Airflow through an axial fan is:
A) From the inside of the fan blade outwards in a radial pattern.
B) Perpendicular to the fan shaft.
C) At a 45° angle to the fan shaft.
D) Parallel to the fan shaft.
D
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Which of the following gives the owner a return of 20% or higher?
A. Business bought for $200,000 and its net income is $20,000 per year B. Business bought for $100,000 and its net income is $19,000 per year C. Business bought for $1,000,000 and its net income is $190,000 per year D. Business bought for $20,000 and its net income is $5,000 per year
What principle states that at a constant pressure the volume of a gas increases as the temperature of the gas increases?
A) Boyle's Law B) Charles' Law C) Combined Law D) Bernoulli's Principle
Which of the following joint sealants has the highest movement ability?
A) Acrylic B) Polyisobutylene C) Silicone D) Polyurethane
Dish antennas are capable of very high signal gains by focusing energy onto a very narrow ___________
A. beamwidth B. bandwidth C. current D. transmission line