Hydraulics and Fluid Mechanics in ME According to fan laws, for the fans having constant wheel diameters, the power demand varies Square root of fan speed Directly as fan speed Square of fan speed Cube of fan speed Square root of fan speed Directly as fan speed Square of fan speed Cube of fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The force of buoyancy is always __________ the weight of the liquid displaced by the body. Equal to More than None of these Less than Equal to More than None of these Less than ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In order to avoid tendency of separation at throat in a Venturimeter, the ratio of the diameter at throat to the diameter of pipe should be 1/4 to 1/3 1/3 to 1/2 1/16 to 1/8 1/8 to 1/4 1/4 to 1/3 1/3 to 1/2 1/16 to 1/8 1/8 to 1/4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A weir, generally, used as a spillway of a dam is Submerged weir Ogee weir Narrow crested weir Broad crested weir Submerged weir Ogee weir Narrow crested weir Broad crested weir 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 Archimedes’ principle Equilibrium of a floating body Buoyancy Bernoulli’s theorem Archimedes’ principle Equilibrium of a floating body Buoyancy Bernoulli’s theorem ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal to 1000 kg 1 kg 100 kg 10 kg 1000 kg 1 kg 100 kg 10 kg ANSWER DOWNLOAD EXAMIANS APP
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