Natural-draft furnaces generally have efficiency ratings of _____
a. below 65 percent
b. below 78 percent
c. below 85 percent
d. 90 percent and above
b
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A type of fitting used to prevent damage to PVC caused by temperature changes is a(n) _____.
a. combination coupling b. flex connector c. hinged coupling d. expansion coupling
Beginning 1 month from now, Thaxton Mechanical Products will set aside $1500 per month for possibly replacing its corrosion-resistant diaphragm pumps whenever it becomes necessary. The replacement isn’t needed for 3 years. How much will the company have available if the hoped-for rate of return of 18% per year is achieved?
What will be an ideal response?
Two technicians are discussing differentials. Technician A says that all differentials are vented. Technician B says that a clogged vent can cause the rear axle seal to leak. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
A resistor with orange, orange, red and gold bands has a value and tolerance of ________
A) 3.3 k? ±5% B) 33 k? ±5% C) 3.3 k? ±10% D) 33 k? ±10%