Which of the following majorly affects the phenomenon of concentrating sunlight? OPTIONS: 1.All 2.Non-reflecting surface 3.Black surface 4.None 5.Geometry of the reflecting structure 6.Type of food

Q: A hexagonal prism of base edge 30 mm and height 50 mm is resting on HP with its base and one of its…

A:

Q: A 10-mm-thick workpiece, initially at 25°C, is to be annealed at a temperature above 725°C for a…

A: Given : The thickness of workplace is t=10 mm The initial temperature is Ti=25°C The annealed…

Q: 2. Only one side of the wall of the room which is the one 12 meter in length are subjected to the…

A:

Q: Explain briefly. Solar Energy limitations

A: Solar energy is a renewable source of energy and can every useful where adequate sunlight is…

Q: 24. A house is being built at a latitude of 36° south. A heat input of 500 MJ of solar energy is…

A:

Q: Find F12 and F21 for the following objects. a) Figure a shows a sphere placed inside a cube. The…

A:

Q: Time left The amount of solar irradiation collected on a surface over a 12-month period is 350…

A: Given Total radiation received = 350 kWh/m2 Time = 12 months To find Average solar radiation

Q: ) Define Stefan-Boltzmann Law and emissivity. b) Is there any surface whose emissivity value is…

A:

Q: .88 (TOP) 3.00 2,00 1.40 .56 .44 A 44 .40 ,56 (FROOT) (siDE) 1,50 E .75 .44 M. 16 12

A: Q 17. Ans :- The line Y in the top view is represented by line N in the front view. Q 18. Ans :- The…

Q: A solar water heating system with a planar collector will be built for a site in the province of…

A: solution given below:

Q: What would be direct beam insolation on the collector at solar noon for days when a south-facing…

A: In general, the optimum orientation of collector in the northern hemisphere is true south. But we…

Q: The inverse square law of heat states that intensity of radiation is not inversely proportional to…

A: True

Q: Explain the effect of noise on humans when they are undergoing prolong and continuous exposure?

A: Introduction:   In general, hearing loss is the third most frequent long-term health problem.…

Q: Which of the following statement is True; Anybody less than O K will radiate b. Only the solid black…

A: Option c is correct.

Q: The velocity of light in space is approximately186,000 mi/s. The velocity of light in units of…

A: Given: The velocity of light in space is V=186000 mi/s.

Q: Complete the table and calculate for the area of the field of vision from the image. (provide…

A: Given : To find : Calculate area

Q: A ballet dancer is on stage dressed in a green body suit. How could you light the stage so that the…

A:

Q: k=0,2W/mC L = 5m Top = 15°C T R=0,1m h=5W/m² 30°C

A:

Q: what are the limitations of a  total radiation pyrometer?

A:

Q: How is the electrical load changed in the experiment? O a. By covering the solar with your hand O b.…

A: following is the explanation-

Q: A black surface will not receive and emit the maximum amount of energy. Select one: O a. False O b.…

A: According to kirchoff's law of thermal radiation whenever a body is in thermal equilibrium within…

Q: Calculate the emitted heat flux from the surface in W/m2

A: Solution:

Q: GER SCALE 9 v 1.3- A 3"-2 ACME .75 1.5 "5 SECTION A-A Ø3.75- D-50 Top and front views of the…

A: Adjusting screw is a screw with threads from 40 to 100 threads per inch. Typically stainless steel…

Q: a) What fraction of the radiation is from 0 to 4 micrometers? What would the fraction be from 4 to 6…

A: Given: The surface temperature Ts=300 K ε1=0.75, ε2=0.1, ε3=0.8

Q: 2. Which of the below figures is the right-side view of the object shown in the illustration below?…

A: Introduction: Principal planes are horizontal or vertical planes that are parallel to one another.…

Q: Select the sectional view that will be produced by the cutting plane.

A: According to the details provided in the question, we need to SECTION VIEW. I am using solid works…

Q: Describe the construction and working principal of a total radiation pyrometer.

A: Construction and working principal of a total radiation pyrometer :-  Thermal radiation is an…

Q: Which of the following is the reflected ray for ray 3?       a     b     c     d

A:

Q: A DVST, or Direct View Storage Tube, is a kind of optical storage medium.

A: Introduction A direct-view storage tube is similar to a cathode ray tube in that it employs an…

Q: Which one of the following is not the source of infrared radiations?     X-ray tube     Ovens…

A: As from the above given options

Q: Which of the following type of waves will be noticed in nuclear radiations; a. None of the options…

A: Nuclear radiation refers to the emission of the particles and photons which are involved in the…

Q: What is the effect of acceleration on a beam of light shone horizontally at one wall?

A: Since the accelerated elevator moves up during the time light travels across the elevator, the…

Q: Heat is transferred from hot, freshly cooked pasta to cold water it is rinsed in through:

A: Given data: Heat is transferred from hot,freshly cooked pasta to cold water it is rinsed in…

Q: Stefan-Boltzmann law. Thermal radiation by a grey body.

A: Given question: Stefan-Boltzmann law and thermal radiation by a grey body.   The given question is…