Explore topic-wise MCQs in Chemical Engineering.

This section includes 21 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the specific gravity of CO at 27oC and pressure 5 atm with respect to air (molecular wt. = 29 g) at 27oC and pressure 10 atm?

A. 0.48
B. 0.56
C. 0.64
D. 0.72View answer
Answer» B. 0.56
2.

What is the specific gravity of CO2 at 27oC and pressure 1 atm with respect to air of with density 1 g/L?

A. 1.23
B. 1.55
C. 1.78
D. 1.96View answer
Answer» D. 1.96View answer
3.

What is the molecular mass of an ideal gas with pressure 1 atm, and density 10 g/L at temperature 27oC?

A. 84.5 g
B. 135.1 g
C. 186.8 g
D. 246.3 gView answer
Answer» E.
4.

What is the density of O2 at 27oC with pressure 1 atm?

A. 1.1 g/L
B. 1.3 g/L
C. 1.5 g/L
D. 1.7 g/LView answer
Answer» C. 1.5 g/L
5.

88 grams of CO2 at 27oC is applying 5 atm pressure, what is the volume occupied by it?

A. 5.6 liter
B. 7.9 liter
C. 9.8 liter
D. 12.2 literView answer
Answer» D. 12.2 literView answer
6.

What is the pressure of a 5 liter/mole ideal gas at temperature 27oC?

A. 2.5 atm
B. 3.8 atm
C. 4.4 atm
D. 5.3 atmView answer
Answer» E.
7.

What is the shape of a V-T curve for ideal gas?

A. Straight line
B. Parabolic
C. Hyperbolic
D. EllipseView answer
Answer» B. Parabolic
8.

WHAT_IS_THE_DENSITY_OF_O2_AT_27OC_WITH_PRESSURE_1_ATM??$

A. 1.1 g/L
B. 1.3 g/L
C. 1.5 g/L
D. 1.7 g/L
Answer» C. 1.5 g/L
9.

What is the specific gravity of CO2 at 27oC and pressure 1 atm with respect to air of with density 1 g/L

A. 1.23
B. 1.55
C. 1.78
D. 1.96
Answer» D. 1.96
10.

What is the molecular mass of an ideal gas with pressure 1 atm, and density 10 g/L at temperature 27oC?$

A. 84.5 g
B. 135.1 g
C. 186.8 g
D. 246.3 g
Answer» E.
11.

Which of the following is not the unit of R?

A. Atm.liter/K.mole
B. Pa.m<sup>3</sup>/K
C. N.Kg.m<sup>3</sup>/K.mole
D. None of the mentioned
Answer» D. None of the mentioned
12.

What is the compressibility factor for an ideal gas?

A. 1
B. 2
C. 3
D. Depends on the gas
Answer» B. 2
13.

What is the specific gravity of CO at 27oC and pressure 5 atm with respect to air (molecular wt. = 29 g) at 27oC and pressure 10 atm?

A. 0.48
B. 0.56
C. 0.64
D. 0.72
Answer» B. 0.56
14.

88 grams of CO2 at 27oC is applying 5 atm pressure, what is the volume occupied by it?

A. 5.6 liter
B. 7.9 liter
C. 9.8 liter
D. 12.2 liter
Answer» D. 12.2 liter
15.

First of the two ideal gases has twice molar volume as much as the second at same temperature, what is the ratio of their pressures?

A. 4:1
B. 1:4
C. 2:1
D. 1:2
Answer» E.
16.

What is the Temperature of a 2 liter/mole ideal gas with pressure 10 atm?

A. 243.6 K
B. 268.4 K
C. 289.1 K
D. 313.5 K
Answer» B. 268.4 K
17.

What is the pressure of a 5 liter/mole ideal gas at temperature 27oC?

A. 2.5 atm
B. 3.8 atm
C. 4.4 atm
D. 5.3 atm
Answer» E.
18.

Which of the following is not true about ideal gas molecules?

A. They have negligible size
B. They do not have attractive forces
C. They do not apply pressure
D. They move in random motion
Answer» D. They move in random motion
19.

What is the shape of a P-V curve for an ideal gas?

A. Straight line
B. Parabolic
C. Hyperbolic
D. Ellipse
Answer» D. Ellipse
20.

What is the shape of a P-T curve for ideal gas?

A. Straight line
B. Parabolic
C. Hyperbolic
D. Ellipse
Answer» B. Parabolic
21.

Which of the following term does not involve in ideal gas law?

A. Pressure
B. Volume
C. Temperature
D. Time
Answer» E.