Which of the following welding practices is most likely to produce a crystallization failure on a repair of tempered frame rail?
A. welding too slowly
B. not allowing sufficient cooling time between weld runs
C. insufficient penetration
D. using a vertical-up welding technique
Answer: B
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The lubricant in a transfer case is being checked. What type of fluid is used in transfer cases?
A) Special transfer case fluid B) Gear oil such as SAE 80W-90 C) ATF D) Any of the above depending on make, model, and year of vehicle
An engine with a turbocharger is a normally aspirated engine.
Answer the following statement true (T) or false (F)
Given an oblique triangle, if the length of one side is 3.58 inches, the length of another side is 2.16 inches, and the measure of the included angle is 66°, what is the length of the third side to the nearest thousandth inch?
What will be an ideal response?
The article “Traps in Mineral Valuations—Proceed With Care” models the value (in millions of dollars) of a mineral deposit yet to be mined as a random variable X with probability mass function p(x) given by p(10)=0.40, p(60)=0.50, p(80)=0.10, and p(x)=0 for values of x other than 10, 60, or 80.
a. Is this article treating the value of a mineral deposit as a discrete or a continuous random variable?
b. Compute 
.
c. Compute 
.
d. The project will be profitable if the value is more than $50 million. What is the probability that the project is profitable?