vapor is characterized by the following, EXCEPT: a.Higher temperature (T>Tsat @ given…
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Q: To determine the level of ethanol (ρ = 790 kg/m3 ) in a reservoir, a technician verified that a…
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Q: A condenser vacuum gage reads 715 mm Hg when the barometer stands at 757 mm Hg. State the absolute…
A: Given:Vacuum pressure, Pv=-715 mm HgVacuum pressure ia a negative pressure,Barometer pressure,…
Q: What is the specific volume of water with a temperature of 30°C and a pressure of 1 bar? O a) 4,2469…
A: Given :- Temperature (T) = 30°C = 303 K Pressure (P) = 1 bar = 100 kPa To Find :- Specific Volume…
Q: The atmospheric pressure in a location is measured by mercury ( density of 13,600 kg/m^3) barometer.…
A:
Q: 11. To how many atmosphere pressure must a liter of gas measured at 1 atm, and -20°C be subjected,…
A: Given:V1=1 LP1=1 atm =101.325 KPaT1=-20°C =253 KV2=0.5 LT2=40°C =313 K
Q: A substance with a high volatility
A: Volatility is a material property in chemistry that specifies how easily a substance vaporises.…
Q: The pressure from water mains located at street level may be insufficient for delivering water to…
A: Given Data Patm=14.7 lbf/in² H=20 ft=240 in
Q: 2. At 2:30 pm, a certain themometer reading 90°F is taken outdoors where the air temperature is…
A: Given:- At 2:30 PM, T=90°F and air T=25°F At 2:40 PM, T=40°F At 2:50 PM, T=71°F To find:- Time when…
Q: Air (N, = 77%, O, = 23% by weight) at 20°C and 10 bar is contained in a vessel of capacity of 0.5…
A: Given data: Here, V represents the volume, P1 represents the initial pressure, P2 represents the…
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- Accuracy of a thermometer is more important in the ______temperature ranges.This indoor-outdoor thermometer shows the temperature readings for awinter day. What is the temperature difference?A 120-litre pressure vessel in a laboratory contains 1.587 kg of air. If the room temperature is 22 C and the atmospheric pressure is 101 kPa. What would be the reading on a pressure gauge? Note any assumptions you have made.
- A 60-ft3 compressor tank container has a gauge pressure of 160 Ib/in.2 and a temperature of 75 °F. After some time, , the temperature decreases to 25 °F. Part 2:What are the absolute temperature readings after the temperature decreases?A volume of 45000 mL of air is measured at a pressure of 4.92 in Hg gage and a temperature of 21°C. What is the volume in liters at 190 mm Hg vac. and 32°F? Atmospheric pressure is 101 kPa.A thermometer is removed from a room where the air temperature is 70oF and is taken outside, where the temperature is 10°F. After 1 2 minute the temperature reads 50°F. What is the reading of the thermometer at t = 1min? How long will it take for the thermometer to reach 15°F? [Hint: Use Newton’s Law of Cooling.]
- A vacuum gauge connected to a steam condenser shows that the pressure inside the condenser is 0.702 bar below the atmospheric pressure. If the atmospheric pressure is 1.174 bar, what is the absolute pressure of the steam inside the condenser in kPa?A closed vessel contains air at a pressure of 160 kN/m 2 gauge and temperature of 30 0 C.The air is heated at constant volume of 60 0 C with the atmospheric pressure of 14.7 psia.What is the final gauge pressure in kPaa?yquandj3iakzjwkoqKd ywuajxjeuiqias jgo4oajzuwuq udiqijNxjd 4. At 1:00P.M, a thermometer reading is 70°F is taken outside where the air temperature is -10°F. At 1:02P.M, the reading is 26°F. At 1:05 P.M, the thermometer is taken back indoors where the air temperature is at 70°F. What is the thermometer reading at 1:09P.M?
- A thermometer is removed from a room where the temperature is 70° F and is taken outside, where the air temperature is 10°F.After 3 minutes the thermometer reads 60°F. What is the reading of the thermometer after 7 minutes?The pressure inside a soap bubble of 10 mm diameter above the atmosphere is_____(σ = 0.04 N/m)A manometer is used to measure the pressure of a gas in a tank. The manometer fluid is water (? = 1000 kg/m3) and the manometer column height is 1.8 m. If the local atmospheric pressure is 100 kPa, the absolute pressure within the tank is (a) 17,760 kPa (b) 100 kPa (c) 180 kPa (d ) 101 kPa (e) 118 kPa