The value of bulk modulus of a fluid is required to determine Froude's number Mach number Reynold's number Euler's number TRUE ANSWER : ? YOUR ANSWER : ?
Barometer is used to measure Difference of pressure between two points Very low pressure Atmospheric pressure Pressure in pipes, channels etc. TRUE ANSWER : ? YOUR ANSWER : ?
If the depth of water in an open channel is less than the critical depth, the flow is called Critical flow Turbulent flow Torrential flow Tranquil flow TRUE ANSWER : ? YOUR ANSWER : ?
A hydraulic accumulator normally consists of A cylinder and a ram A cylinder, a piston, storage tank and control valve Two coaxial rams and two cylinders Two cylinders, two rams and a storage device TRUE ANSWER : ? YOUR ANSWER : ?
According to fan laws, for fans having constant wheel diameter, the air or gas capacity varies Cube of fan speed Directly as fan speed Square of fan speed Square root of fan speed TRUE ANSWER : ? YOUR ANSWER : ?
When a cylindrical vessel, containing some liquid, is rotated about its vertical axis, the liquid surface is depressed down at the axis of its rotation and rises up near the walls of the vessel on all sides. This type of flow is known as Vortex flow Uniform flow Turbulent flow Steady flow TRUE ANSWER : ? YOUR ANSWER : ?
The increase in pressure at the outer edge of a drum of radius (r) completely filled up with liquid of density (ρ) and rotating at (ω) rad/s is 2ρ ω2 r2 ρ ω2 r2/2 ρ ω2 r2/4 ρ ω2 r2 TRUE ANSWER : ? YOUR ANSWER : ?
Whenever a plate is held immersed at some angle with the direction of flow of the liquid, it is subjected to some pressure. The component of this pressure, in the direction of flow of the liquid, is known as Stagnation pressure Drag Lift Bulk modulus TRUE ANSWER : ? YOUR ANSWER : ?
High specific speed of a pump implies it is Centrifugal pump Any one of the above Mixed flow pump Axial flow pump TRUE ANSWER : ? YOUR ANSWER : ?