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Special considerations must be given to systems using liquid hydrogen for fuel because of: A. Liquid hydrogen's low density B. Liquid hydrogen's low storage temperature C. The high flammability of hydrogen vapors D. All of the above

A brass alloy is known to have a yield strength of 275 MPa, a tensile strength of 380 MPa, and an elastic modulus of 103 GPa. A cylindrical specimen of this alloy 12.7 mm in diameter and 250 mm long is stressed in tension and found to elongate 7.

A conducting spherical shell having an inner radius of 3 cm and outer radius of 4.3 cm carries a net charge of 9.6 μC. A conducting sphere is placed at the center of this shell hav - ing a radius of 0.8 cm and carries a net charge of 1.7 μC.

1. The type of ignition system in which two cylinders share one coil is called a: a. distributor ignition system. b. waste spark ignition system. c. coil-on plug ignition system. d. None of the above

2 Consider airflow over a plate surface maintained at a temperature of 220°C. The temperature profile of the airflow is given as The airflow at 1 atm has a free stream velocity and temperature of 0.08 m/s and 20°C, respectively.

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