velocity of gases is measured with a _____________________?

Related Mcqs:

1. The velocity in a large canal or channel measured at a depth of ___________________ gives the mean velocity using the current meter?

   A. 0.6m
   B. 0.5m
   C. 0.6 depth
   D. 0.5 depth

2. Mean velocity of flow in a river can be directly measured by means of ______________________?

   A. Dickne’s formula
   B. Current meter
   C. Surface floats
   D. Rod floats

3. According to Kennedy’s silt theory , the critical velocity is directly proportional to depth of flow _____________________?

   A. D0.64
   B. D0.65
   C. D0.66
   D. D0.67

4. A water rise takes place on down stream of sloping glacis, when a stream of water moving with high velocity and low depth strikes another stream of flow moving with low velocity and high depth, such breakage in water surface is called______________?

   A. Water wave
   B. Water tide
   C. Hydraulic jump
   D. Afflux

5. The water vapours are generally present in a atmosphere, some times isolated and sometimes mixed with other gases. in such a situation the pressure exerted by each component of mixture, will be called ______________________?

   A. Partial pressure
   B. Saturation pressure
   C. Vapour pressure
   D. All are correct

6. A fixed reference point from which the discharge of flowing water is measured is________________?

   A. Reduce level
   B. Bench mark
   C. Contour point
   D. Reference point

7. Flow in which each liquid particle has a definite path is called _____________________?

   A. Steady flow
   B. uniform flow
   C. Laminar flow
   D. Transitional flow

8. The flow in the river due to the floods may be classified as _____________________?

   A. Laminar flow
   B. Stream line flow
   C. Irrotational flow
   D. Turbulent flow

9. In alluvial river due to the action of centrifugal force, bends are developed by scouring on concave and silting on convex _____________________?

   A. Silting & scouring
   B. Meandering
   C. Aggrading
   D. Degrading

10. An open cut in the canal bank. with bed and sides to escape canal water through a lead channel to mix water in a nearby drain is called _____________________?

    A. Inlet
    B. Out let
    C. Module
    D. Exit