If you are sampling a 50Hz signal, what is the minimum sampling rate necessary to prevent aliasing? Why?

Which do you engage first when parking, the parking brake, or shifting your gear selector to "park"? Why?

cThe Mars Rover Spirit got stuck in the Martian sand. The wheels kept slipping. Attempts to free it were futile. Discuss the type of actuator in this case.

In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced by a a) - absorber, generator and liquid pump. b) - absorber and generator. c) - liquid pump. d) - generator.

Ceramics are inorganic materials mainly consist of hydrocarbons. a) - True b) - False

D 4.60 A designer requires a shunt regulator of approximately 20 V. Two kinds of zener diodes are available: 6.8-V devices with rz of 10 and 5.1-V devices with rz of 25. For the two major choices possible, find the load regulation.

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?