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. Liquid flow rate in an open channel cannot be measured by a/an __________________?

   A. Orifice meter
   B. Cipolletti weir
   C. Rectangular weir
   D. V-notch

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

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

4. Flow rate of sludge is not measured by a/an_________________?

   A. Orificemeter
   B. Open weir
   C. Kennison nozzle
   D. Both B. & C.

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

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

6. Smoke density of the flue gas going out of the chimney is measured by a __________________?

   A. Polarograph
   B. Thermal conductivity meter
   C. Photo electric cell
   D. Chromatograph

7. Degree to which an instrument indicates the changes in measured variable without dynamic error is called its ___________________?

   A. Speed of response
   B. Reproducibility
   C. Fidelity
   D. Static characteristics

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

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

9. Flow rate measurement of hostile acids and alkalis can be most suitably done by a/an ________________?

   A. Venturimeter
   B. Orificemeter
   C. Magnetic flow meter
   D. Hot wire anemometer

10. Liquid levels in autoclaves are measured by ________________?

    A. Simple float
    B. Differential float type manometer
    C. Glass gauge
    D. None of these