Find thermal efficiency of cycle if isentropic expansion
A Rankine cycle operates between pressure limits of 500 and 2 psia. The temperature of the steam entering the turbine is 700 F. Calculate the thermal efficiency of the cycle assuming isentropic expansion in the turbine.
Expected delivery within 24 Hours
What is their acceleration over this 1.7 cm length? Answer in units of m/s2 How long is the electron in the accelerating region? Answer in units of s
Suppose 13% of American adults believe that the highest priority of America is to protect freedom of speech. We will take a random sample of 20 American adults and ask them the question. Then the sampling distribution of the sample proportion of p
Kindergarten children have heights that are approximately normally distributed about a mean of 39.7 inches and a standard deviation of 2.2 inches. If a random sample of 21 is taken, what is the probability that the sample of kindergarten children
A 20 kg object is pulled across a flat surface with a force of 100 N. The force is applied at a 30° angle to the floor. After 5 s the speed is 8 m/s. What is the speed 5 s later if coefficient of kinetic friction between the object and floor i
The temperature of the steam entering the turbine is 700 F. Calculate the thermal efficiency of the cycle assuming isentropic expansion in the turbine.
James teaches a class of 300 students, and only 6 have done their homework assignment which is due today. He calls on a student at random to put a problem on the board and check to see whether he or she has done the assignment.
A 50 kg crate resting on a flat smooth surface is acted upon by a horizontal force that varies by the equation F=1.5t where t is time in units of seconds. What is the speed of the crate after 10 s? Neglect friction.
Approximately 8.33% of men are colorblind. You survey 8 men from the population of large city and count the number who are colorblind. What is a "success" in this situation and what is probability of success on a single trial?
A 60 g bullet moving with a speed of 500 m/s strikes a 5 kg block moving in the same direction with a speed of 30 m/s. If the bullet becomes embedded in the block, what is the final velocity and direction of the bullet/block?
1952126
Questions Asked
3,689
Active Tutors
1427645
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Question: Sue is feeling nervous and her heart is racing. What is causing this?
When Ben spotted a menacing figure in a doorway when walking home late at night, Ben's resulting physiological arousal was an example of:
Question: Which of the following is a mode of action employed by microbial control agents?
What would the brain be like if neurones weren't post-mitotic? Consider what areas of brain function might be impacted and how.
Please calculate the expected size of the PCR product from the region with a successful knock-in. Give your answer in base pairs
Question: Mendel used which type of organism to conduct his genetics research?
In a laboratory investigation, a student is studying the role of pepsin in animal digestion. Pepsin helps break down proteins into simple molecules.