Related Questions

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
As the fluid flow rate increases, the float of the rotameter
A Rises in the tube
B Rotates at higher speed
C Rotates at lower speed
D Drops down in the tube
A rotameter works on the principle of __________ pressure drop.
A Constant
B Variable
C Both A & B
D Neither A nor B
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 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
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
Which of the following represents examples of an IT input device, output device and storage device respectively ?
A bar code reader, CD drive, projector
B keyboard, monitor, hard disc
C printer, DVD drive, joystick
D printer, mouse, monitor
The barcode which is used on all types of items, is read by a scanning device directly into the computer. What is the name of this scanning device?
A Laser scanner
B Wand
C OCR
D MICR
E None of the above
What is the name of the storage device which is used to compensate for the difference in rates of flow of data from once device to another?
A Cache
B Concentrator
C Buffer
D I/O device
E None of the above
Which of the following device is used to measure humidity?
A Hydrometer
B Hygrometer
C Psycho Meter
D Anemometer

Next steps