Which of the following is "invalid" assignment? name (x) < - c ("New York", "Seattle", "Los Angeles") names (x) < - c ("New York", "Seattle", "Los Angeles") x < - list ("Los Angeles" = 1, Boston = 2, London = 3)

What is the area enclosed by the cycle area of the Carnot cycle illustrating on a P-V diagram?

Find the apparent gas constant of an ideal gas mixture consisting of 2 kmol of N2 and 4 kmol of CO2

On some engines, after torquing cylinder head fasteners, you must O A) Ensure that the gasket is installed correctly O B) Check crankshaft rotation torque O c) Check camshaft torque OD) None of the above.

How do you connect several springs to increase the equivalent stiffness? What is one example from industry or other real-life situations where this occurs?

Is the velocity increasing or decreasing where the flow is developing?

Work done by a system during a process can be considered as a property of the system. a) True b) False

When the compression process is non-quasi-equilibrium, the molecules before the piston face cannot escape fast enough, forming a high-pressure region in front of the piston. It takes more work to move the piston against this high-pressure region.

hypothetical A-B alloy of composition 40 wt% B-60 wt% A at some temperature is found to consist of mass fractions of 0.66 and 0.34 for the α and β phases, respectively.

10. Which of these requires a wheel alignment after replacement? A. Struts B. Shocks C. Both

What is the definition of diameter pitch?