Air in homes tends to be drier in the winter. Why?
What will be an ideal response?
Air at lower temperatures in the winter infiltrates into the house. As this air is raised in temperature, it expands. The portion of the total volume the moisture occupies is less and the relative humidity is lower because air with higher temperatures can hold more moisture.
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You have recently graduated from college and decided to build a new home. The basement floor and foundation walls will be constructed from poured concrete. The outside dimensions of the foundation walls are 7.0 × 10¹ ft in length × 5.0 × 10¹ ft wide × 10 ft high with 8 in. thick walls. The basement floor is poured to the inside of the foundation walls and is 6 in. thick. (a) How many yards of concrete will need to be ordered rounding up to the nearest cubic yard? (b) What will be the mass of both the foundation walls and floor in lbm?
What will be an ideal response?
An effective questionnaire requests _____ information in the first or last few questions
a. psychographic b. demographic c. geographic d. biographic
Technician A says that drum brakes can fail to slow the vehicle if driven through deep water. Technician B says that when drum brakes get hot, the brake pedal will drop because the drum expands away from the shoes. Which technician is correct?
A) Technician A only B) Technician B only C) Both Technicians A and B D) Neither technician A nor B
Technician A says that the alignment sensor heads only need to be calibrated once per day. Technician B says that the alignment sensor heads should be compensated every time they are mounted on a wheel. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician