Answered: Calculate the quantity of heat to be…

Calculate the quantity of heat to be transferred in BTU to 3 kg of brass to raise its temperature from 26.7°C to 239.9°C The specific heat of the brass is 0.394 kJ/kg k.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter1: Basic Modes Of Heat Transfer

Section: Chapter Questions

Problem 1.78P: What are the important modes of heat transfer for a person sitting quietly in a room? What if the...

See similar textbooks

Related questions

Q: The properties of a closed system change following the relation between pressure and volume as pV =…

Q: The mass of air in a room 3 X 4 X 20 m is known to be 200 kg. Determine the specific volume: u=0.5…

Q: soap bubble with a diameter of 2.03" is to be enlarged by blowing air into it. If the surface…

A: Given:d1=2.03 inσ=0.0041 lbf/ftd2=4.85 in

Q: A piston cylinder assembly was insulated so that no heat could get in or get out. If the system was…

Q: (1) Ah (enthalpy change) in kJ/kg = (2) Au (internal energy change) in kJ/kg = (3) PAV (the change…

Q: In an industrial process, 300 kJ of work is needed to compress 4 kg of nitrogen. During compression,…

A: Given:- Mass, m=4 kg Work done, W= -300 kJ Heat transferred, Q= -270 kJ To find:- Change in internal…

Q: soap bubble with a diameter of 2.12" is to be enlarged by blowing air into it. If the surface…

Q: 350 kJ of heat is added in a piston-cylinder arrangement containing air causing it to expand in a…

Q: 25. Determine the total energy required to accelerate a 1800-kg car from 10 to 60 km/h on an uphill…

Q: he specific heat of water is 4.2 kJ/kg°C. The heat needed to warm 8 kg of water from 20°C to 70°C is

Q: Determine the total work produced during this process, in kJ.

Q: n an experiment, the air is heated at constant pressure from 1.7 m3, 29 0C and 97 kPa to 419 0C. It…

Q: A piston–cylinder device contains 4 kg of argon at 250 kPa and 35°C. During a quasi-equilibrium,…

A: Given data: The mass of the argon is m=4 kg The pressure of the argon is P=250 kPa The temperature…

Q: Question 2: A circuit board houses on its surface 120 closely spaced logic chips, each dissipating…

A: Write the given data with suitable variables. q=0.12 WA=15 cm×20 cm=0.15 m×0.2 m100 cm1 mn=120t=10 h

Q: piston cylinder device which is designed to perform an isobaric process contains 1-lb of hydrogen…

A: Given data m=1lb Change in temperature=700F Take value of R for H2 =8.3142= 4.157 kJkgK…

Q: 1-m3 of saturated liquid water at 200°C is expanded isothermally in a closed system until its…

A: Volume of water = 1 m3 Temperature T1 =2000 c

Q: 1) An ideal gas' temperature changes from 300 K to 500 K. Determine its change in specific internal…

Q: carbon dioxide gas (R = 0.18896 kJ

Q: Determine the Kinetic energy in BTU of a 7 lbm block moving at a velocity of 85 ft/s

A: given weight = 7 lb and velocity ,v=85ft/s

Q: The specific heat capacity of steel is 450 J/kg⋅∘CJ/kg⋅∘C. Find the amount of heat that is needed to…

A: Given, Specific heat of steel, Cp=450 J/kg °cmass of steel, m=5kgTemperature change, ∆T=(130-0)° c…

Q: The pressure of a gas in piston-cylinder varies with volume according to PV=C. The initial pressure…

Q: When an object of 4 kg changes it’s velocity from 10 to 30 m/s, what is its kinetic energy change…

A: mass m=4kg initial velocity V1=10m/s final Velocity V2=30m/s To Find the kinetic energy change in KJ

Q: house 30 by 50 by 40 feet from 10 to 70°F. The density of air is about 0.080 lbs/ft

Q: The enthalpy of air is increased by 139.586 KJ/kg in a compressor. The rate of air flow is 16.42…

A: Given data, h2-h1 = 139.586 kJ/kg m= 16.42 kg/min Power input = 48.2 kW

Q: 500J/(Kg.°C) is: The quantity of heat required to raise the temperature of 500 g of iron by 2 C…

A: Given, Mass of iron = m = 500 g = 0.5 kg Change in temperature = ΔT = 2 oC Specific heat capacity of…

Q: A spring-loaded piston-cylinder device contains 2.5 kg of carbon dioxide. This system is heated from…

Q: Determine the energy transferred by conduction in 31 minutes, between the two faces of a concrete…

A: Time, t=31 minutes = 31*60=1860 sec Wall Area, A=24.2 m2 Wall thickness, L=29.2 cm=0.292 m Inside…

Q: The heat capacity of a liquid is 250 J/K, if its mass is 50 kg the specific heat capacity of the…

A: To find : The specific heat capacity of the liquid. Given data : The heat capacity of a liquid is…

Q: 500 J/(Kg.°C), is The quantity of heat required to raise the temperature of 500 g of iron by 2C…

A: From the given data, Mass of iron = m = 500 g = 0.5 kg Change in temperature = ΔT = 2 oC Specific…

Q: In a piston cylinder device, 15 kg of air is heated from 25°C to 77°C by passing current through a…

Q: enlarged by blowing air into it. If the surface tension of the soap solution is 0.0047 lbf/ft,…

Q: Calculate the quantity of heat to be transferred in BTU to 4.17 kg of brass to raise its temperature…

A: Handwriting.jpg

Q: Air is expanded in a frictionless piston cylinder arrangement at a constant pressure of 200 kPa from…

A: Given:- For constant pressure P= 200 kPa V1=0.1 m3 V2=0.3 m3 For constant temperature V1=0.3 m3…

Q: A quantity of wet steam of mass 0.15 kg is trapped in a cylinder behind the leak-proof piston. The…

Q: 500//(Kg.°C), is: The quantity of heat required to raise the temperature of 500 g of iron by 2°C…

A: Given:mass of iron, m=500 gIncrease in temperature, ∆T=2°Cspecific heat of iron, Cp=500 J/Kg.°C

Q: In a turbine 1,308 kW is produced by expanding an exhaust gas entering at 2.2 MPa and 662 K to a…

A: Given data:-Power produced by the turbine, P=1308kWInlet pressure, P1=2.2MPa=2200kPaInlet…

Q: Determine the heat transfer to the air in kJ, ignoring friction

Q: A mass of 15 kg of air in a piston-cylinder device is heated from 25 to 77°C by passing current…

A: Heat is a form of energy which occurs due to the thermal variation. It transfers from the high…

Q: The heat capacity of a liquid is 250 J/K, if its mass is 50 kg the specific heat capacity of the…

A: Find the specific heat capacity of the liquid.

Q: A gas at 20deg C and 0.21 MPa abs has a volume of 41 L and a gas constant R of 120 m N/ (kg-K).…

Q: THERMODYNAMICS 1. Calculate the amount of energy required in BTU to heat the air in a house 30 by…

A: Note:- As per our guidelines we are supposed to answer only one question. Kindly repost other…

Q: A gas is contained in a vertical piston–cylinder assembly by a piston with a face area of 50 in2 and…

A: Calculate the pressure exerted by gas on the piston.

Q: to be enlarged by blowing air into it. If the surface tension of the soap solution is 0.0038 lbf/ft,…

Q: 12) An aluminum cup of mass 200 g contains 800 g of water in thermal equilibrium at 80.0°C. The…

A: Given: The mass of the aluminium cup is mal=200 g=0.200 kg, The mass of the water is mw=800 g=0.800…

Q: the work done

A: Given: Constant pressure process R=0.287 kJ/kgK m=0.75 kg Change in temperature=7 degree To…

Q: A soap bubble with a diameter of 2.28" is to be enlarged by blowing air into it. If the surface…

Q: 21.313 kg per second of water at 0.03398675 kbarg and internal energy of 15000 kW is heated at…

Q: Propane (MW = 44 ; k = 1.13) initially at 30 psia and 215°F, is stored inside a large spherical…

A: Given: The molecular weight of propane is mw=44 kg/mol. The heat ratio is k=1.13. The value of…

Question

Calculate the quantity of heat to be transferred in BTU to 3 kg of brass to raise its temperature from 26.7°C to 239.9°C The specific heat of the brass is 0.394 kJ/kg k. answer in 3 decimal places.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

What are the important modes of heat transfer for a person sitting quietly in a room? What if the person is sitting near a roaring fireplace?
2.34 Show that the temperature distribution in a sphere of radius . made of a homogeneous material in which energy is released at a uniform rate per unit volume , is
The piston of a vertical piston-cylinder device containing a gas has a mass of 40 kg and a cross-sectional area of 0.012 m2 . The local atmospheric pressure is 95 kPa, and the gravitational acceleration is 9.81 m/s2 (a) Determine the pressure inside the cylinder. (b) If some heat is transferred to the gas and its volume is doubled, do you expect the pressure inside the cylinder to change?
19. Calculate the density of a gas at 188psia and 82°F when its specific volume is 2ft3 /lb at 14.7psia and 32°F.a. 5.6800lb/ft3 b. 5.8047lb/ft3 c. 5.7411lb/ft3 d. 5.7429lb/ft3
Determine the amount of mass that enters the tank, in lb, and the heat transfer to the tank from its surroundings, in Btu.
Determine the Kinetic energy in BTU of a 8 lbm block moving at a velocity of 85 ft/s.
A 20lbm object is located 300 ft above the ground. What is the potential energy of the object in lbfft, BTU, and cal?( 3pts
A 3-kW resistance heater in a water heater runs for 2 hours to raise the water temperature to the desired level. Determine the amount of electric energy used in both kWh and kJ.
3. A lumped system with a volume of 0.003 m³ and a surface area of 0.08 m² is made of a material with density of 3800 kg/m³, thermal conductivity of 300 W/m K, and specific heat of 200 J/kg K. If the system is exposed to a convection environment with h = 60 W/m2 K, what is the approximate time it will take for this system to reach equilibrium with the environment? Express your answer in minutes.
In a piston cylinder device, 15 kg of air is heated from 25°C to 77°C by passing current through a resistance heater inside the cylinder. The initial pressure in the cylinder is 300 kPa and in the process 60 kJ of heat is lost to the environment. Determine the electrical energy supplied during the process and express it in units of kWh.
In an experiment, the air is heated at constant pressure from 1.7 m3, 29 0C and 97 kPa to 419 0C. It is then cooled at constant volume back to its initial temperature. Calculate the specific heat transfer in the constant pressure process in the correct unit in SI and 1 decimal place. Take Specific heat at constant pressure and constant volume for air as 1.006 kJ/kg K and 0.717 kJ/kg K respectively.
Calculate the quantity of heat to be transferred in BTU to 3 kg of brass to raise its temperature from 26.7°C to 239.9°C. The specific heat of the brass is 0.394 kJ/kg.K.