(b) A photovoltaic cell can entrap maximum energy if the sky is clear on a sunny day. Evaluate the monthly average clearness index at a surface located at 30° N on March 16th if the daily average terrestrial radiation on a horizontal surface 28.1 MJ/m²/day.
Q: 1. Determine the force in members JI, IC, and CD of the truss. State if the members are in tension…
A:
Q: A perfect gas undergoes isothermal expansion, which increases its volume by 2 dm3. The final…
A:
Q: A motorist starts from rest at point A on a circular entrance ramp when t=0, increases the speed of…
A: The given information in the problem is shown in the following attached image:
Q: Two hundred kg/hr of air at 28°C and 50% relative humidity is then heated to 50°C, passed through an…
A: Given Data The temperature at the first condition is: T1=28°C The temperature at the second…
Q: please anwer all the subquestions. thank you. 1. Air at 30°C db & 50% RH Solve for the following:…
A: Given: Dry bulb temperature of air: →DBT=30°C Relative humidity: →RH=50% At the above condition:…
Q: Q3: A rough pipe has a diameter 80 mm. the velocity at a point 30 mm from the wall is 30% more than…
A: Given information: Let us consider the data, Diameter, d=80 mm The velocity at 30 mm=v1 The velocity…
Q: Solve for the response of: d²y dx² dy .5 dx + 4y = 0, y(0) = 1, y =
A:
Q: Carbon dioxide (CO₂) fills a closed, rigid tank fitted with a paddle wheel, initially at 80°F, 50…
A:
Q: A piston-cylinder assembly contains 2 lb of water, initially at 100 lbf/in.² and 600°F. The water…
A:
Q: UPVOTE WILL BE GIVEN. PLEASE WRITE THE COMPLETE SOLUTIONS. PLEASE ANSWER ALL THE SUBQUESTON WITH…
A: Given Data The temperature of air is: DBT=30°C The relative humidity is: RH=50% To Determine a. RH…
Q: A piston–cylinder assembly contains 2 lb of water, initially at 100 lbf/in.2 and 400°F. The water…
A:
Q: The cylindrical rod AB has a length L=6 ft and a 1.25-in. diameter; it is made of a mild steel that…
A:
Q: As shown in the figure below, a cylinder fitted with a piston is filled with 600 lb of saturated…
A: Givenm=600lbT=15oFmp=1tond=2.5 ft
Q: To put lattice defects in perspective, consider a metal blank that has a dislocation density of 10^3…
A: Given DataDislocation Density=103mm-2Dislocation Volume=103mm3Increased Dislocation Density=1010mm-2…
Q: Derive the element stiffness matrix for the nonprismatic bar, using quadratic shape functions…
A:
Q: 1. Write a note on toughness mechanism in brief. 2. What is the standard size of square and round…
A:
Q: Draw the shear and moment diagram for the given beam, w1-16 kN/m w2=48 kN/m P1=50 kN L=6m Answer the…
A:
Q: Completely solve and box the final answers. Write legibly Two moles of gas (O2) initially kept in a…
A:
Q: A piston-cylinder assembly contains 2 lb of water, initially at 100 lbf/in.² and 350°F. The water…
A: The given information in the problem is listed in the following attached image:
Q: Saturated water vapor is contained in a rigid container. Its energy is then increased until the the…
A:
Q: A wheel has an initial clockwise angular velocity of 12 rad/s and a constant angular acceleration…
A:
Q: Find the fluid force on the vertical side of the tank, where the dimensions are given in feet.…
A:
Q: 7- Listed in the tables are five springs described in SI units. Investigate these squared-…
A:
Q: 6 (10 points) A hydraulic lift is used to lift a large mass = 870-kg using oil (SG = 0.8) as the…
A: Option D is correct.
Q: Find: State-space representation Note: Output of mechanical system is X3(t) Given: M1=1 kg,…
A:
Q: 2. Determine the forces in member BC, BE and EF of the truss shown in the figure by Method of…
A: Dear student, as per the given diagram the data given is wrong. As per my knowledge, I have…
Q: A room contains air at 20°c (Psat = 2.339 kPa) and 98 kPa at RH of 85%. Determine the following:…
A:
Q: 8. Derive the transfer function X₁ (s)/F(s) for the mechanical system shown in Assume the following…
A:
Q: The x-coordinate of a particle in curvilinear motion is given by x= 4.8t³-2.7t where x is in feet…
A:
Q: Make a graphical plot of ISO cleanliness classes 1 to 4 for particle sizes 0.1 to 1um
A: Given question: Make a graphical plot of ISO cleanliness classes 1 to 4 for particle sizes 0.1 to…
Q: B. Find the tangential vector (T), normal vector (N) and binomial vector (B) for the position vector…
A:
Q: An elastomeric bearing (G = 130 psi) is used to support a bridge girder as shown to provide…
A: Given Shear stress = 60 psi Load, P = 4.7 kip Find Dimension, b Thickness, a
Q: Calculate the impact load induced by a 10-lb free falling rigid body on a 12-in long vertical bar…
A:
Q: In the hanger shown in figure 2, the upper portion of link ABC is 3/8 in. thick and the lower…
A:
Q: For the tank in the figure, calculate the volumetric flow of water, which comes out through a pipe,…
A: GivenP1=140kPah1=2.5mV1=0P2=0V2=?h2=0d=0.5m
Q: Steam, initially at 700 lbf/in.2, 550°F undergoes a polytropic process in a piston-cylinder assembly…
A:
Q: standard vapor compression cycle a condensing temperature of 36 The heat extraction rat
A: GivenStandard vapour compression cycleRefrigerent =R134aT2'=36oCT1=-5oCQL=30kW
Q: Disposal Instruction of grinding machine
A: Grinding Machine : A grinding machine is machine which is used rough rotating abrasive wheel which…
Q: Given the cable tension T = 80 lb, determine a) the moment about point A due to T, and b) the…
A: Given Tension, T = 80 lb Distance, AB = 32 in Find Moment, A Shortest distance x
Q: Required information NOTE: This is a multi-part question. Once an answer is submitted, you will be…
A:
Q: A 50-ft³ container of helium has a (absolute) pressure = 90 psia and a temperature = 75 °F. The mass…
A:
Q: As shown in the figure, an inclined manometer is used to measure the pressure of the gas within the…
A:
Q: Consider two degree of freedom of coupled pendulum with horizontal rod vibration system are shown in…
A: Given: To find: Equation of motion State space model
Q: 21 ell m O 9 Let the position vector for m have the form A particle of mass m is suspended by a…
A:
Q: Suppose a weight of mass 5 kg is attached to a spring with spring constant k = 5 N/m and damping…
A: Given: Mass→m=5 Kg Spring constant→k=5 N/m Damping constant→C=10 Ns/m Because natural frequency:…
Q: The difference in water surface levels in two tanks, which are connected by three pipes in series of…
A:
Q: An oil tanker 3m wide 2 m deep and 10 m long contains oil of density 800 kg/m3, if the tanker is…
A:
Q: Steam, initially at 700 lbf/in.2, 550°F undergoes a polytropic process in a piston-cylinder assembly…
A:
Q: 2. A pressure gagê registers 50 psi, in a region where there barometer is 14.25 psigtm. Find the…
A: Given:Pressure registered by pressure gauge, Pg=50 psigBarometric pressure, Patm=14.25 psi
Q: Consider a large plane wall of thickness L = 0.2 m, thermal conductivity k = 1.2 W/mK, and surface…
A: Given: L=0.2 mk=1.2 W/mKA=15 m2heat generation qg=500 W/m3at x=0, T=60oCTa=20oCh=200 W/m2K To find:…
Step by step
Solved in 2 steps
- Q1. A solar collector consists of a horizontal copper tube of outer diameter 5 cm enclosed in a concentric thin glass tube of diameter 9 cm. Water is heated as it flows through the tube, and the annular space between the copper and the glass tubes is filled with air at 1 atm pressure. The emissivities of the tube surface and the glass cover are 0.85 and 0.9, respectively. During a clear day, the temperatures of the tube surface and the glass cover are measured to be 60°C and 40°C, respectively. Determine the rate of heat loss from the collector by natural convection and radiation per meter length of the tube.1. A window is 2.1 m high and 4.2 m long. A horizontal diffuse reflector is placed in front of the window. It is hinged at the bottom edge of the window so that when raised to a vertical position against the window it just covers the window. During daylight hours, the reflector is lowered to its horizontal position, Radiation data for an hour are I = 1.61 MJ/m2,la = 0.33 MJ/m2,l, = 1.28 MJ/m2, and R, = 2.31. (a) If the (diffuse) reflectance of the reflector is 0.85, what will be the total radiation per %3D %3! %3D unit area on the window? (b) If the diffuse reflectance drops to 0.7, what will be the total radiation per unit area on the window?Ex1. A thin-walled cubical container that is 0.5 m by 0.5 m by 0.5 m is filled with ice water. The container is inside another .cubical container and the 3 cm gap between the containers is a vacuum. The outer surface of the inner container has an emissivity of 0.1 and a temperature of 1 C. The inner surface of the outer container has an emissivity of 0.3 and a temperature of 19 C. (a) What is the rate of heat transfer to the ice water? (b) If the container initially contains 1/2 ice and 1/2 water by volume, how long will it take for all the ice to be melted?
- A solar pond, 1.5 m deep, is built in Pondicherry (11°56' N). The horizontal pyranometer placed beside the pond on April 20 at 1.300 following values of global and diffuse radiation are measured by a Ia=0.210 kW/m² Calculate the variation of the solar radiation flux as it penetrates through the pond.What do you mean by Natural greenhouse effect and Man made greenhouse effect? Which one is better for sustenance of life on earth? Give any two justifications.The solar power striking Earth every day averages 168watts per square meter. The highest ever recorded electricalpower usage in New York City was 13,200 MW. A recordestablished in July of 2013. Considering that present technologyfor solar energy conversion is about 10% efficient,from how many square meters of land must sunlight becollected in order to provide this peak power? (For comparison,the total area of New York City is 830 km2.)
- At midday when a black paved airport runway is directly under the Sun, it receives 800 W of solar power per square meter of surface from the Sun. If this hot surface loses energy only by radiation back into the atmosphere, what is its equilibrium temperature (in K)? You may use an emissivity of e = 1 for a black surfaceThe outer surface of a charcoal burner has a temperature of 300 C. The fan, near the charcoal burner, is used to provide oxygen to the burning charcoal. If it has a surface temperature of 70 C, what is the net radiant energy, in W/m² exchange between the charcoal burner and fan? Use an emissivity coefficient of 0.8. а. 3910 с. 4730 b. 4260 d. 4970 An aluminum alloy contains 0.091 mol aluminum and 0.038 mol of magnesium. Determine the mass percentage of magnesium in the alloy. а. 22.7 с. 31.5 b. 27.3 d. 39.2> 15 of 15 13.33 13-33 Consider a person whose exposed surface area is 1.9 m², emissivity is 0.85, and surface temperature is 30°C. Determine the rate of heat loss from that person by radiation in a large room whose walls are at a temperature of (a) 295 K and (b) 260 K.
- What is the solar radiation on a horizontal surface in the absence of the atmosphere at latitude 36° N on March 15 for one day?The amount of radiation received per unit time by a person working near a radioactive source, commonly called the dose rate, is measured in rem hr-1. The safety regulations forbid dose rates in excess of 7.5 × 10-4 rem hr-1. The γ dose rate from the 4219K source is found to be 3 × 10-3 rem hr-1 at a distance of 1 m. What is the minimum distance from this source at which itis safe to work? After how long will it be safe to work at a distance of 1 m from the source?Solar power plant in the south side generates 22 MW output within a 7.2 hrs peak sunlight. What is the solar panel wattage ratings if it uses 250 solar panels? 515.5 KW 498.5 KW 475.2 KW 457.15 KW