Proportional band is ________
A) The percentage change in the set point that causes the final control element to go through its full range
B) The percentage change in the process variable that causes the final control element to go through its full range
C) The percentage change in the error that causes the final control element to go through its full range
D) None of the above
C
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How many gallons of water are needed to cover 3 acres of land 1 inch deep if you have 10 percent water loss? (27,154 gal = 1 inch/acre
What will be an ideal response?
The type of schematic diagram used to describe motor-control circuitry is often referred to as a ladder diagram or ____ ladder logic.
a. series b. drum c. stationary d. circular
Solar Hydro manufactures a revolutionary aeration system that combines coarse and fine bubble aeration components. This year (year 1) the cost for check valve components is $9,000. Based on closure of a new contract with a distributor in China and volume discounts, the company expects this cost to decrease. If the cost in year 2 and each year thereafter decreases by $560, what is the equivalent annual cost for a 5-year period at an interest rate of 10% per year?
What will be an ideal response?
Technician A says engine cooling fans are only necessary when the vehicle is moving slowly or stopped. Technician B says modern aerodynamic shapes have increased the need for operating the cooling fan. Who is correct?
A. Technician A B. Technician B C. Both A and B D. Neither A nor B