Which of the following is a correct statement about uses of PERT and Gantt:
a. PERT and Gantt are used primarily for project planning and scheduling.
b. PERT and Gantt are useful for planning only when you have historical data on
sales.
c. PERT and Gantt are useful for environmental scanning and competitor
intelligence.
d. PERT and Gantt are qualitative techniques for planning.
e. None of the above is true for PERT and Gantt.
A
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PROBLEM 2.3
A 9-m length of 6-mm-diameter steel wire is to be used in a hanger. It is observed that the wire stretches 18 mm when a tensile force P is applied. Knowing that E = 200 GPa, determine (a) the magnitude of the force P, (b) the corresponding normal stress in the wire.
Rocker arms having a 1.6:1 ratio are used with a camshaft having an intake lobe height of 0.285 in. What is the intake valve lift?
What will be an ideal response?
Which type of electrical space heater has the greatest potential for overheating?
A) Convection baseboard electric space heaters B) Forced-air electric space heaters C) Cabinet-type electric space heaters D) Suspended-force fan-unit electric space heaters
2. In a control system, data is processed by a ____ .
A. PLC B. microcontroller C. computer D. Any of the above