The engineers and the bulb

How many first year engineering students does it take to change a light bulb?
None. That's a second year subject.

How many second year engineering students does it take to change a light bulb?
One, but the rest of the class copies the report.

How many third year engineering students does it take to change a light bulb?
"Will this question be in the final examination?"

How many civil engineers does it take to change a light bulb?
Two. One to do it and one to steady the chandelier.

How many electrical engineers does it take to change a light bulb?
None. They simply redefine darkness as the industry standard.

How many computer engineers does it take to change a light bulb?
"Why bother? The socket will be obsolete in six months anyway."

How many mechanical engineers does it take to change a light bulb?
Five. One to decide which way the bulb ought to turn, one to calculate the force required, one to design a tool with which to turn the bulb, one to design a comfortable - but functional - hand grip, and one to use all this equipment.

How many nuclear engineers does it take to change a light bulb?
Seven. One to install the new bulb and six to figure out what to do with the old one for the next 10,000 years.

and the mangers:

How many managers does it take to change a light bulb?
"I want a detailed memo about this issue till tomorrow's morning."
"You were supposed to have changed that light bulb last week!"
"We haven't got a policy on that".
"I am on my way to a very important meeting, so we'll discuss it some other time."
Three. Two to find out if it needs changing, and one to tell an employee to change it.