Hydraulics and Fluid Mechanics in ME The cavitation in a hydraulic machine Reduces the discharge of a turbine Causes sudden drop in power output and efficiency All of these Causes noise and vibration of various parts Reduces the discharge of a turbine Causes sudden drop in power output and efficiency All of these Causes noise and vibration of various parts ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific speed of a turbine is the speed of an imaginary turbine, identical with the given turbine, which Delivers unit discharge under unit speed Develops unit power under unit head Delivers unit discharge under unit head Develops unit power under unit speed Delivers unit discharge under unit speed Develops unit power under unit head Delivers unit discharge under unit head Develops unit power under unit speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In reaction turbine, draft tube is used To increase flow rate For safety of turbine To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section To transport water downstream without eddies To increase flow rate For safety of turbine To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section To transport water downstream without eddies ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a footstep bearing, if the speed of the shaft is doubled, then the torque required to overcome the viscous resistance will be Double Eight times Sixteen times Four times Double Eight times Sixteen times Four times ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Slip of a reciprocating pump is negative, when Suction pipe is short and delivery pipe is long and the pump is running at low speeds Delivery pipe is long and pump is running at high speeds Suction pipe is short and pump is running at low speeds Suction pipe is long and delivery pipe is short and the pump is running at high speeds Suction pipe is short and delivery pipe is long and the pump is running at low speeds Delivery pipe is long and pump is running at high speeds Suction pipe is short and pump is running at low speeds Suction pipe is long and delivery pipe is short and the pump is running at high speeds ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The overall efficiency of a reaction turbine is the ratio of None of these Power produced by the turbine to the energy actually supplied by the turbine Work-done on the wheel to the energy (or head of water) actually supplied to the turbine Actual work available at the turbine to the energy imparted to the wheel None of these Power produced by the turbine to the energy actually supplied by the turbine Work-done on the wheel to the energy (or head of water) actually supplied to the turbine Actual work available at the turbine to the energy imparted to the wheel ANSWER DOWNLOAD EXAMIANS APP
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