Recent questions tagged lamps

Description : If you had a magic lamp/gold fish, what wishes would you make?

Last Answer : A cure for all types of cancer. I wish that no one anywhere will ever go hungry again. I’m reserving the right to come back later for my third wish. I have to think on it.

Description : Write various advantages of using high mast tower lighting viz a vIz Sodium lamps in circulating areas?

Last Answer : Ans. (i) Better illumination (ii) Vide area illumination (iii)where mass public movement (iv) Where loading & unloading of materials (v) At goods coaches & passenger coaches formation, checking and maintenance.

Description : Ceiling lamps. What are they and how to choose?

Last Answer : Well-chosen lighting can stimulate productive activities and can create an intimate and relaxing atmosphere. The variety of ceiling lights is not limited to traditional center chandeliers. In addition ... Their placement along the perimeter of the bathroom will visually make the room more spacious.

Description : What are the advantages of LED lamps?

Last Answer : What are the advantages of LED lamps? LED lamps have an advantage over fluorescent lamps in the first place in terms of environmental friendliness. Another reason for using LED lamps is ... advantages. Today, such lamps are used in everyday life, for industrial lighting and street lighting.

Description : What kind of lamps are there and how to make the right choice?

Last Answer : What kind of lamps are there and how to make the right choice? Which of the lamps in the store should you choose? Having solved several tasks at once to illuminate the room and create coziness? ... in the room. And, familiar to everyone, fluorescent lamps can create the illusion of a sunny day.

Description : Compare the AC and DC Arc lamps.

Last Answer : AC Arc Lamp DC Arc Lamp Cross section area of electrode is same Cross section area of electrode is positive rod is twice that of negative rod Series inductor is used for stability ... supply is used for DC arc lamp Luminous efficiency is less Luminous efficiency is high

Description : Two 100W, 200V lamps are connected in series across a 200V supply. The total power consumed by each lamp will be in Watts

Last Answer : 4800

Description : Choose the correct order of electric discharge lamps in their increasing order of efficiencies (lumens/watt) :  (A) Sodium vapour lamp, Mercury vapour lamp, Neon lamp  (B) Neon lamp, Sodium vapour ... Mercury vapour lamp, Sodium vapour lamp  (D) Mercury vapour lamp, Sodium vapour lamp, Neon lamp

Last Answer : Choose the correct order of electric discharge lamps in their increasing order of efficiencies (lumens/watt) :  (A) Sodium vapour lamp, Mercury vapour lamp, Neon lamp  (B) Neon lamp, Sodium ... Mercury vapour lamp, Sodium vapour lamp  (D) Mercury vapour lamp, Sodium vapour lamp, Neon lamp