1.       The diameter of an aircraft is 4 m. The speed ratio is 0.8 at a flight speed of 450 kmph. If the ambient conditions of air at flight altitude are 0.54 bar and 256 K. Calculate   (a) propulsive efficiency,   (b) thrust,   ( c) thrust power. 2.       A turbojet is flying with a speed of 850 kmph at an altitude, where air density is 0. […]

1.       The diameter of an aircraft is 4 m. The speed ratio is 0.8 at a flight speed of 450 kmph. If the ambient conditions of air at flight altitude are 0.54 bar and 256 K. Calculate   (a) propulsive efficiency,   (b) thrust,   ( c) thrust power. 2.       A turbojet is flying with a speed of 850 kmph at an altitude, where air density is 0. […]

A.    Explain the effect of contact pressure on thermal contact resistance. What is thermal grease? B.    Define thermal conductivity. How can it be determined experimentally? What is the difference between thermal conductivity and thermal conductance? C.    Explain the mechanisms of heat conduction in gases, liquids and solids. D.    Why are metals good thermal conductors, while non-metals are poor conductors of heat? E.    Show that the […]

Investment Planning Mr. Jones has $9000 to invest in three types of stocks: low-risk, medium-risk, and high-risk. He invests according to three principles. The amount invested in low-risk stocks will be at most $1000 more than the amount invested in medium-risk stocks. At least $5000 will be invested in low- and medium-risk stocks. No more than $7000 will be invested in medium- and high-risk stocks. […]

Corporation—A corporation is created by a stateissued charter. a. The shareholders elect directors, who set policy and appoint officers to manage day-to-day corporate affairs. A corporation may be publicly held with many shareholders or be a close corporation with stock not freely traded. b. Shareholders have limited liability and are not personally liable for the debts of the corporation (beyond the amount of their investments). […]

A.      What is neuromarketing and how is it useful in marketing research? Why is this research approach usually used with other approaches? B.      Describe an example in which marketing research could cause harm to participants. Many companies have a review process similar to that required for following the government’s “Common Rule.” Write a brief report explaining this rule and how you would apply it to […]

1.       A researcher is measuring problem-solving times for a sample of n = 20 laboratory rats. However, one of the rats fails to solve the problem so the researcher has an undetermined score. What is the best measure of central tendency for these data?   a. The mean   b. The median   c. The mode   d. Central tendency cannot be determined for these data 2.       What is […]

A. What is the discount rate? What happens to the money supply when the Fed raises the discount rate? B. What are reserve requirements? What happens to the money supply when the Fed raises reserve requirements? C. Why can’t the Fed control the money supply perfectly? D. Which of the following are considered money in the U.S. economy? Which are not? Explain your answers by […]

For which of the following situations would an independent-measures design have the maximum advantage over a repeated-measures design?   a. When individual differences are small and participating in one treatment is likely to produce a permanent change in the participant’s performance.   b. When individual differences are small and participating in one treatment is not likely to produce a permanent change in the participant’s performance.   c. When […]

1.       A set of scores has a mean of µ = 63 and a standard deviation of  =8. If these scores are standardized so that the new distribution has µ= 50 and  = 10, what new value would be obtained for a score of X = 59 from the original distribution?   a. The score would still be X = 59.   b. 45  c. 46   d. […]

1.Why is it critical for a retailer to examine a location’s economic base in its decision to open a store? 2. Visit the Web site of the Department of Singapore Statistics (http://www.singstat.gov.sg) and look up the population trends for 2016. As a retailer, where would you find information to help you determine ideal locations?

A.    Water flows at 50°C inside a 2.5 cm inner diameter tube such that hi = 3500 W/m2 K. The tube has a wall thickness of 0.8 mm with a thermal conductivity of 16 W/m K. The outside of the tube loses heat by free convection with ho = 7.6 W/m2 K. Calculate the overall heat transfer coefficient and heat loss per metre length to […]

Based on the material on intellectual property law presented in the chapter, in which of the following situations would a court likely hold Maruta liable for copyright or trademark infringement? a. At the library, Maruta photocopies ten pages from a scholarly journal relating to a topic on which she is writing a term paper. b. Maruta makes leather handbags and sells them in her small […]

1.Explain the product life cycle concept. What are the stages of the product life cycle? 2.How are products managed during the different stages of the product life cycle? 3.What is a brand? What are the characteristics of a good brand name? How do firms protect their brands?

1. Explain the major advantages and disadvantages of the three basic methods of compensating salespeople. In general, which method would you prefer? Why? 2. What major factors should be taken into account when designing the size and shape of a sales territory?