Advertisements
Advertisements
प्रश्न
Why are hollow bricks used in the construction of cold storage rooms?
एका वाक्यात उत्तर
Advertisements
उत्तर
Brick is a bad conductor of heat, hence bricks greatly reduce the conduction of heat from outside to the room. In order to ensure better insulation, bricks are made hollow so that air-filled between these gaps provides insulation to heat.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
What is meant by the term temperature.
State the temperature of steam point on the Celsius scale.
The temperature of a body rises by 1°C. What is the corresponding rise on the (a) Fahrenheit scale (b) Kelvin scale?
What is heat ? Write its S.I. unit.
What do you mean by heat?
Do all substances expand on heating? Give examples.
Name the substance which contracts when heated from 00C to 40C.
What is meant by the lower and upper fixed points of a thermometer?
A glass stopper has got stuck in the neck of a bottle. How can you remove the stopper without breaking the bottle?
1 calorie equals ______.
