1. List five items that are included on a Material Safety Data Sheet (MSDS). 2. Describe how to handle used brake fluid and engine oil. 3. Hazardous materials include all of the following, except _____. a. Used engine oil b. Asbestos c. Water d. Brake cleaner 4. To determine if a product or substance being used is hazardous, consult _____. a. A dictionary b. An […]
You have been hired as an economic consultant by OPEC and given the following statistics showing the world demand for oil: Your advice is needed on the following questions: (a) If the supply of oil is decreased so that the price rises from $20 to $30 a barrel, will the total revenue from oil sales increase or decrease? (b) What will happen to total sales […]
A theater of 1000-person capacity is to be air conditioned for winter conditions: Outdoor conditions: 11°C DBT and 55% RH Indoor conditions: 21°C DBT and 60% RH Amount of free air supplied per person = 0.5 m3 /min The required copndition is achieved by heating, humidifying and then again heating. If the air coming out of the humifier has 80% RH, calculate the heating capacity […]
1. An engine develops an indicated power of 125 kW and delivers a brake power of 100 kW. Calculate (a) frictional power, and (b) mechanical efficiency of the engine. 2. A single-cylinder, four-stroke cycle oil engine is fitted with a rope brake dynamometer. The diameter of the brake wheel is 600 mm and the rope diameter is 26 mm. The brake load is 170 N. […]
1.You are given the following payoff table (in units of thousands of dollars) for a decision analysis problem without probabilities. a. Which alternative should be chosen under the maximax criterion? b. Which alternative should be chosen under the maximin criterion? 2. Follow the instructions of previous problem with the following payoff table.
Compared with a hosts response to the mumps virus, overcoming a parasitic infection is more difficult for the host because of which of the following characteristics of parasites? a. Large size b. Complex antigenic structures c. Elaborate life cycle d. All of the above
1. A student argues that it makes no sense to be concerned about coliforms in drinking water because they are harmless members of our normal microbiota. Explain why regulatory agencies are concerned about coliforms. 2. A friend who has lakefront property and cherishes her lush green lawn complains of the green foul-smelling scum on the lake each summer. Explain how her lawn might be contributing […]
Management of the Jackson Manufacturing Corporation wishes to choose a statistical forecasting method for forecasting total sales for the corporation. Total sales (in millions of dollars) for each month of last year are shown below. a. Note how the sales level is shifting signif icantly from month to monthf irst trending upward and then dipping down before resuming an upward trend. Assuming that similar patterns […]
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