The greatest disadvantage of drum brakes is ________
A) Brake fade B) Lack of power assist action
C) Brake adjustment D) Poor parking brake performance
A
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A stub end is used with a _____ flange.
a. weld neck b. lap-joint c. socket weld d. slip-on
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When making up screwed valve connections, _____ threads should be showing outside the valve.
a. two b. three c. four d. five
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¿El cemento de aislamiento a alta temperatura se usa sobre superficies con un límite de temperatura máximo de cuántos grados?
a. 0 °F (-17,7 °C) b. 100 °F (37,7 °C) c. 1900 °F (1037,7 °C) d. 3000 °F (1648,8 °C)
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?Which of the following would not be a NDT type test of a weld.
A. ?tensile B. ?visual C. ?leak D. ?penetrant
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