While having a discussion about torque, Technician A says that the force of 1 pound exerted at a distance of 1 foot from the center of a crankshaft results in 2 foot-pound of torque. Technician B says it results in 1 foot-pound of torque. Who is correct?
A. A only
B. B only
C. Neither A nor B
D. Both A and B
Answer: B
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Sorting DNA fragments according to size by subjecting the fragments to a direct electric current that draws the DNA through a gel is known as:
a. Electrophoresis b. Gene marking c. Restriction fragment length polymorphism d. Enzyme restriction
What has been the major problem in determining grazing capacity on rangelands?
A) Variation in precipitation over years B) Lack of methods to determine grazing capacity C) Lack of knowledge on how much use range plants can withstand D) Lack of good information on how much livestock eat
If a conductor is coiled as in a relay coil, then passing current through it will ________ the magnetic field
A) decrease B) Coils should not be coiled. C) intensify D) not change
In the U.S., only 3 cases of _____ had been found through 2009.
Fill in the blank(s) with the appropriate word(s).