Hydraulics and Fluid Mechanics in ME Alcohol is used in manometers because It has low vapour pressure It has low surface tension It can provide longer column due to low density It is clearly visible It has low vapour pressure It has low surface tension It can provide longer column due to low density It is clearly visible ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A jet of water discharging from a 40 mm diameter orifice has a diameter of 32 mm at its vena contracta. The coefficient of contraction is 0.46 0.87 0.64 0.78 0.46 0.87 0.64 0.78 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Two pipe systems can be said to be equivalent, when the following quantites are same friction factor and diameter flow and length length and diameter friction loss and flow friction factor and diameter flow and length length and diameter friction loss and flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following is an incorrect statement ? Flow nozzle is cheaper than venturimeter but has higher energy loss Coefficient of contraction of a venturimeter is unity None of these Discharge is independent of orientation of venturimeter whether it is horizontal, vertical or inclined Flow nozzle is cheaper than venturimeter but has higher energy loss Coefficient of contraction of a venturimeter is unity None of these Discharge is independent of orientation of venturimeter whether it is horizontal, vertical or inclined ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow is called hyper-sonic, if the Mach number is Between 1 and 6 Unity None of these Less than unity Between 1 and 6 Unity None of these Less than unity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The resultant upward pressure of a fluid on a floating body is equal to the weight of the fluid displaced by the body. This definition is according to Buoyancy Bernoulli’s theorem Archimedes’ principle Equilibrium of a floating body Buoyancy Bernoulli’s theorem Archimedes’ principle Equilibrium of a floating body ANSWER DOWNLOAD EXAMIANS APP
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