What liquids are most often used in a glass-stem thermometer?

A) Mercury or alcohol
B) Liquid refrigerant or oil
C) Special thermometer fluid that is a polymer derivative
D) Colored water or colored oil


A

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What stops the program when the system is in automatic?

What will be an ideal response?

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Problem 1.52 Solve Prob. 1.51, assuming that the structure has been redesigned to use 5/16-in.-diameter pins at A and C as well as at B and that no other changes have been made. Problem 1.51 Link AC is made of a steel with a 65-ksi ultimate normal stress and has a 14× 12-in. uniform rectangular cross section. It is con¬nected to a support at A and to member BCD at C by 38-in.-diameter pins, while member BCD is connected to its support at B by a 5 16-in.-diameter pin. All of the pins are made of a steel with a 25-ksi ultimate shearing stress and are in single shear. Knowing that a factor of safety of 3.25 is desired, determine the largest load P that can be applied at D. Note that link AC is not reinforced around the pin holes.

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Examples of ____ materials are iron, nickel, cobalt, and manganese.

a. nonmagnetic b. ferromagnetic c. paramagnetic d. diamagnetic

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What are two causes for nicks on the piston head?

What will be an ideal response?

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