An unknown lamp placed 6m from a photometer screen provides the same illuminance as a 90 cd lamp placed 4 m from the screen.  What is the candlepower of the unknown lamp?

Q: Problem 3 Transfer Function of a Circuit 15K5 a Vi 5mH: Vo Find the numerical expression for the…

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Q: R= 76 a. A hall of (3400 +R) m² having a seating capacity of 700. From the following data calculate…

A: The given data is shown below: Volume of hall=3400+Rm3R=76Seating capacity=700

Q: 18- ..--- is a system for absorbing the vibrations generated by high winds or moderate earthquakes,…

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Q: Solar thermal power plants can be designed for solar-only or hybrid operation, where some fossil…

A: False Solar thermal power plants can designed as similar to fossil fuels energy production. Their…

Q: Calculate the number of modules required in the Photovoltaic array. Photovoltaic system feeds a DC…

A: Given: DC motor= 2HP, Motor efficiency = 75%,  Cell matrix- 9 by 4 and cell efficiency = 21%, cell…

Q: Q3) The output signal from an AM modulator is x(t) = 10 cos(1700nt) + 40 cos(2000rt) + 10…

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Q: 1.) It is the equivalent of 1 lumen distributed uniformly over 1 sqft of surface located 1 ft from a…

A: Lumen- How much light a bulb emits is measured in lumens. A light's lumen count indicates its…

Q: Which of the following could be done in the field?

A: Solution: The correct option to the above question is "Option a". i.e Rectification

Q: SITUATION 2: A 30 m tape measured a 412 m distance at a temperature of 520C. The tape is of a…

A: Length of tape, distance measured, standard temperature, temperature during measurement have been…

Q: 5-15 A soldering operation is done on electronic components on a workbench. The component is clamped…

A: When designing ventilation systems, such as the flexible circular tube hood, capture velocity is a…

Q: 5. Calculate the capillary effect in mm in a glass tube of 6 mm diameter when immersed in (i) water,…

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Q: need the answer as soon as possible

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Q: particular load runs at 24rev/s when drawing 15A from the supply. Calculate the speed of the motor…

A: Armature resistance, Ra = 0.2 ohm Field resistance, Rf = 0.3 ohm Supply, V= 240 V Current, I is…

Q: A designer is estimating the number of luminaires using the long version of the lumen method. The…

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Q: 9. For the circuit shown in figure find (a) The resonant frequency o (b) Zin(@) Lin ww ΙΩ ele 9 μF…

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Q: Don't Use Chat GPT Will Upvote And Give Handwritten Solution With Figures

A: thank you

Q: The accleration of 10 kg collar A is (2i + 3j – 3k)m/s². What is the force F?

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Q: 13. Jet propulsion of ship in a very shallow water is needed to a) Avoid sinking of the ship

A: To find: What needs to be done by jet populsion of ship in shallow water.

Q: Let the reverberation time be 1.5 s for an empty hall and 1.3 s when a curtain cloth of 20 m2 is…

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Q: The room pictured has the following absorption coefficients at 500 Hz: Floor: Carpet, α = 0.14…

A: Data given Absorption coefficients at 500 Hz:             Floor: Carpet, α = 0.14…

Q: bläi 5 Find i, iO and power in 4 ohm in ?fig. below 4Ω a ww 10 V (+ 6Ω 32

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Q: Q3) In a long-shunt compund generator, the terminal voltage is 230 V, when it delivers 150 A. The…

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Q: S-13.6 Problem 2: (30 points) If a horizontal force of 890 N is developed by the water jet leaving…

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Q: The Empire State Building in NYC is approximately 440 meters in height. The superstructure of the…

A: Given, The Empire State Building in NYC L is 440 m in height, Transmitted ν=1500 m/sec

Q: A coil of moving instrument is wound with 250 turns of wire. The flux density in the gap is 0.085…

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Q: A from a nozzle into the air at a velocity of 45 m/s. Find the power in the jet with respect to a…

A: Given data in question  Diameter  Velocity  To find out  Power in the jet

Q: Write any two differences between photovoltaic system and solar thermal technology.

A: 1- Photovoltaic system is converted light energy to electrical energy. 2-Solar thermal technology is…

Q: A room in a house is heated with radiant matting. The room floorplan is shown.The portion that has…

A: The rectangle dimension is 22 ft 8 in*15 ft 6 in. The heat matting is 18 inches away from wall, the…

Q: Calculate the moment of inertia of the shaded area about the x-axis. 83 mm 32 mm ----- -49 mm 49 mm…

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Q: Determine the height to be raised of box mars 12.4kg to gain Potential energy ergy of 133 2 J

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Q: What is a diffuser tube in a pulse jet baghouse and which problem it solves?

A: The answer is below:

Q: Determine the length from the center of the instrument to the objective lens

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