In areas subject to seismic damage, a minimum of _____ vertical reinforcing bars 1/2" (13 mm) in diameter (#4) must be used in the chimney.
A. two
B. three
C. four
D. six
Answer: C
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A baffle that is designed to deflect high velocity fluids inside a heat exchanger.
a. longitudinal baffle b. horizontal baffles c. vertical baffles d. impingement baffles
The growing point of dicots such as trees and shrubs is located at the top of the stem
Indicate whether the statement is true or false
While servicing a vehicle with modified strut front suspension, technician A makes sure the lower control arm is supported. Technician B says that the coil spring must be removed from the strut assembly to service a modified strut vehicle. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Plants are autotrophs because:
A. they can adapt to climate changes. B. they can be self-fertile. C. they transpire. D. they photosynthesize.