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This quiz contains multiple-choice problems on pressure distribution in fluids, measurement of fluid pressure, Pascal’s law and the pressure at a point in compression fluids.
What is the pressure at a depth of 1 m below the water surface in pascals?
98100 Pa
980 Pa
98 Pa
1 Pa
15 bar equals __ Pa.
105
1.5 x 106
100
1000
The pressure at any given point of a non-moving fluid is called
Gauge pressure
Atmospheric pressure
Differential pressure
Hydrostatic pressure
What type of liquids are measured using a manometer?
Heavy liquids
Medium liquids
Light liquids
Heavy and light liquids
Which of the following devices are best suited for measuring high-pressure liquids with high accuracy?
Dead weight gauge
Vacuum gauge
Manganin wire pressure
Ionization gauge
How do we measure the flow rate of a liquid?
Coriolis method
Dead weight method
Conveyor method
Ionization method
What instrument is used for the automatic control scheme during the fluid flow?
Rotameters
Pulley plates
Rotary piston
Pilot static tube
Define viscosity.
Resistance to flow of an object
Resistance to flow of air
Resistance to flow of fluid
Resistance to flow of heat
What is the viscosity of water at 30 °C?
80.1
0.801
801
0.081
A hydraulic press has a ram of 30 cm diameter and a plunger of 2 cm diameter. It is used for lifting weights up to 35 kN. Find the force required at the plunger.
233.3 kN
311.1 kN
466.6 kN
155.5 kN
An open tank contains water at a depth of 350 cm and above it, an oil of specific gravity 0.65 at a depth of 2.5 m. Find the pressure intensity at the extreme bottom of the tank.
5.027 N/cm^2
10.05 N/cm^2
2.51 N/cm^2
None of the above
The pressure at a point in the fluid is 4.9 N/cm2. Find height when the fluid under consideration is in oil of specific gravity 0.85.
5.83 m
11.66 m
17.49 m
8.74 m
The device used to measure fluid pressure is called
Hygrometer
Calorimeter
Manometer
Thermometer
The diameters of two pistons of a hydraulic jack are 45 mm and 100 mm respectively. A force of 0.09 kN is applied on the smaller piston. Find the load lifted by piston if smaller piston is 40 cm above the large piston. The density of fluid is 850 kg/m^3.
60 N/cm^2
12 N/cm^2
30 N/cm^2
None of the above
If fluid is at rest in a container of narrow mouth at a certain column height and same fluid is at rest at same column height in a container having broad mouth, will the pressure be different at certain depth from fluid surface?
Pressure will be same for both.
Pressure will be more for narrower mouth
Pressure will be less for narrower mouth
None of the above
