Question 1Two gas tanks are connected by a cylindrical tube, of length 20 cm and radius 1.5mm. As shown in the diagram, a valve, which allows ideal gases to be exchangedbetween the two tanks, is positioned between the tanks and is initially closed. Bothgases are initially at 25 °C.0.002 m³Valve0.001 m³4/51/5101 kPa10 kPaThe valve is now opened and gas is allowed to flow in the tube at constanttemperature. What is the pressure in the 0.002 m³ tank when the valve is left openand equilibrium is reached? Give your answer to two significant figures and in kPa.

involving a spring-mass system and a lever.Part 1: Spring-Mass SystemThe problem asks you to…

Answered: Question 1 Two gas tanks are connected…

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.

Chapter7: Forced Convection Inside Tubes And Ducts

Section: Chapter Questions

Problem 7.33P

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Benzene at 20 0C is pumped from one storage tank to a reactor (density=878 kg/ m3 ). Volumetric flow rate of benzene is 9.5x 10-4 m3 /s. The difference in the elevations of the two unit is 40m. The tank whichserves as a source is open to the atmosphere while the tank which receives the benzene has a pressure of P2 kPa abs in the vapor space above the benzene. 1‐in, schedule‐40 steel pipe and 2‐in Sch‐40 steel pipe isused in suction and discharge line respectively. Total friction loss of the system given as 135 J/kg . Pressure gauges in the pipeline at the inlet and outlet of the pump read (P3) 34.5kPa and (P4) 1051.6kPa, respectively. Efficiency of pump is %75 a) Calculate the power of pump (kW). (Fluid Mechanics Question) (Please answer it detailed and step by step)
Q1// In a surface condenser, the vacuum maintained is 690 mm of mercury. The barometer reads 750 mm. iF the temperature of the condensate is 20°C , determine:- (a) Mass of air per kg of steam (b) Vacuum efficiency. Assume x=1 .Answer: (3.9 kg/kg) *************************************** *****************************
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A small-scale Compressed Air Energy Storage (CAES) system uses a rigid tank, whichhas been sized to 1m3. The air storage helps support various fluid power (pneumatics)requirements, but also serves for energy storage (when fully charged).The tank sits in a plant room having a temperature of 25oC at 1 atmosphere (101.325kPa).When delivered new and installed the tank (and the ambient air it contains) is assumedinitially at the same steady state conditions in the plant room. The tank can be filled with(dry) air to a maximum pressure of 300bar. When left in the plant room, the pressurised airtank eventually attains the plant room temperature.You may assume:> Steady state conditions apply> Negligible changes in kinetic and potential energy> Thermal mass of the tank (metal) is negligible Apply the ideal gas equation and calculate the mass of 25oC air (units: kg) in the fullypressurised tank.
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Design a hydrocooling unit to cool down fruits and vegetables from 30 °C to 5 °C in 20 minutes at a rate of 20,000 kg of fruit or vegetables/h. The design must fulfill the following requirements: The unit will be an immersion flooded system. It must be able to cool down and transport the products in chill water. The tank has the following dimensions approximate. three meters wide and up to 90 cm hight. The water will circulate and be cooled through the evaporation section of a refrigeration system. The refrigerant temperature inside the coils will be -2 °C, and the water temperature must not drop below 1 °C and must not exceed 6 °C. Assuming reasonable values for the average density, specific heat, and porosity of the product (the fraction of the volume of air in a box), recommend reasonable values for: The speed of the water through the canal, the capacity of the cooling system. the compressor power.
Explain Mass and energy flow rates associated with the flow of steam in a pipe of inner diameter D with an average velocity of Vavg.
Problem 1 R22 saturated at 32°C is throttled to a pressure corresponding to a saturation temperature of 2°C. Determine the extent of flashing of the liquid into vapour.
A car’s tire has a pressure, temperature of 32 psi and 80 deg F, respectively. By mistake,the tire was filled with 0.768 lb of carbon dioxide (R = 0.0451 BTU/lb-R) before deflatingand inflating the tire again with air. Prove that:a. 0.502 lb of air was needed to fill the tire; andb. that there was change of pressure of 6.442 psi when the car started moving andthe temperature increased by 75 deg C.
the question below is already answered in the photos that I provided I only want to ask how did it find the answersSaturated steam at a pressure of 25 psia is sprayed into a stream of moist air. The initial condition of the air is 55 dry-bulb temperature and 35 F de-point temperature. The mass rate of air flow is 2000 lb per min. Barometric pressure is 14.696 psia. Determine how much steam must be added in lb per min to produce a saturated air condition, b) the resulting temperature of the saturated air.my question here is:regarding of the solution pls elaborate how did it get w1 and h1 is it given in the psychrometric chart or it has a specific solution to follow
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