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?
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.
Examples of ____ materials are iron, nickel, cobalt, and manganese.
a. nonmagnetic b. ferromagnetic c. paramagnetic d. diamagnetic
What are two causes for nicks on the piston head?
What will be an ideal response?