Architecture and Planning
2022 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE AR 2022 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 64–66 of 81. Imported answers require review unless explicitly marked reviewed.
Question 64
Open questionARNAT2 marksNeeds review
The acoustical absorption of a wall panel in each octave band is tabulated below. The Noise Reduction Coefficient of the wall panel (rounded off to two decimal places) is __________.
63 Hz | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz | 8000 Hz | 1600 Hz |
|---|---|---|---|---|---|---|---|---|
0.1 | 0.2 | 0.5 | 0.5 | 0.7 | 0.8 | 0.8 | 0.9 | 0.9 |
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 65
Open questionARNAT2 marksNeeds review
A room is maintained at a wet bulb temperature of 25 °C, globe temperature of 30 °C, and air velocity of 0.5 m/s. The decrease in Tropical Summer Index when the air velocity is increased to 3 m/s (in °C, rounded off to two decimal places) is __________.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 66
Open questionARMCQ1 markNeeds review
Which of the following is the National Electronic Toll Collection System implemented by the National Payment Corporation of India?
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer