Reset rate is the another term used for ____________ time?

Related Mcqs:

1. The transfer function for an ideal proportional plus reset controller (reset time T) is_______________?

   A. Kc[1 + (1/TS)]
   B. Kc(1 + TS)
   C. Kc/(1 + TS)
   D. Kc/[1 + (s/T)]

2. The transfer function for a PID controller is (where, η i is the integral (reset) time and ηD is the derivative time.) ?

   A. Kc(1 + ηis + ηD ). s
   B. Kc[1 + (1/ηis) + ηD . s)
   C. Kc(1 + ηis + (1/ηD . s)
   D. None of these

3. Water is entering a storage tank at a temperature T0 and flow rate Q0 and leaving at a flow rate Q and temperature T. There are negligible heat losses in the tank. The area of cross-section of the tank is A0. The model that describes the dynamic variation of temperature of water in the tank with time is given as________________?

   A. Q0(T0 – T) = Ac . h (dT/dt)
   B. Q0T0 – QT = Ac . h (dT/dt)
   C. Q(T0 – T) = Ac . h (dT/dt)
   D. Q(T0 – T) = Ac . (dTH/dt)

4. A system with a double pole at the origin is unstable since the corresponding term in the time domain________________?

   A. Is a constant
   B. Grows exponentially with time
   C. Grows linearly with time
   D. Decays linearly with time

5. The term analogous to the electrical current in a thermal system is the_________________?

   A. Temperature difference
   B. Heat flow rate
   C. Heat content in the system
   D. None of these

6. The term analogous to voltage in a single tank system is the_______________?

   A. Heat content of the system
   B. Liquid volume in the tank
   C. Flow rate
   D. Level of liquid

7. Flow rate of a river is measured by a/an____________________?

   A. Pitot tube
   B. Vane meter
   C. Kennison nozzle
   D. Open weir

8. In a shell and tube heat exchanger, the flow rate of heating/cooling fluid is the ______________ variable?

   A. Load
   B. Controlled
   C. Manipulated
   D. None of these

9. Which of the following fluid flow measuring devices can measure the largest flow rate ?

   A. V-notch
   B. Rotameter
   C. Orificemeter
   D. Weir

10. Liquid flow rate in a small channel is best measured by a/an____________________?

    A. Weir
    B. Pitot tube
    C. Vane meter
    D. Venturimeter