Engineering/Chemical Engineering Mcq Question Set 3 Sample Test,Sample questions

Question:
 A barometer has liquid level 10 cm above the outside level and the gas captured inside has the pressure of 0.5 atm, what is the density of liquid?

1.0.5 atm-s2/m2

2.1 atm-s2/m2

3.1.5 atm-s2/m2

4.2 atm-s2/m2


Question:
 A barometer has liquid of density 1 kg/m3 of level 5 cm below the outside level, what is the pressure of the gas captured inside?

1. 0.5 atm + 1 Pa

2.1 atm + 0.5 Pa

3.1.5 atm + 1 Pa

4.2 atm + 0.5 Pa


Question:
 A hydraulic lever has input surface area 2 m2, and output surface area 10 m2, if the input force is 5 N, then what is the output force?

1. 1 N

2.2 N

3.5 N

4.10 N


Question:
 A U-tube manometer is closed at both ends one end is vacuum and other end has a gas, if the difference in level of mercury is h = 10 mm, what is the pressure of gas?

1.1.33 Pa

2.1.45 Pa

3.1.56 Pa

4.1.75 Pa


Question:
 Heat capacity of a substance is given by C = BT2, where T is in degree Fahrenheit and the value of B is 50, what is the value of B if T is in degree Celsius?

1.81

2.25

3.162

4. 100


Question:
 What is the pressure if 10 N of force acts at 30 degrees from the surface of area 5 m2?

1.1 Pa

2.2 Pa

3.5 Pa

4.10 Pa


Question:
1 psi equals how many kilopascal?

1. 5.249

2.6.894

3.7.489

4.8.846


Question:
10 mm of water (density = 1000 kg/m3) and 5 mm of a liquid has the same pressure drop, what is the density of liquid?

1. 500 kg/m3

2.1000 kg/m3

3.1500 kg/m3

4.2000 kg/m3


Question:
A barometer has liquid with density 1 Kg/m3, and the gas has pressure 0.5 atm, what is the height of liquid level?

1.0.01 atm-m2-s2/kg

2.0.05 atm-m2-s2/kg

3. 0.1 atm-m2-s2/kg

4.0.5 atm-m2-s2/kg


Question:
A barometer has liquid-1 with density 5 Kg/m3 and height 10 cm below the outside level above that there is liquid-2 of length 5 cm, if the gauge pressure of the gas is 1 Pa, what is the density of liquid-2?

1. 2 Kg/m3

2. 4 Kg/m3

3.6 Kg/m3

4.8 Kg/m3


Question:
A barometer the liquid-1 with density 2 Kg/m3 and height 5 cm below the outside level and above that liquid-2 with density 0.5 Kg/m3 and length 10 cm, what is the gauge pressure of the gas?

1.0.01 Pa

2.0.05 Pa

3.0.1 Pa

4.0.5 Pa


Question:
A closed end manometer is filled with a gas on one end and other end is close with vacuum, height difference of liquid (density = 10000 Kg/m3) 25 cm, what is the pressure of gas?

1.0.1 atm

2.0.24 atm

3. 0.36 atm

4.0.9 atm


Question:
A closed manometer is filled with 3 fluids first on the left leg with density 8 kg/m3 and length 10 cm, middle one with density 10 kg/m3 and height difference 5 cm more on right leg and the third on the right leg with density 15 kg/m3, what is the length of the third liquid?

1.1 cm

2. 2 cm

3.3 cm

4.4 cm


Question:
A Closed U-tube manometer has a gas at one end and vacuum at other end, if the height difference of the liquid (density = 10 kg/m3) in the manometer in 5 cm, what is the pressure of the gas?

1.10 N/m2

2.5 N/m2

3.2.5 N/m2

4.1 N/m2


Question:
A closed U-tube manometer has a gas on one end with pressure 10 Pa and other end has vacuum, what is the approximate density of the liquid if the height difference of the liquid is 10 cm?

1.1 Kg/m3

2.10 Kg/m3

3.100 Kg/m3

4.1000 Kg/m3


Question:
A closed U-tube manometer has a gas on one end with pressure 5 Pa and other end has vacuum, what is the approximate height difference of the liquid if the density of liquid is 10 Kg/m3?

1. 5 mm

2. 10 mm

3.50 mm

4. 100 mm


Question:
A U-tube manometer is open at one end and has a gas at the other end if the level of the mercury in both legs of the manometer is equal then what is the temperature of the gas?

1.1 Pa

2. 1 Torr

3.1 mm Hg

4.1 atm


Question:
An object is dipped in water, if the weight of the object measured by spring balance is 10 g and buoyancy force acting on the object is 0.1 N then what is the actual mass of the object?

1. 10 g

2.20 g

3.30 g

4.40 g


Question:
An open end manometer is filled with a gas on one end and other end is open to atmosphere with height difference of liquid (density = 10000 Kg/m3) 10 cm, what is the pressure of gas?

1.1 atm

2.1.1 atm

3.1.2 atm

4.1.3 atm


Question:
An open tank 10 m deep is completely filled with a liquid of density 5 kg/m3, what is the pressure difference at the top and bottom?

1.100 N/m2

2.250 N/m2

3.500 N/m2

4.1000 N/m2


Question:
Archimedes’ principle describes which of the following quantities?

1.Pressure

2.Buoyancy

3.Velocity

4. Mass


Question:
Bernoulli’s Equation is the conservation of?

1.Energy

2.Momentum

3.Pressure

4.Mass


Question:
Heat capacity of a substance is given by C = 800 – 1600T + 25T2, where T is temperature in degree Fahrenheit, what is the heat capacity if temperature is in degree Celsius?

1.81T2 + 24800

2.81T2 – 24800

3.25T2 + 24800

4.25T2 – 24800


Question:
How many Pascal does 1 bar have?

1.104

2.105

3.106

4.107


Question:
Mass and volume of an object is dependent on its temperature in kelvin as m = 5t2 kg and v = (400 + 600t) m3 respectively, then what is the density of the object at t = 27oC?

1.5 kg/m3

2.10 kg/m3

3.15 kg/m3

4.20 kg/m3


Question:
What is the 100oC in degree Fahrenheit?

1.0oF

2. 100oF

3. 212oF

4. 460oF


Question:
What is the 40oF in degree Rankine?

1.313oR

2.460oR

3.500oR

4.672oR


Question:
What is the difference between manometer and differential manometer?

1.Differential manometer has gas in empty space

2.Manometer has gas in empty space

3. Differential manometer has liquid in empty space

4. Manometer has liquid in empty space


Question:
What is the pressure difference of the ends of a U-tube manometer filled with liquid (density = 10 kg/m3) the difference in the height of the liquid in the tubes is 5 cm?

1. 5 N/m2

2.10 N/m2

3.15 N/m2

4.20 N/m2


Question:
What is the pressure if 10 N of force acts at 60 degrees from the normal of a 5 m2 surface?

1.0.5 Pa

2. 1 Pa

3.2 Pa

4.4 Pa


Question:
What is the pressure if 10 N of force is acting normally on 5 m2 surface area?

1.2 Pa

2. 4 Pa

3.8 Pa

4.10 Pa


Question:
What is the pressure of 1 mole of an ideal gas at 27oC occupying 1 Liter of volume?

1.12.31 atm

2.24.63 atm

3.36.95 atm

4.48.94 atm


Question:
What is the pressure of 19 mm Hg in pascal?

1.1012

2.2533

3.3654

4.6412


Question:
What is the pressure of 190 torr in atm?

1.0.25

2. 0.5

3.0.8

4.1


Question:
What is the pressure of 1900 mm Hg in atm?

1.0.5

2.1

3.1.5

4. 2.5


Question:
What is the pressure of 1900 Torr in bar?

1.2.1

2.2.3

3. 2.4

4.2.5


Question:
What is the pressure of 200 kPa in bars?

1.0.25

2.0.5

3. 1

4. 2


Question:
What is the pressure of 38 mm Hg in atm?

1. 0.05

2. 0.5

3.1

4.5


Question:
What is the pressure of 38 mm Hg in Torr?

1.0.05

2. 0.5

3.1

4.38


Question:
What is the pressure of 380 torr in atm?

1.0.5

2.1

3.2

4.4


Question:
What is the pressure of 380 Torr in bar?

1.0.13

2.0.49

3.0.5

4. 1


Question:
What is the pressure of 50 kPa in bars?

1.0.25

2. 0.5

3.1

4.2


Question:
What is the temperature 100oC in degree Rankine?

1.100oR

2.212oR

3.560oC

4.672oC


Question:
What is the value of 760 Torr in Pascal?

1.1.01325 X 105

2.6.025 X 105

3.12.05 X 104

4.3.0125 X 105


Question:
Which of the following device is used to measure the velocity of flow?

1.Manometer

2.Venturi meter

3.Pitot tube

4.None of the mentioned


Question:
Which of the following equals 760 mm of Hg?

1.1 atm

2.1 Pa

3.1 bar

4. 1 torr


Question:
Which of the following is not a pressure measuring device?

1.Manometer

2.Barometer

3.Galvanometer

4.None of the mentioned


Question:
Which of the following is not a unit of pressure?

1.Bar

2. N/m2

3.Kg/m2

4.Torr


Question:
Which of the following is used for the pressure measurement of only liquid?

1.Manometer

2.Manometer

3.Differential Manometer

4.None of the mentioned


Question:
Which of the following is used to measure a pressure of only gas?

1.U-tube manometer

2.Piezometer

3.Differential Manometer

4.None of the mentioned


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