$12.)$ A task in a project which is a critical task should be chosen for crashing.

a$.)$ TRUE

b$.)$ FALSE

$13.)$ The mode of transportation which has the lowest variable cost is

a$.)$ trucks.

b$.)$ rail.

c$.)$ air.

d$.)$ pipeline.

$14.)$ Tasks not on the critical path have a slack time equal to zero.

a$.)$ TRUE

b$.)$ FALSE

$15.)$ A Frito$-$Lay's distributor receives a large shipment of product from a centralized production facility and the product is then sorted and loaded on a number of delivery vans for delivery to several stores, thus reducing transportation costs through economical shipping. Such a technique is known as

a$.)$ consolidation warehousing.

b$.)$ cross docking.

c$.)$ break bulk facilities.

d$.)$ hub and spoke system.

$16.)$ The basic quality tool used to identify the causes of problems is known as

a$.)$ scatter plot.

b$.)$ run chart.

c$.)$ fishbone diagram.

d$.)$ process map.