Related Questions

Who indirectly determined the mass of the electron by measuring the charge of the electron?
A Thomson
B Millikan
C Rutherford
D Einstein
Which of the following fluid flow measuring devices can measure the largest flow rate?
A V-notch
B Rotameter
C Orificemeter
D Weir
The most suitable flow measuring device for the fluid flow measurement in a very large diameter pipeline is a
A Weir
B Pitot tube
C Kennison nozzle
D V-notch
Applying a pressure drop across a capillary results in a volumetric flow rate 'Q' under laminar flow conditions. The flow rate for the same pressure drop, in a capillary of the same length but half the radius is
A $$\frac{{\text{Q}}}{2}$$
B $$\frac{{\text{Q}}}{4}$$
C $$\frac{{\text{Q}}}{8}$$
D $$\frac{{\text{Q}}}{{16}}$$
Which is the most efficient and best for measuring very small flow rate of gases?
A Venturimeter
B Orifice meter
C Rotameter
D Flow nozzle
A man wishes to cover his floor with tiles, each one measuring 3/4 inch by 2 inches. If his room is rectangular, measuring 12 feet by 18 feet, how many such tiles will he need?
A 144
B 1152
C 1728
D 20736
A free electron is a valence electron that has broken away from its parent atom.
A True
B False
Which one of the following devices is most often used for measuring opposition to current flow in a circuit?
A Ammeter
B Voltmeter
C Ohmmeter
D Wattmeter
E None of the above
The water in a fish tank measuring 114 feet by 8 inches is 7 inches high. The water is poured into another tank measuring 14 inches by 20 inches. What will be the height of water, in inches, in the second tank?
A 1/4
B 2
C 3
D 1/12
In a/an __________ , the flow rate of fluids is obtained by measuring the difference between the impact and the static pressure.
A Rotameter
B Pitot tube
C Venturimeter
D Flow nozzle

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