B:-the average friction factor in both the system is same
C:-the total length of the pipes is the same in both the systems
D:-the discharge under the same head is same in both the systems
Correct Answer:- Option-D
Question39:-In open channel water flows under
A:-force of gravity
B:-atmospheric pressure
C:-hydrostatic pressure
D:-mechanical pressure
Correct Answer:- Option-A
Question40:-weir may be used to measure
A:-velocity of flow
-pressure
C:-discharge in a river or channel
D:-kinetic energy
Correct Answer:- Option-C
Question41:-The direction of flow of liquid in a propeller pump impeller is in
A:-outward radial direction
xial direction
ward radial direction
D:-the direction tangential to the impeller
Correct Answer:- Option-B
Question42:-The ratio of volume of voids to the total volume of the given soil mass, is known as
A:-porosity
-void ratio
C:-specific gravity
D:-water content
Correct Answer:- Option-A
Question43:-Dry density of soil is
A:-always greater than the saturated density
B:-ratio of the weight of soil solids to the volume of solids
C:-ratio of the weight of soil solids to the total volume
D:-determined by stregth test
Correct Answer:- Option-C
Question44:-The effective size of a soil is
A:-D10
B:-D30
C:-D20
0-00
Correct Answer:- Option-A
Question45:-A soil having uniformity coefficient more than 10 is called
A:-uniform
B:-fine
C:-coarse
D:-well graded soil
Correct Answer:- Option-D
Question46:-The property of a soil which permits flow of water through its interconnected voids is called
A:-seepability
B:-porosity
C:-permeability
D:-void ratio
Correct Answer:- Option-C
Question47:-The functional equation for specific gravity G ,water content w,void ratio e and degree of saturation Sr is
A:-w= Sr G/e
= Sr wiG
C:-Sr= wG/e
D:-G=Sr w/e
Correct Answer:- Option-C