Which of the following activities may involve the use of plant architecture? A) crop rotation
B) companion planting
C) algal billion
D) raised gardening

Which of the following components of a pid controlled accumulates the error over time and responds to system error after the error has been accumulated? a)- proportional b)- derivative c)- integral d)- on/off.

Machinery that is a key part of the process and without which the plant or process cannot function is classifed as: (clo4) a)-critical machinery b)-essential machinery c)-general purpose machinery d)-none of the specified options.

For a gate width of 2 m into the paper, determine the force required to hold the gate abc at its location.