Engineering, 11.10.2019 05:30 kayleewoodard
The weight of thousands of snack bars produced by a food company has a normal distribution with a mean of 147.1 g and standard deviation of 12.3 g. a. if the company labels 150.0 g on all the individual wrappers, what percent of bars are lighter than advertised? b. what percent of bars are between 140 and 150 g? c. what weight should be labeled on the wrappers so that only 5% of the bars are underweight? d. between what values do the middle 75% of the weights of the bars lie?
Answers: 1
Engineering, 04.07.2019 18:20
Refrigerant-134a enters the compressor of a refrigerator as superheated vapor at 0.14 mpa and -10Β°c at a rate of 0.05 ka/s and leaves at 0.8 mpa and 50Β°c. the refrigerant is cooied in the condenser to 0.72 mpa and 26'c. it is then throttled to 0.15 mpa. sketch the t-s diagram for the system and evaluate: 6) the rate of heat removai from the refrigerated space (kw), it) the power input to the compressor (kw), ii) the isentropic efficiency of the compressor (%), and iv) the cop of the refrigerator.
Answers: 2
Engineering, 04.07.2019 19:10
The short distance from the objective lens to the object causes problems at high magnification. which of the following is the most serious? a. cleaning the object surface b. positioning the object c. reflection from the object surface. d. illumination of the object
Answers: 1
Engineering, 04.07.2019 19:10
The air in an automobile tire with a volume of 0.015 m3 is at 32Β°c and 140 kpa gage. determine the amount of air that must be added to raise the pressure to the recommended value of 206 kpa gage. assume the atmospheric pressure to be 128 kpa and the temperature and the volume to remain constant.[r-0.287 kj/kgk]
Answers: 3
Engineering, 04.07.2019 19:10
Which of the following is the most important advantage of a large field of view? a. allows larger areas to be examined b. relieves eyestrain c. minimizes parallax errors. d. increases precision in proportion to the in- crease in field of view
Answers: 2
The weight of thousands of snack bars produced by a food company has a normal distribution with a me...
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