Please answer the following questions.

1		Product variety in a job shop tends to be:
			A)	high.
			B)	moderate.
			C)	low.
			D)	very low.
2		A production line is to be designed for a job with three tasks. The task times are 0.3 minutes, 1.4 minutes, and 0.7 minutes, respectively. The maximum cycle time, in minutes, is:
			A)	0.3
			B)	1.4
			C)	2.4
			D)	2.8
			E)	none of the above
3		Which one of the following would not generally be regarded as a reason for redesign of a layout?
			A)	Change in the volume of output or product mix
			B)	Morale problems
			C)	Accidents or safety hazards
			D)	Inefficient operations
			E)	All are potential reasons
4		A precedence diagram:
			A)	contains all of the tasks.
			B)	shows the sequences in which tasks are performed.
			C)	is in the shape of a network.
			D)	shows all of the paths from beginning to end of completion of the product.
			E)	all of the above.
5		There are 9 assembly tasks for a product. The task times,predecessor relationships and workstation assignments are given inthe following table. Workstation Task Time (min.) Predecessors 1 a b c d 2 7 5 2 - a - -   2 e f 15 7 c,d a, e   3 g h i 6 4 9 - b,g a The cycle time for this product is:
			A)	16 minutes.
			B)	19 minutes.
			C)	22 minutes.
			D)	57 minutes.
			E)	none of the above choices is correct.
6		Which one of the following is not generally regarded as an advantage of product layouts?
			A)	Material handling costs per unit are low.
			B)	Labor costs are low per unit.
			C)	The system is fairly flexible to changes in the design of the product.
			D)	Accounting, purchasing, and inventory control are fairly routine.
			E)	There is high utilization of labor and equipment.
7		The system that has the highest equipment flexibility is:
			A)	Job shop.
			B)	Batch.
			C)	Repetitive production.
			D)	Continuous processing.
			E)	Projects.