Plant growth and development takes place through cell division of undifferentiated _________ cells
a. meristem c. rhizome
b. phloem d. cambium
A
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?Two technicians are discussing how excessive valve overlap affects a turbocharged engine. Technician A says that a turbocharger operates on backpressure in the exhaust. Technician B says that if the turbo operates at too low an rpm, backpressure can flow through the open exhaust valve into the intake air stream, limiting boost pressure into the cylinder. Who is right?
A. Technician A only B. Technician B only C. ?Both A and B D. ?Neither A nor B
Ms. Smith has 95 acres of peanuts with a yield of 3,100 pounds per acre. Her digger broke down after digging 3/4 of the crop and was in the shop for 7.5 days. The mechanics worked 20 hours on the digger
What will be an ideal response?
A radial arm saw is used mostly for ____
a. crosscutting lumber c. cutting metal b. ripping lumber d. cutting firewood
50 pounds applied to a wrench 24 inches long will produce how much torque:
A. 50 ft lbs B. 100 ft lbs C. 150 ft lbs D. 250 ft lbs