What is the difference between specific humidity and relative humidity?
What will be an ideal response?
Specific humidity is the actual weight of the water in each pound of dry air, measured in grains. Relative humidity compares the amount of water in the air to the amount of water the air can hold at a given temperature.
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Answer the following statement(s) true (T) or false (F)
1. The wiring of the accelerating starters and the design of the resistor sections are meant for speed regulation. 2. The operation of accelerating contactors is controlled by a timing device. 3. A wound rotor motor can be reversed by interchanging any two stator leads. 4. Accelerating timers may be used to control the acceleration of wound rotor motors. 5. Frequency relays have the advantage that an increase in motor load prolongs the starting time.
Most contractors tend to use the same screed system on all their jobs so the estimator may be able to obtain cost information from a previous job and use it to price the next job.
Answer the following statement true (T) or false (F)
Most cats have approximately 80 long whiskers (vibrissae)
A. True B. False
Which type of disc brake caliper may leak fluid more often?
A) Single piston B) Floating C) Fixed D) Sliding