The results of air temperature measurement obtained a dry bulb temperature of 37 ° C and a wet bulb temperature of 27.5 ° C. Using a psychrometric chart, determine the properties of the air as follows: a. RH:% b. Water content: kg water / kg air c. Specific volume: m3 / kg d. Enthalpy: kJ / kg e. Condensation temperature: ° C If the air is within 162 m3 space, determine f. Air weight (dry air and water vapor): kg g. the amount of water content in the space: kg

Q: In distillation of kerosene, a steel pipeline (k = 47 W/m.°C) with inside surface temperature of…

A: Given that, The inside surface temperature of steel pipe T1 = 250oC  Inside diameter D1 = 8 cm =…

Q: piece of beef steak 7 cm thick will be frozen in the freezer room -35 ° C. This product has a…

A:

Q: The exterior wall of an industrial furnace should be covered with a 2-inch-thick thermal insulation…

A: Heat is transferred from a high temperature system to low temperature system. The main driving force…

Q: 2. Two wooden panels of a building's wall are separated by a layer of insulation (Layer B). The…

A:

Q: Choose the correct option: 10. What is the main characteristic of multiple effect evaporators? a)…

A: in multiple effect evaporators 2 or more evaporators are put in series in such a way that steam…

Q: Why the temperature of the gas exiting the CSTR is different from the temperature of the entering…

A: Constant stirred tank reactor (CSTR) is a continuous, perfectly mixed reactor.

Q: A wall of a house is made of 0.2 m layer of brick followed by 0.05 m of plaster. Calculate the…

A: Given data: Thickness of layer of brick = 0.2 m Thickness of plaster layer = 0.05 m Thermal…

Q: 10 cm thick beef steak will be frozen in the freezer room -25 degrees Celsius. This product has a…

A:

Q: The walls of the refrigerated storage room are 10 m long and 3 m high and constructed with 120 mm (k…

A:

Q: To ensure effective heat transfer from the food inside a freezer, the 2-mm thick layer of frost that…

A: Given : thickness of frost layer , x = 2mm              Amibent temperautre , Ta = 20oC…

Q: Use the on-line psychrometric chart (link in this module) to help solve this problem. The surface…

A: Given data: Surface temperature of the steel duct = 18 0C Dry bulb temperature of the surrounding…

Q: A glass coffee pot has a circular bottom with a 9.00cm diameter in contact with a heating element…

A: Given , Diameter , d=9.00cm=9.0×10-2m Heat transfer rate ,Q=50.0W Thickness ,∆x=3.00mm=0.003m Inside…

Q: A composite wall is formed of a 2.5-cm copper plate, a 3.2-mm layer of asbestos, and a 5-cm layer of…

A: Composite wall dimensions are as follows,Thickness of copper plate = 2.5 cm, Thickness of asbestos =…

Q: B. Below is an image of typical data for the thermal analysis of a polymer sample on differential…

A:

Q: The penetration coefficient of A in B is reported at 26 °C, 0.258 cm2 and at the other temperature…

A: Given: Penetration coefficient D1 = 0.258 cm2/sec at T1 = 26 oC and Penetration coefficient D2 =…

Q: Estimate the thermal conductivity of the Meat at 35 ° C. (Water content = 75.0% wet basis). Thermal…

A: Thermal conductivity is the intrinsic property of the material, it actually relates the ability of…

Q: True or False

A: Ans 1- True  2-  False ( because cooling and chilling rate are governed by any of form it can be…

Q: Warm body fiulds remove neat Trom the body as they expelled and evaporated is a prOcess of losing…

A: In the human body, there are five modes of heat loss. They are as follows: Evaporation Respiration…

Q: A solution is made by putting 100 g of NaNO3 into 200 mL of water at 70 degrees C.If the solution…

A: Answer Salt precipitates out is NIL A solution is made by putting 100 g of NaNO3 into 200 mL of…

Q: Problem 2. In cement production the intermediate product which leaves the cement kiln is called…

A: Given that T∞=25 CTi=300 Ch =200 wm2kk=2 wmkTf =50 C

Q: A glass container with an insulating cover with a surface area of (R + 160) cm2 and (R+11) mm thick…

A: Heat transfer is a process by which thermal energy is transferred from a high temperature body to…

Q: 2. A piece of beef steak 10 cm thick will be frozen in the freezer room -25 ° C. This product has a…

A: Thickness of the food product,a=10 cm=10100 m=0.1 m  Freezer temperature, Ta =-25°C=(273-25) K=248 K…

Q: A large plate of aluminum alloy 2024-t6 5.0 cm thick at a temperature of 250°C is exposed to a…

A: The characteristic length is obtained from the ratio of volume and area. The length is obtained in…

Q: Consider that an iron is forgotten to be open throughout two days while its surface temperature is…

A: As given heat transfer is taking from iron to air ,it is a convection mode of heat transfer.…

Q: Problem 1. A copper slab of thickness 2mm is coated with lead of thickness 1mm on one side. Lead…

A:

Q: The heat coefficient (h) in forced convection is higher than in free convection Select one: OTrue…

A: Heat transfer coefficient for forced convection is higher than free convection. Select this sentence…

Q: Problem 4. A mixture of copper (A) and calcite (B) solid particles are separated by hydraulic…

A: Assumption: Stoke's law is valid i.e. Flow is laminar and Re < 1; Given:              ρA = 555.6…

Q: When a cube shaped ice sample with a side length of 2.16 cm is brought to the final temperature from…

A:

Q: A two layer wall is to be constructed having dimensions 4 m (width ) by 3.0 m (height). The wall is…

A: Given data: Height of wall = 3 m Width of wall = 4 m Thermal conductivity of brick = 0.72 W/m.0C…

Q: A semi-infinite solid is initially at a temperature of 0°C. The surface is suddenly exposed to the…

A: Initial temperature of the solid, T0 = 0ºC Temperature of the solid at depth x, Tx = 2ºC Surrounding…

Q: A composite wall is formed of a 2.5-cm copper plate, a 3.2-mm layer of asbestos, and a 5-cm layer of…

A: Composite wall dimensions are as follows,Thickness of copper plate = 2.5 cm, Thickness of asbestos =…

Q: Estimate the thermal conductivity of benzene at 30C.

A: Temperature= 300CDensity of benzene at 300C ,d= 875 kg/m3Molar mass of benzene, M = 78specific heat…

Q: A piece of beef steak 7 cm thick will be frozen in the freezer room -40 ° C. This product has a…

A: The freezing time is to be calculated.

Principal Quantities and EOS

A physical quantity represents the physical state of a system. It is expressed as the product of a number and unit. The basic quantities used in science are length, mass, and time. The principal quantities are the quantities that are independent of other quantities.