PROBLEM 3.86 Knowing that the stepped shaft shown transmits a torque of magnitude determine the maximum shearing stress in the shaft when the radius of the fillet is (a) (b)
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You are stoking a fire in a furnace, and leave the stoker inside the furnace for several minutes. The end of the stoker inside the furnace reaches a temperature of 300°C, while the other end of the stoker in the air is cooled sufficiently to maintain a temperature of 60°C. The length of the stoker between these two ends is 2.0 m. If the cross-sectional area of the stoker is 0.0010 m2, determine the rate of heat transfer that occurs if (a) the stoker is made of aluminum (? = 237 W/m-K), (b) iron (? = 80.2 W/m-K), and (c) granite (? = 2.79 W/m-K).
Given: T1 = 300°C; T2 = 60°C; ?x = 2.0 m; A = 0.0010 m2
Which agency is responsible for worker safety?
A. OSHA B. EPA C. CARB D. Section 609 of the Clean Air Act
Pedestrian and compact are two types of _____.
a. trenchers b. compactors c. compressors d. forklifts
The formula for diametral pitch is ____.
A. DP = PD/M B. DP = N/PD C. DP = PD/N D. DP = M/PD