Question
Which of the following instruments is used to measure
humidity?Solution
A psychrometer consists of two thermometers, one which is dry and one which is kept moist with distilled water on a sock or wick. The two thermometers are thus called the dry-bulb and the wet-bulb. Relativehumidityiscomputedfromtheambient temperature as shown by the dry-bulb thermometer and the difference in temperatures as shown by the wet-bulb and dry-bulb thermometers. The sling psychrometer, where the thermometers are attached to a handle or length of rope and spun around in the air for a few minutes, is sometimes used for field measurements, but is being replaced by more convenient electronic sensors.
What is the output of the following recursive function call func(3) ?
int func ( int n) {Â Â Â Â Â Â Â
   if (n == 0 ) return 1 ; <...
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