Föllowing data is available from time study on a job: Representative time = 1 minute Rating = 125% Allowances = 25% of Standard Time Determine the Standard time for the completion of job.
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- 18. Integrated logistic support (ILS) is a concept developed by the military, in which all aspects of design and of support and maintenance planning are brought together, to ensure that the design and __________ system are optimized.The analyst in the Dorben Company wishes to assign a number of like facilities to an operator based on minimizing the cost per unit of output. A detailed study of the facilities revealed the following: Loading machine standard time = 0.30 minutes Unloading machine standard time = 0.25 minutes Walk time between two machines = 0.09 minutes Operator rate = $12.00 per hour Machine rate (both idle and working) = $18.00 per hour Machine cycle time = 1.55 minutes TEC = The Expected Cost a) With your initial estimation, how many machines can be serviced exactly?(please keep a non-integer with three decimal places) b) How much is your TEC per piece if the operator has idle time? (please keep three decimal places) c)How much is your TEC per piece if the machine has idle time? (please keep three decimal places) d) How many of these machines should be assigned to each operator?(please write down a numerical number)Four trucks arrive at construction site with arrival rate of 8/hour and service rate of 16/hour. Approximately what is production index? a. 0.25 b. 0.10 c. 0.75 d. 0.90
- A stop watch time study on an operator with a performance rating of 120 yielded a time of 2 minute. If allowances of 10% of the total available time are to be given, the standard time of the operation is: (a) 2 minutes (b) 2.4 minutes (c) 2.64 minutes (d) 2.67 minutesSuppose a process has been monitored daily for the last ten days and the number of machine failures each day was noted. The results follow: Day Number: 1 2 3 4 5 6 7 8 9 10 Number of Failures: 8 9 6 10 12 4 9 11 9 12 Compute control limits for a c-chart that monitors the average number of machine failures per day. Is the process in a state of control?q4 From the following identify the true statement relating to the term Predictive maintenance The maintenance on machines to determine the actual time to failure and cannot improve the quality of the product. The maintenance on machines not to determine the actual time to failure and can improve the quality of the product. The maintenance on machines to determine the actual time to failure and can improve the quality of the product. The maintenance on machines not to determine the actual time to failure and cannot improve the quality of the product.
- A 739 KW diesel-engine power plant has the following data: fuel rate, 245 liters per hour at 22 C with a specific gravity of 0.922; coolant flow rate, 1135 liters/min, with inlet and outlet temperature of 25 C and 35 C, respectively; air temperature of 18 C at a volume flow rate of 5071 m°/hr; exhaust gas temperature of 400 C. If the engine is an 8-cylinder, 375 mm x 457 mm x 267 rpm and the generator efficiency is 93 %, conduct an engine heat balance based on the above dataFor Each of the following activities, determine the maximum delay in the starting time relative to its earliest start time that will allow all the immediately succeeding activities to be scheduled anywhere between their earliest and latest completion times.a. TF = 10, FF = 10, D = 4b. TF = 10, FF = 5, D = 4c. TF = 10, FF = 0, D = 4A toy factory is planning to make an additional item, which would be processed in 4 departments. The company is proposing to produce 600,000 units per year, working 250 days per year. The estimates of times made by an industrial engineer are in the table: Departments Times 1 2 3 4 Average processing time (second/part) 8 13 10 50 Average maintenance, time/day (minutes) 20 30 20 15 Average daily setup, time (minutes) 20 15 30 20 Average bookkeeping, time/day (minutes) 10 8 12 5 Machine adjustment, time/day (minutes) 15 10 15 15 Defective items, (% of production) 5 6 4 4 The parts are produced within the departments in a sequential manner (from department 1 to 2 to 3 to 4). Determine the efficiency of each departmental operation if only one shift is operated between 7:30 am-4:30 pm, with a 40 minute lunchbreak and two 10 minute coffee breaks.
- New York Building Corporation uses the critical path method to monitor construction jobs. The company is currently 2 weeks behind schedule on Job #181, which is subject to a P10,500 per week completion penalty. Path A-B-C-F-G-H-I has a normal completion time of 20 weeks, and critical path A-D-E-F-G-H-I has a normal completion time of 22 weeks. The following activities can be crashed. Activities Cost to Crash 1 Week Cost to Crash 2 Weeks BC P 8,000 P15,000 DE 10,000 19,600 EF 8,800 19,500 REQUIRED: 1. New York Building desires to reduce the normal completion time Job #181 and, at the same time, report the highest possible income…Q#05 (a) :The Lift Mechanism for the package moving is desired to raise (23) inch in 2.50sec, remain stationery for 2.0 sec, and return in 2.0 sec. The push mechanism should remain stationery for 2.50 sec, push (23)inch in 2.0 sec and return in 2.0 sec. Determine (a) The Time Ratio, Cycle Time (b)Sketch the Synchronized time chartsQ#05 (a) :The Lift Mechanism for the package moving is desired to raise (25) inch in 2.50sec, remain stationery for 2.0 sec, and return in 2.0 sec. The push mechanism should remain stationery for 2.50 sec, push (25)inch in 2.0 sec and return in 2.0 sec. Determine (a) The Time Ratio, Cycle Time (b)Sketch the Synchronized time charts