The U.S. Fish and Wildlife Service banned the use of _____ to protect the bald eagle
a. DDT
b. fishing
c. quail hunting
d. elk hunting
c
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Animal welfare activists disapprove of producers who give animals such drugs as ____________________ as a preventative measure.
Fill in the blank(s) with the appropriate word(s).
What kind of V-belt pulley has a removable hub?
A. tapered hole pulley B. wedge pulley C. a broken pulley D. tapered bore pulley
For the motor in Problem 7.1 and for a constant-load torque equals to half the full- load torque, calculate the minimum supply frequency that will not allow the motor current to exceed the full-load current. Calculate the motor speed.
What will be an ideal response?
Polyester and other synthetic fabrics should not be worn when cutting because _____
a. they break down when exposed to ultraviolet light b. sparks will cause them to melt, inflicting burns to the skin c. they will burst into flames in the presence of pure oxygen d. they will give off toxic fumes if exposed to acetylene