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24) A foundry produces circular utility access hatches (manhole covers). If 120 covers are produced in a 10-hour shift, the productivity of the line is A) 1.2 covers/hr 31 Page HOMEWORK: OPERATION MANAGEMENT GEOP 4315 Professor: Segundo Castro G. PhD. M.Sc. IE. B) 2 covers/hr C) 12 coverhr D) 1200 covershr E) none of the above Answer: 25) A foundry produces circular utility access hatches (manhole covers). Currently, 120 covers are produced in a 10-hour shift. If labor productivity can be increased by 20%, it would then be A) 14.4 covers.hr B) 24 cover/hr C) 240 valves/hr D) 1200 covers/hr E) none of the above Answer: 26) Gibson Valves produces cast bronze valves on an assembly line. If 1600 valves are produced in an 8-hour shift, the productivity of the line is A) 2 valveshur B) 40 valveshr C) 80 valves/hr D) 200 valvehr E) 1600 valves/hr Answer: 27) Gibson Valves produces cast bronze valves on an assembly line, currently producing 1600 valves each 8-hour shift. If the productivity is increased by 10%, it would then be A) 180 valves/hr B) 200 valvehr C) 220 valves/hr D) O valves/hr E) 1760 valveshur Answer: 28) The Dulac Box plant produces 500 cypress packing boxes in two 10-hour shifts What is the productivity of the plant? A) 25 boxes/hr B) 50 boxer C) 5000 boxes/hr D) none of the above E) not enough data to determine productivity