A heat engine does 210 J of work per cycle while exhausting 440 J of waste heat. Part A What is the engine's thermal efficiency? Express your answer using two significant figures.

You just purchased a 400-L rigid tank for a client who works in the gas industry. The tank is delivered pre-filled with 3 kg of air at a temperature of 25C.

python Write a program that takes a date as input and outputs the date's season. The input is a string to represent the month and an int to represent the day.

How many asnwer do you need to have a conversation

What are the weight restrictions for a small UAS, including everything onboard at the time of takeoff? (Circle the correct answer) (A) GTOW greater than. 55 lbs. and less than 55 lbs. B. GTOW greater than 5 lbs. and less than 50 lbs. on to fly a UAS.

Write an if statement that assigns 20 to the variable y, and assigns 40 to the variable z if the variable x is greater than 100.

Roentgens are used to measure the amount of: uranium fuel burned radiation hydrogen isotopes

What is the maximum % carbon for structural steel?

An airplane flies from San Francisco to Washington DC at an air speed of 800 km/hr. Assume Washington is due east of San Francisco at a distance of 6000 km.

An example of Ferrous alloy is Brass a) - True b) - False

There is no difference in boring and drilling. a) - True b) - False