Hydraulics and Fluid Mechanics in ME An object having 10 kg mass weighs 9.81 kg on a spring balance. The value of 'g' at this place is 10 m/sec² 9.75 m/sec² 9 m/sec 9.81 m/sec² 10 m/sec² 9.75 m/sec² 9 m/sec 9.81 m/sec² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The unit of kinematic viscosity in S. I. units is N-s/m2 m2/s N-m/s N-m N-s/m2 m2/s N-m/s N-m ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A glass tube of small diameter (d) is dipped in fluid. The height of rise or fall in the tube given by (where w = Specific weight of liquid, α = Angle of contact of the liquid surface, and σ = Surface tension) 4σ cosα/wd σ cosα/4wd wd/4σ cosα 4wd/σ cosα 4σ cosα/wd σ cosα/4wd wd/4σ cosα 4wd/σ cosα ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the Mach number is between ___ the flow is called super-sonic flow. 1 and 6 1 and 2.5 2.5 and 4 4 and 6 1 and 6 1 and 2.5 2.5 and 4 4 and 6 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If V1 and V2 are the velocities of water at inlet and outlet of the draft tube respectively, then the efficiency of a draft tube is (V1² - V2²) / V1² (V1 - V2) / V1 V1 / (V1 - V2) V1² / (V1² - V2²) (V1² - V2²) / V1² (V1 - V2) / V1 V1 / (V1 - V2) V1² / (V1² - V2²) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Rain drops are spherical because of viscosity surface tension forces atmospheric pressure air resistance viscosity surface tension forces atmospheric pressure air resistance ANSWER DOWNLOAD EXAMIANS APP
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