MCQOPTIONS
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				| 1. | 
                                    In a proportional plus integral control action | 
                            
| A. | proportional gain Kp is adjustable but integral time Ti is constant | 
| B. | proportional gain Kp is adjustable but integral time Ti is adjustable | 
| C. | both proportional gain Kp and integral time Ti are adjustable | 
| D. | both proportional gain Kp and integral time Ti are constant | 
| Answer» D. both proportional gain Kp and integral time Ti are constant | |