Typical journal-to-bearing clearance is ________
A) 0.0005 to 0.0025 inch
B) 0.00015 to 0.00018 inch
C) 0.020 to 0.035 inch
D) 0.150 to 0.250 inch
Answer: A) 0.0005 to 0.0025 inch
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____________________________ heat pumps utilize two coaxial heat exchangers, as compared to only one on the water-to-air configuration.
Fill in the blank(s) with the appropriate word(s).
A soft-drink manufacturer purchases aluminum cans from an outside vendor. A random sample of 70 cans is selected from a large shipment, and each is tested for strength by applying an increasing load to the side of the can until it punctures. Of the 70 cans, 52 meet the specification for puncture resistance.
a. Find a 95% confidence interval for the proportion of cans in the shipment that meet the specification. b. Find a 90% confidence interval for the proportion of cans in the shipment that meet the specification. c. Find the sample size needed for a 95% confidence interval to specify the proportion to within ±0.05. d. Find the sample size needed for a 90% confidence interval to specify the proportion to within ±0.05. e. If a 90% confidence interval is computed each day for 300 days, what is the probability that more than 280 of the confidence intervals cover the true proportions?
In the nineteenth century, loss of influence in which region motivated European imperial expansion elsewhere?
a. southern Asia b Southeast Asia c. the Americas d. Africa
Threading tools are checked for accuracy on the 60-degree angle by using a:
A) Tool angle gage B) Thread gage C) Center gage D) Screw pitch gage