What is the gauge pressure experienced by a pressure sensor, if the atmospheric pressure of a fluid is 1 atm, absolute pressure is 6 atm and differential pressure is 2 atm?

What is the absolute pressure experienced by a pressure sensor, if the atmospheric pressure of a fluid is 2 atm, gauge pressure is 5 atm and differential pressure is 3 atm?

A

5 pascal

B

5 Atm

C

7 barye

D

7 Atm

A student wants to find the absolute pressure of water at a point below the surface of water. He has a barometer and a manometer pressure gauge. The barometer reads 1.3152 bar where as the manometer pressure gauge reads 0.3152 bar. What is the absolute pressure? (Assume that pressure at one end of the manometer is atmospheric.)

A

1 bar

B

1.6304 bar

C

0.3152 bar

D

1.3152 bar

Consider the following statements.
1. SI unit of atmospheric pressure is Nm^-2 or pascal and CGS unit is dyne/cm².
2. The barometer is a device by which the atmospheric pressure is measured.
3. The standard atmospheric pressure is the pressure required of 76 cm of Hg column or 760 mm of Hg column, which is equivalent to 1 atm.
Which of the statements given above is/are correct?

A

1 and 2

B

Only 1

C

2 and 3

D

1, 2 and 3

Which of the following option is correct for given statements? Statement 1: Slip gauge and its accessories can be used as a limit gauge. Statement 2: Slip gauge and accessories can be used for the measurement of plug gauge but not for ring gauges.

A

T, F

B

F, F

C

T, T

D

F, T

Bernoulli's equation for fluid flow is derived following certain assumptions. Out of the assumptions listed below, which set of assumptions is used in derivation of Bernoulli's equation?
1. Fluid flow is frictionless & irrotational
2. Fluid flow is steady
3. Fluid flow is uniform & turbulent
4. Fluid is compressible
5. Fluid is incompressible

A

1, 3, 4

B

2, 4, 5

C

1, 2, 5

D

1, 4, 5

In a U-tube manometer, one end is open to the atmosphere, the other end attached to a pressurized gas of gauge pressure 40 kPa. The height of the fluid column in the atmospheric side is 60 cm, and that on the gas side is 30 cm. The manometic fluid used is: (Take g = 9.8 m/s2).

A

Water

B

Liquid ammonia

C

Oil

D

Mercury

Gauge pressure is the summation of absolute pressure and atmospheric pressure.

A

True

B

False

The reading of the pressure gauge fitted on a vessel is 25 bar. The atmospheric pressure is 1.03 bar and the value of 'g' is 9.81 m/s². The absolute pressure in the vessel is

A

23.97 bar

B

25 bar

C

26.03 bar

D

34.81 bar

The figure shows the plot of y as a function of x

The function shown is the solution of the differential equation (assuming all initial conditions to be zero) is

A

$$\frac{{{{\text{d}}^2}{\text{y}}}}{{{\text{d}}{{\text{x}}^2}}} = 1$$

B

$$\frac{{{\text{dy}}}}{{{\text{dx}}}} = {\text{x}}$$

C

$$\frac{{{\text{dy}}}}{{{\text{dx}}}} = - {\text{x}}$$

D

$$\frac{{{\text{dy}}}}{{{\text{dx}}}} = \left| {\text{x}} \right|$$

Gauge pressure at a point is equal to the absolute pressure __________ the atmospheric pressure.

A

Plus

B

Minus

C

Divide

D

Multiply