Solids and liquids have.. A. One value of specific heat B. Two values of specific heat C. Three values of specific heat D. No value of specific heat
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Q: Power is a Scalar Quantity
A: Yes, Power is scalar quantity. It is true.
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A: Angular velocity is equal 2πN60
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A: Which of the following having direct contact with physical quaintly? Answer: b) Bourdon tube
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Q: The above examples are quantities.
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Q: form of energy which is contained in (possessed by) a body
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Q: 35. What is a temperature of -5°C in degrees Kelvin?
A: Temperature conversion 1°C = 273.15 K
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A: Answer is static friction
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A: Heat flows into a system means the heat is added to the system. So, it is taken as positive.
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Q: (a) Differentiate between Mechanical Work and Mechanical Power.
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Q: A temperature of 31 °C is the same as ________ K.
A: we know that both celsius and kelvin are unit of temperature so that 1 Celsius = 273.15 Kelvin
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Q: When you add heat to a system, by how much does its temperature change?
A: given: When you add heat to a system, by how much does its temperature change?
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A: Given Statement:- The law of energy states that the total energy of a closed system is.......??…
Q: An automobile has a 350-in.3 engine displacement.The engine displacement, in liters, is?
A: 1 cubic inch=0.0163871 liters
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- Heat flow into a system is taken to be and heat flow out of the system is taken as Select one: a. negative, positive O b. positive, negative O c.negative, negative O d. positive, positiveThe following are units of heat except:Select one: a.Cal b.BTU c.0C d.JAn Engineer proposes a new temperature scale based on the freezing point of water at 40 deg. B and the boiling point of water at 50 deg. B. Calculate the equivalent of 40 deg. C. 48 deg. B 44 deg. B 46 deg. B 42 deg. B
- 2. the units for the term associated with pressure are: Answer Choice Group lbm/ft s2 lbf ft/ lbm lbf s2/ lbm lbf ft/sQ2: Define the insulating materials and write the properties of the insulating materials in relation to their heat tolerance33 A device used to measure the heat transferred in chemical reactions and physical changes is called? Select one: a. Barometer b. Calorimeter c. Thermometer d. anemometer
- 35. What is a temperature of -5°C in degrees Kelvin?1. 451.8 C 2. 548.04 kw 3. 765.526 K Need last threeQUESTION 1 A combined separating and throttling calorimeter is used to determine the dryness fraction of steam in a main supply. The pressure of the steam in the main and separator is 900kPa. After throttling the pressure is 160kPa and the temperature is 130°C. During a test 0.08kg of water is collected at the separator and 1.7kg of condensate is collected after throttling. Determine the: 1.1 dryness fraction of the steam in the main supply;
- 5. A gas cylinder of volume 'V' and radius 'r' contains 1.00 mol He at a pressure PHe and 1.00 mol Ar at a pressure of PAr, and both are at a temperature T = 298.0K. At the top of the cylinder is a disc with a radius 'r' that is permeable to He but not Ar. The disc is pushed to the half volume mark. 1. How much work is required for this process to be conducted isothermally and reversibly? 2. How much does AG, AH and AS change for this process? Semi-permeable disc Ar Ar Не Не Volume = V V/2 V/230. A cylinder contains an amount of gas. At pressure of 470 kPa and at temperature of 27°C, the gas occupies a volume of 0.03 m³. It is then compressed according to Boyle's law until its pressure is 1.3 MPa, and then expanded according to Charles' Law until its volume is 0.02 m³. Calculate the final temperature of the gas. a. 292.3500°C b. 248.8500°C c. 216.2250°C d. 280.3181°CMechanical Engineering The specific heat of water is given to be 4.18 kJ/kg.°C. This is equivalent to a. 4.18 kJ/kg. K b. 7.52 kJ/kg. °F c. 0.0153 kJ/kg. K d. 17.5 Btu/lbm. °F e. 277.2 kJ/kg-: K