When the driver wheel in the figure above is moved from location X to location Y, the driven wheel will Question 11 options: a) reverse its direction of rotation. b) turn slower. c) not change its speed of rotation. d) turn faster. Question 12 (1 point) APTt1-s8-q11.PNG In the diagram above, the axle 8 inches in diameter has attached a handle 28 inches in diameter. If a force of 50 pounds is applied to the handle, the axle will lift a weight of Question 12 options: a) 224 pounds. b) 175 pounds. c) 200 pounds. d) 88 pounds. Question 13 (1 point) The main purpose of expansion joints in steam lines is to Question 13 options: a) provide for changes in length of heated pipe. b) allow for connection of additional radiators. c) provide locations for valves. d) reduce breakage of pipe due to minor movement of the building frame. Question 14 (1 point) APTt1-s8-q13.PNG What effort must be exerted to lift a 60-pound weight in the figure of a first-class lever shown above (disregard the weight of the lever in your computation)? Question 14 options: a) 30 pounds b) 36 pounds c) 45 pounds d) 60 pounds Question 15