Cengage Expert Team Solutions for Chapter: Lighting Systems, Exercise 1: Practice Questions
Cengage Expert Team General Awareness Solutions for Exercise - Cengage Expert Team Solutions for Chapter: Lighting Systems, Exercise 1: Practice Questions
Attempt the free practice questions on Chapter 14: Lighting Systems, Exercise 1: Practice Questions with hints and solutions to strengthen your understanding. Science and Technology For UPSC and Other State Services Examinations solutions are prepared by Experienced Embibe Experts.
Questions from Cengage Expert Team Solutions for Chapter: Lighting Systems, Exercise 1: Practice Questions with Hints & Solutions
Which of the following is not a type of TV?
Consider the following statements:
. The filament of a halogen lamp is made of Wolfram.
. The white coating on a fluorescent lamp is a phosphorus coating.
. The outer bulb in a vapour lamp is filled with a nitrogen/argon mixture to maintain an even lamp temperature.
Which of the statements given above is/are correct? Select the correct answer using the codes below:
Consider the following statements with respect to light-emitting diode:
1. Light-emitting diode (LED) lamps offer longer service life as compared to Compact Fluorescent Lamps (CFLs).
2. LED lamps are more energy-efficient as compared to the CFLs.
Select the correct answer using the code(s) given below:
Consider the following statements:
LED-based lamps do not contain mercury.
LED lights never fail abruptly, but there is a gradual decrease in the output.
Which of the statements given above is/are correct?
Consider the following statements about organic light-emitting diodes (OLEDs):
1. OLEDs are as much thin as cardboard.
2. The OLED TV provides a better picture contrast than the LED TV.
3. The OLED TV will continue to show picture even if the screen breaks from the side.
Which of the statement(s) given above is/are correct?
