For health and comfort, a relative humidity of ____ percent is desirable.
A) 3 to 5
B) 10 to 15
C) 30 to 40
D) 50 to 60
Correct Answer:
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Q1: Arc heating is used in _.
A) space
Q2: To provide a comfortable area, it is
Q3: _ heating is used for metal treatment
Q5: Dielectric heating is based on the principle
Q6: The heat pump operates on a principle
Q7: Conduction heating is a method by which
Q8: _ utilizes the fact that current flowing
Q9: In resistance baseboard heating, both conduction and
Q10: To replace lost moisture in the air,
Q11: For a baseboard resistance heater, the _
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