A tank contains 5,810 lbs of water at room temperature. How many hours would it take to empty the tank if a pump removes 1 gallons of water from the tank every minute.

Q: The density of atmospheric air varies with elevation, decreasing with increasing altitude.

A: The density of air decreases as the elevation from sea level increases. The decrease in density…

Q: A system including a movable part, a piston, undergoes two stages. In the first stage, the system is…

A:

Q: What will the absolute pressure be at that point?

A: Given Data: V = 300 in.3 T1 = 62°Fp1 = 120 lb/in.2 T2 = 90°Fp2 = ?   Convert p to absolute pressure.…

Q: 2.A manometer is used to measure the pressure in a tank, the fluid inside the manometer has a…

A:

Q: determine the weight of the air in lbf contained in a room whose dimensions are 6.6m x 9.6m x 8.4 m.…

A: Calculated the weight of the air in lbf .

Q: 1- The water in a tank is pressurized by air, and the pressure is measured by a multifluid manometer…

A: Given data:

Q: The energy required to raise the temperature of a unit mass of a substance by one degree is known as

A: The energy required to raise the temperature of a unit mass of a substance by one degree is known as…

Q: If the specific volume of a certain gas is 0.852 m/kg, what is its specific weight? 11.51 N/m? 15.21…

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Q: An airplane weighing 20,896.36 lb, at ground is flying at an altitude of 31,529 44 ft at 524 miles…

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Q: A fish tank that contains 60 cm high water is moved in the cabin of elevator. Determine the pressure…

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Q: A fixed mass of gas undergoes changes of pressure and volume as shown below.

A: Given: Some process are there,Process PQ=8 kJ heat are absorbed,Process QR=3 kJ of work is…

Q: What is the difference between pound-mass and pound-force?

A: The main difference between pound-mass and the pound-force is that one is the unit of mass, and…

Q: Describe the difference between specific volume expressed on a mass basis and a molar basis.

A: Specific volume on the mass basis is Specific volume is defined as the ratio between the volume to…

Q: In a stationary fluid, The rate of increase of pressure in

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Q: The specific volume of a liquid is the :reciprocal of weight density O specific volume specific…

A: The specific volume of a liquid is the reciprocal of: Answer: mass density

Q: A fish tank that contains 60 cm high water is moved in the cabin of elevator. Determine the pressure…

A:

Q: The temperature of a system rises by 130°C during a heating process. Express this rise in…

A: Given: The temperature rise of a system is T1=130°C. The unit conversion factor from Celsius to…

Q: A compressed air tank contains 5 kg of air at a temperature of 80def C. A gage on the tank reads 300…

A: T= 80°C = 353K m= 5 kg  Gauge pressure is 300 kPa  So absolute pressure is P= 300+101.325 = 401.325…

Q: A horizontal pipe has a sudden expansion from diameter 8 cm to diameter 16 cm as shown in Figure…

A: We have given

Q: Inside a 150 m3 room is a 30 m3 inflated balloon. The room temperature is 28oC and the initial…

A: (a) Calculate the initial mass of the air inside the room by using ideal gas equation.…

Q: Q1/ A vessel having a capacity of 0.05 m3 contains a mixture of saturated water and saturated steam…

A: Given, Volume, V=0.05 m3 Temperature, T=2450C The mass of the liquid, mf=10 kg

Q: The atmospheric pressure at sea level is 101 kPa. If at an elevation 10,000 ft above sea level…

A: It is known that change in pressure with height is directly proportional to the decrease in height…

Q: 4. A beer barrel has a mass of 10 kg and a volume of 20 liters. Assuming the density of beer is 1000…

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Q: (b) A horizontal pipe has a sudden expansion from diameter 8 cm to diameter 16 cm as shown in Figure…

A: Inlet condition d1= 8 cm ,v1= 10 m/sec,P1= 410 kPaOutlet condition d2= 16 cm ,v2=?P2=?As horizontal…

Q: A vacuum gauge connected to a steam condenser shows that the pressure inside the condenser is 0.783…

A:

Q: A piston-cylinder contains 2 lbm of water. The initial volume is 0.1 ft3. The piston rises, causing…

A:

Q: A vacuum gauge connected to a steam condenser shows that the pressure inside the condenser is 0.751…

A:

Q: A gas initially at an absolute pressure of 30 in Hg and 20 °C heat undergoes a process to an…

A: Given:P1=30 in H1gT1=20°CP2=50 in HgT2=50°CV2=8 ft3

Q: The weight of a 25 lbm mass at sea level is:

A: Given:m=25 lbmT=-40° F

Q: Q2: A cylindrical tank contains air, oil and water, as shown in the Fig; the air is under gage…

A: The exit velocity is 23 m/s.

Q: Why does ocean water temperature vary with depth?

A: The surface of ocean water is exposed to the environment which receives a lot of geothermal energy…

Q: The quality % (0 to 100) The specific volume in m3/kg, The density in kg/m3

A: quality = mass of fluid / total mass of mixture so quality = 15%

Q: ees. Oil (µ = 0.02

A: given:θ=30µ = 0.025 Pa.sA=0.1×0.1Y=0.5mmu=0.2m/s

Q: c) The water in a tank is pressurized by air, and the pressure is measured by a multifluid manometer…

A: Atmospheric pressure P0=85.6 kPah1=.1 m ,h2=.2 m and h3=.35 mρw=1000 kg/m3 ρoil=850 kg/m3ρHg=13600…

Q: Find the weight of a 50 kg person in N, kgf, lbf, and poundal at standard conditions if 1 kgm = 2.20…

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Q: An airplane weighing 20,950.1 lb, at ground is flying at an altitude of 32,557.43 ft at 543 miles…

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Q: how many meters is the water height in the manometer?

A: In this question, differntial pressure is given as 1in 20 atmospheric pressure which is not so…

Q: The pressure of a saturated vapor is a function of: 1. only quality 2. only specific volume…

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Q: A PISTON-CYLINDER SYSTEM CONTAINS A GAS WHICH EXPANDS UNDER A CONSTANT PRESSURE OF 1200 LB/FT². IF…

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Q: A fixed mass of gas undergoes changes of pressure and volume as shown below. R. P

A: Givenalong path PQRQPQR=8kJWPQR=3kJalong path PSRQPSR=?WPSR=1kJ

Q: As shown in the figure below, a hydraulic system has two pistons of different diameter and uses a…

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Q: Inside a 150 m' room is a 30 m' inflated balloon. The room temperature is 28°C and the initial…

A: Calculating intial mass of the air inside the room by using gas equation-PiVi=mRTi

Q: A water storage tank contalns Liquid and Vapor in equilibruim at lloE. The distance from bottonm of…

A: Saturation Pressure: The pressure exerted by the vapor when it is in equilibrium with the liquid is…

Q: A vacuum gauge connected to a steam condenser shows that the pressure inside the condenser is 0.702…

A: here gauge pressure is below the atmosphere  so, gauge pressure = -0.702 bar atmospheric pressure  =…

Q: A bedroom has a volume of 115 m^3. What is its volume in: km^3

A: given: A bedroom has a volume of 115 m^3. What is its volume in: km^3

Work and Heat Transfer

It is generally related to thermal engineering which tells about the use, creation, conversion and transfer of heat energy between the systems. It is also considered that to transfer heat from one source to another, transfer of masses is also required. There are various mechanisms by which, transfer of heat takes place i.e. thermal conduction, convection, radiation or by change of phase. All these mechanisms have their own specific features which sometimes occur simultaneously within the same system.