Check all the following loads that are gravity loads.
Snow load
Wind load
Rain load
Earthquake load
Blast load
Dead load
Live load
Snow load ?
Wind load
Rain load ?
Earthquake load
Blast load
Dead load ?
Live load ?
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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.
Steel-wire bar supports that offer no protection against rusting are designated as Class _____.
a. A b. B c. C d. D
Where are shorting bars used?
A) In pretensioners B) In the airbag controller C) At the connectors for airbags D) In the crash sensors
Battery voltage is quickly checked with a(n) ____.
A. ohmmeter B. ammeter C. voltmeter D. thermometer