Related Questions

In area meter (e.g., rotameter), with increase in the fluid flow rate, the
A Pressure drop increases linearly
B Pressure drop is almost constant
C Area through which fluid flows does not vary
D None of these
In case of a rotameter, the density of the float material is __________ that of the liquid it replaces.
A More than
B Less than
C Equal to
D Either A or B
In which type of fluid flow, the velocity of flow of fluid changes from point to point in the fluid at any instant?
A Rotational
B Unsteady
C Turbulent
D Non-uniform
When the load on the engine increases, it becomes necessary to increase the supply of working fluid and when the load decreases, less working fluid is required. The supply of the working fluid to the engine is controlled by a
A D-slide valve
B governor
C Meyer’s expansion valve
D flywheel
Rotameter is a device used to measure
A absolute pressure
B velocity of fluid
C flow
D rotation
The range of a particular rotameter can be increased by
A Use of floats of different densities
B No means
C Increasing the diameter of the float
D Decreasing the diameter of the float
A rotameter works on the principle of __________ pressure drop.
A Constant
B Variable
C Both A & B
D Neither A nor B
The operation of a rotameter is based on
A Variable flow area
B Rotation of a turbine
C Pressure drop across a nozzle
D Pressure at a stagnation point
Consider the following segment : int d=4 float f= (1/flaot(d))*5; what will be the value for float variable f?
A 1.25
B 0.1
C 5
সি-ভাষার ধ্রুবক ঘোষণা করার নিয়ম হলো-i. Const float pi=3.1416ii. float pi= 3.1416ii. # define pi = 3.1416 নিচের কোনটি সঠিক?
A i ও ii
B i ও iii
C ii ও iii
D i, ii ও ili

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