Home
About Us
Contact Us
Privacy Policy
Search
Home
→
Fluid Mechanics for Chemical
→
The resistance wire used in a hot wire anemometer for conducting electrical current is made of__________________?
Related MCQs
The terminal velocity of a solid spherical particle falling through a stationary fluid mass in the Stoke’s law range is proportional to the__________?
The most suitable flow measuring device for the fluid flow measurement in a very large diameter pipeline is a__________?
The bulk modulus of elasticity of a liquid__________?
In case of isentropic flow, the speed of sound in an ideal gas is proportional to (where M = molecular weight of the gas) ?
In the laminar boundary layer flow over a flat plate, the ratio (δ/x) varies as: (where, ‘δ’ is the boundary layer thickness and ‘x’ is the distance from the leading edge in the direction of flow)?
An ideal nozzle design aims at__________?
One horsepower is equal to__________?
In case of isentropic flow, the speed of sound in an ideal gas is proportional to (where, T = absolute temperature) ?
With increase in the ratio of orifice diameter to pipe diameter, the fraction of the orifice pressure differential that is permanently lost__________?
Acceleration head in a reciprocating pump__________?
In case of a __________ the energy of flow is considerably decreased downstream of the machine?
The normal stress is the same in all directions at a point in a fluid, when the fluid is__________?
A pipe is defined as ‘hydraulically smooth’, if the friction factor__________?
Dean number is concerned with the__________?
The maximum delivery pressure of compressors can be upto __________ atmospheres?
In case of centrifugal fan or blower, the gas capacity varies as __________?
The dimension of dynamic viscosity is__________?
Which of the following can be used for the direct measurement of volumetric flow rate of slurry ?
Foot valves provided in pumps are __________ valves?
At a constant speed of the centrifugal pump, it‟s __________ the impeller diameter?
In case of hydraulically smooth pipe, the resistance to flow depends only on the Reynolds number, whereas for a hydraulically rough pipe, the resistance to flow is governed by the relative roughness. Two pipes are said to have the same hydraulic roughness, when they have equal values of__________?
The velocity profile for a Bingham plastic fluid flowing (under laminar conditions) in a pipe is__________?
When the momentum of one fluid is used for moving another fluid, such a device is called a/an__________?
Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition.
Schedule number of a pipe, which is a measure of its wall thickness, is given by __________?
For an unstable equilibrium of a floating body (where, M = metacentre.) ?
Laminar flow of a Newtonian fluid ceases to exist, when the Reynolds number exceeds__________?
The equation f-0.5 = 4.07 loge (NRe √f)-0.6 is called the __________?
A Bingham fluid of viscosity μ = 10 Pa.s and yield stress, η0 = 10 KPa, is shared between flat parallel plates separated by a distance of 10-3 m. The top plate is moving with a velocity of 1 m/s. The shear stress on the plate is__________?
The Prandtl Pitot tube measures the__________?
Dimension of absolute viscosity is__________?
Purpose of hydraulic accumulator is to__________?
All pipes of a particular nominal size have the same__________?
What is the co-efficient of contraction, if a fluid jet discharging from a 50 mm diameter orifice has a 40 mm diameter at its vena-contracta ?
For Laminar flow through a packed bed, the pressure drop is proportional to (Vs is the superficial liquid velocity and Dp is the particle diameter) ?
Vena-contracta formed during flow of a liquid through an orificemeter has__________?
The pitot static tube does not measure the __________ pressure?
The unit of dynamic viscosity in SI unit is__________?
Power loss in an orificemeter is __________ that in a Venturimeter?
Which of the following has the minimum compressibility ?
Nominal size of the discharge pipe of a pump is usually __________ the nominal size of the inlet pipe?
The net positive suction head (NPSH) of a centrifugal pump is defined as the sum of the velocity head and the pressure head at the__________?
Boundary layer thickness in turbulent flow over a flat plate increases as(where, d = distance from the leading edge.) ?
Mach number is important in a fluid flow problem, when the inertia and __________ forces predominate?
What is the ratio of fluid carrying capacity of two pipes having diameters d1 and d2 respectively ?
Momentum transfer in laminar flow of fluids results due to the__________?
Cavitation in a centrifugal pump can be avoided by keeping the__________?
Stoke’s law is valid, when NRe, p is less than__________?
Gradually varied flow in open channel is a/an __________ flow?
In case of supersonic flow of a fluid through pipeline, the ‘Mach number’ is__________?
The flow of gas along a pipe in the direction of decreasing pressure causes decrease in its__________?
The resistance wire used in a hot wire anemometer for conducting electrical current is made of__________________?
A. Copper
B. Tungsten
C. Chromium
D. Aluminium
Correct Answer:
Tungsten
✔
Last Updated:
March 10, 2019