The pitot tube is used to measure________________?
(A) velocity at stagnation point
(B) stagnation pressure
(C) static pressure
(D) dynamic pressure
The theoretical value of coefficient of contraction of a sharp edged orifice is_______________?
(A) 0.611
(B) 0.85
(C) 0.98
(D) 1.00
Due to each end contraction, the discharge of rectangular sharp crested weir is reduced by________________?
(A) 5%
(B) 10%
(C) 15%
(D) 20%
The pressure at the summit of a syphon is_______________?
(A) equal to atmospheric
(B) less than atmospheric
(C) more than atmospheric
(D) none of the above
Coefficient of velocity for Borda’s mouth piece running full is________________?
(A) 0.611
(B) 0.707
(C) 0.855
(D) 1.00
The major loss of energy in long pipes is due to_______________?
(A) sudden enlargement
(B) sudden contraction
(C) gradual contraction or enlargement
(D) friction
Which of the following has highest coefficient of discharge ?
(A) sharp edged orifice
(B) venturimeter
(C) Borda’s mouthpiece running full
(D) CipoUetti weir
The discharge over a broad crested weir is maximum when the depth of flow is_______________?
(A) H/3
(B) H/2
(C) 2 H/5
(D) 2 H/3
For a sphere of radius 15 cm moving with a uniform velocity of 2 m/sec through a liquid of specific gravity 0.9 and dynamic viscosity 0.8 poise, the Reynolds number will be_________________?
(A) 300
(B) 337.5
(C) 600
(D) 675
A right circular cylinder open at the top is filled with liquid and rotated about its vertical axis at such a speed that half the liquid spills out, then the pressure intensity at the center of bottom is___________________?
(A) zero
(B) one-fourth its value when cylinder was full
(C) one-half its value when cylinder was full
(D) cannot be predicted from the given data