The precipitation that occurs because of frontal disturbances during the movement of barometric low pressure is called ____________________?

Related Mcqs:

1. The precipitation that falls during the growing season of the crop is called__________________?

   A. Useful rain fall
   B. Direct rain fall
   C. Monsoon rain fall
   D. all are correct

2. hail is precipitation in the form of balls or lumps of ice of size greater than _______________ formed by alternate freezing & melting?

   A. 5 mm diameter
   B. 10 mm diameter
   C. 15 mm diameter
   D. 20 mm diameter

3. The mass per unit volume of a liquid at standard temperature and pressure is called ____________________?

   A. Specific weight
   B. Specific gravity
   C. Mass density
   D. None of these

4. When the air in a atmosphere is fully saturated with the vapours present in it, then the pressure exerted by such wet air mass will be called ____________________?

   A. Vapour pressure
   B. Saturation pressure
   C. Partial pressure
   D. Atmospheric pressure

5. 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

6. The difference between saturation vapour pressure and actual vapour pressure at a constant temperature is called ___________________?

   A. Saturation vapour pressure
   B. Actual vapour pressure
   C. Saturation deficit
   D. Partial pressure

7. The permissible limit of hardness of water fore low pressure boiler is _____________________?

   A. 30 mg/litre
   B. 40 mg/litre
   C. 50 mg/litre
   D. 60 mg/litre

8. The resultant pressure of water on the face of dam is equal to ____________________ ?

   A. 1/2 WH2
   B. 1/2 WH
   C. WH
   D. All are correct

9. Aeration holes are provided to reduce the inside saturation pressure ____________________?

   A. In a weir with end contractions
   B. In a suppressed weir
   C. In a cippoletti weir
   D. In all weir

10. The centre of pressure of a plane submerged area which holds it in equilibrium is ____________________?

    A. Always below the centre of gravity of the area
    B. Coincident with centroid of area if its plane is vertical
    C. Always above the centroid of the area
    D. Independent of the inclination of area