Explore topic-wise MCQs in Chemical Engineering.

This section includes 85 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Engineering knowledge and support exam preparation. Choose a topic below to get started.

51.

What is the 100oC in degree Fahrenheit?

A. 0oF
B. 100oF
C. 212oF
D. 460oF
Answer» D. 460oF
52.

What is the 40oF in degree Rankine?

A. 313oR
B. 460oR
C. 500oR
D. 672oR
Answer» D. 672oR
53.

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?

A. 81
B. 25
C. 162
D. 100
Answer» D. 100
54.

Volume of an object is dependent upon its temperature in degree Celsius as V = a + bTC, what is the dependence of volume upon temperature in degree Rankine?

A. V = a + 32b + 9bTR/5
B. V = a + 492b + 9bTR/5
C. V = a + 492b + 5bTR/9
D. None of the mentioned
Answer» C. V = a + 492b + 5bTR/9
55.

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?

A. 5 kg/m3
B. 10 kg/m3
C. 15 kg/m3
D. 20 kg/m3
Answer» B. 10 kg/m3
56.

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?

A. 81T2 + 24800
B. 81T2 - 24800
C. 25T2 + 24800
D. 25T2 - 24800
Answer» C. 25T2 + 24800
57.

What is the temperature 100oC in degree Rankine?

A. 100oR
B. 212oR
C. 560oC
D. 672oC
Answer» E.
58.

What is the pressure of 190 torr in atm?

A. 0.25
B. 0.5
C. 0.8
D. 1
Answer» B. 0.5
59.

What is the pressure of 38 mm Hg in atm?

A. 0.05
B. 0.5
C. 1
D. 5
Answer» B. 0.5
60.

What is the pressure of 19 mm Hg in pascal?

A. 1012
B. 2533
C. 3654
D. 6412
Answer» C. 3654
61.

What is the pressure of 1900 mm Hg in atm?

A. 0.5
B. 1
C. 1.5
D. 2.5
Answer» E.
62.

What is the pressure of 200 kPa in bars?

A. 0.25
B. 0.5
C. 1
D. 2
Answer» E.
63.

What is the value of 100oC in degree Fahrenheit?

A. 212oF
B. 460oF
C. 672oF
D. 884oF
Answer» B. 460oF
64.

Let us say temperature of a body in degree Celsius and degree Rankine are related as TC = 50 + 3TR, what is the change in temperature in Kelvin, if the change in temperature in degree Rankine is 100oR?

A. 300 K
B. 180 K
C. 100 K
D. 90 K
Answer» B. 180 K
65.

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

A. 12.31 atm
B. 24.63 atm
C. 36.95 atm
D. 48.94 atm
Answer» C. 36.95 atm
66.

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?

A. 100 N/m2
B. 250 N/m2
C. 500 N/m2
D. 1000 N/m2
Answer» D. 1000 N/m2
67.

What is the pressure of 1900 Torr in bar?

A. 2.1
B. 2.3
C. 2.4
D. 2.5
Answer» D. 2.5
68.

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?

A. 500 kg/m3
B. 1000 kg/m3
C. 1500 kg/m3
D. 2000 kg/m3
Answer» E.
69.

What is the pressure of 380 Torr in bar?

A. 0.13
B. 0.49
C. 0.5
D. 1
Answer» C. 0.5
70.

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

A. 2 Pa
B. 4 Pa
C. 8 Pa
D. 10 Pa
Answer» B. 4 Pa
71.

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

A. 1 Pa
B. 2 Pa
C. 5 Pa
D. 10 Pa
Answer» B. 2 Pa
72.

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

A. 0.5 Pa
B. 1 Pa
C. 2 Pa
D. 4 Pa
Answer» C. 2 Pa
73.

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?

A. 5 N/m2
B. 10 N/m2
C. 15 N/m2
D. 20 N/m2
Answer» B. 10 N/m2
74.

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?

A. 1 atm
B. 1.1 atm
C. 1.2 atm
D. 1.3 atm
Answer» C. 1.2 atm
75.

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

A. Manometer
B. Piezometer
C. Differential Manometer
D. None of the mentioned
Answer» C. Differential Manometer
76.

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?

A. 10 N/m2
B. 5 N/m2
C. 2.5 N/m2
D. 1 N/m2
Answer» C. 2.5 N/m2
77.

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?

A. 0.1 atm
B. 0.24 atm
C. 0.36 atm
D. 0.9 atm
Answer» C. 0.36 atm
78.

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?

A. 2 Kg/m3
B. 4 Kg/m3
C. 6 Kg/m3
D. 8 Kg/m3
Answer» E.
79.

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?

A. 0.5 atm-s2/m2
B. 1 atm-s2/m2
C. 1.5 atm-s2/m2
D. 2 atm-s2/m2
Answer» B. 1 atm-s2/m2
80.

A barometer has liquid-1 with density 1 Kg/m3 and height 10 cm below the outside level above that a liquid-2, if the gauge pressure of gas is 0.5 Pa, what is the pressure liquid-2?

A. 0.5 Pa
B. 1 Pa
C. 1.5 Pa
D. 2 Pa
Answer» B. 1 Pa
81.

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?

A. 1 cm
B. 2 cm
C. 3 cm
D. 4 cm
Answer» C. 3 cm
82.

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?

A. 5 mm
B. 10 mm
C. 50 mm
D. 100 mm
Answer» D. 100 mm
83.

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?

A. 0.01 Pa
B. 0.05 Pa
C. 0.1 Pa
D. 0.5 Pa
Answer» E.
84.

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?

A. 0.5 atm + 1 Pa
B. 1 atm + 0.5 Pa
C. 1.5 atm + 1 Pa
D. 2 atm + 0.5 Pa
Answer» C. 1.5 atm + 1 Pa
85.

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

A. 0.01 atm-m2-s2/kg
B. 0.05 atm-m2-s2/kg
C. 0.1 atm-m2-s2/kg
D. 0.5 atm-m2-s2/kg
Answer» C. 0.1 atm-m2-s2/kg