Hydraulics and Fluid Mechanics in ME According to Bazin's formula, the discharge over a rectangular weir is mL2g x H3/2 where m is equal to 0.003 + (H/0.405) 0.405 + (0.003/H) 0.003 + (0.405/H) 0.405 + (H/0.003) 0.003 + (H/0.405) 0.405 + (0.003/H) 0.003 + (0.405/H) 0.405 + (H/0.003) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The torque required to overcome viscous resistance of a footstep bearing is (where μ = Viscosity of the oil, N = Speed of the shaft, R = Radius of the shaft, and t = Thickness of the oil film) μπ²NR⁴/60t μπ²NR/60t μπ²NR³/60t μπ²NR²/60t μπ²NR⁴/60t μπ²NR/60t μπ²NR³/60t μπ²NR²/60t ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a single casing, multistage pump running at constant speed, the capacity rating is to be slightly lowered. It can be done by Some other alterations in the impeller Trimming the impeller size to the required size by machining Not possible Designing new impeller Some other alterations in the impeller Trimming the impeller size to the required size by machining Not possible Designing new impeller ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The relation between hydraulic efficiency (ηh), mechanical efficiency (ηm) and overall efficiency (ηo) is None of these ηm = ηm × ηh ηo = ηh × ηm ηh = ηo × ηm None of these ηm = ηm × ηh ηo = ηh × ηm ηh = ηo × ηm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of resistance is the ratio of Actual velocity of jet at vena-contracta to the theoretical velocity Actual discharge through an orifice to the theoretical discharge Area of jet at vena-contracta to the area of orifice Loss of head in the orifice to the head of water available at the exit of the orifice Actual velocity of jet at vena-contracta to the theoretical velocity Actual discharge through an orifice to the theoretical discharge Area of jet at vena-contracta to the area of orifice Loss of head in the orifice to the head of water available at the exit of the orifice ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The rise of liquid along the walls of a revolving cylinder about the initial level is _________ the depression of the liquid at the axis of rotation. Less than More than None of these Same as Less than More than None of these Same as ANSWER DOWNLOAD EXAMIANS APP