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

Related Mcqs:

1. 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)

2. Water is flowing through a series of four tanks and getting heated as shown in figure. It is desired to design a cascade control scheme for controlling the temperature of water leaving the tank 4 as there is a disturbance in the temperature of a second stream entering the tank 2. Select the best place to take the secondary measurement for the second loop?

   A. Tank 1
   B. Tank 2
   C. Tank 3
   D. Tank 4

3. In a single tank system, the transfer function of _____________ to inlet flow rate is 1/(TS+1)?

   A. Outlet flow rate
   B. Level
   C. Both A. & B.
   D. Neither A. nor B.

4. In a single tank system, the transfer function of level to inlet flow rate is__________________?

   A. R/TS
   B. R/(TS + 1)
   C. 1/TS
   D. None of these

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. Liquid argon level in a pressurised storage tank (at 3 kg/cm2) is measured by a/an ____________________?

   A. Gage glass
   B. External float gage
   C. Differential pressure gage
   D. None of these

7. Liquid discharge from a tank or reservoir cannot be measured by __________________?

   A. Orificemeter
   B. Weirs
   C. Mouthpieces
   D. Notches

8. Which of the following relates the emf. generated in a single homogeneous wire to the temperature difference ?

   A. Peltier effect
   B. Thomson effect
   C. Seebeck effect
   D. None of these

9. 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

10. Reset rate is the another term used for ____________ time?

    A. Dead
    B. Integral
    C. Derivative
    D. None of these