##problem. Find the air standard efficiency of a petrol engine uses 0.3 kg of fuel per BP hour. The calorific value of fuel is 44000 kJ/kg, mechanical efficiency is 80% and compression ratio is 6.Find the air standard efficiency of a petrol engine uses 0.3 kg of fuel per BP hour. The calorific value of fuel is 44000 kJ/kg, mechanical efficiency is 80% and compression ratio is 6.Find the air standard efficiency of a petrol engine uses 0.3 kg of fuel per BP hour. The calorific value of fuel is 44000 kJ/kg, mechanical efficiency is 80% and compression ratio is 6.

Find the mass of water in an insulated calorimeter if the change in temperature is

when you add

of heat to the water. The specific heat of water is

. Your role- playing game party of high fantasy warriors arrives at a blacksmith to get new weapons forged. The blacksmith forges a longsword with

of iron at

, which was cooled down in

of water initially at

. What is the final temperature of the iron longsword when it reaches thermodynamic equilibrium? The specific heat of iron is

.

10. Introduce the mixing length concept and explain how it is used to model velocity distribution in turbulent flow.

Please use the table (that we used in class) to show the key steps of the Depth-First Traversal on the following directed graph starting from vertex A. (Note: follow alphabetical order when processing neighbors.) Please also show the resulting Depth-First Traversal Tree.

The value of the definite integral

as determined by the area under the graph of the integrand is (Simplify your answer. Type an exact answer, using

as needed. Use integers or fractions for any numbers in the expression.)

A baseball player hits a home run, and the ball lands in the left-field seats,

above the point at which it was hit. It lands with a velocity of

at an angle of

below the horizontal (see the Figure). The positive directions are upward and to the right in the drawing. Ignoring air resistance, find (a) the magnitude and (b) the direction of the initial velocity with which the ball leaves the bat. (a) Number Units (b) Number Units

Discuss the concept of power factor correction and its significance in electrical systems.

Pam wants to reach a window from a building, 80 feet above the street. If Pam has a 86 -foot ladder, at what angle must she place the bottom of the ladder to reach the window?

Question 3 2 pts The lengths of human pregnancies are approximately normally distributed with a mean

days and standard deviation

. What is the probability that a randomly selected pregnancy lasts within 10 days of the mean? That is, 10 days less that the mean or 10 days more than the mean and all the days bewtween. Round answer to 4 decimal places.

3 pts Question 35 Like most members of Congress who hope to keep their seats, Senator Treumann wants to do what is best for his constituency. Sometimes, however, he thinks that what is best is not necessarily what surveys show that most voters in his state want. He sees his vote against allowing more spending on surveillance for antiterrorism efforts in this light. thinking it best for the country and his state, no matter how popular. in this case, he would be serving as the clasalc

type of legislator.

trustee rogue agent delegate trustee-delegate hybrid Question 36