When the front and rear wheels of a forklift can move in opposite directions, the vehicle is said to have _____.
a. opposed steering
b. articulated steering
c. crab steering
d. variable steering
Answer: B
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If properly constructed, firewalls between apartment or townhouse units can provide protection against flame spread for up to _____.
a. 30 minutes b. 1 hour c. 2 hours d. 4 hours
Resistance is defined as?
What will be an ideal response?
A distribution that has been used to model tolerance levels in bioassays is the logistic distribution with parameters ? and ?. The cumulative distribution function of the logistic distribution is
The parameter ? may be any real number; the parameter ? may be any positive number. Let X be a random variable with this distribution.
a. Find the probability density function 
.
b. Show that is symmetric around ?, that is, 
for all x.
c. Explain why the symmetry described in part (b) shows that 
= ?. You may assume that exists.
Why did Napoleon sell the Louisiana Territory to the United States?
a. He needed funds for military expansion. b. He needed funds for domestic reforms. c. He needed funds to pay off France’s debts. d. He needed funds to stabilize the currency.