MCQsDrive | MCQsDrive

Chemical Engineering Mcqs 9594 MCQs [All-Courses]

Chemical Engineering MCQs designed for job test and interview preparation, particularly for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover important topics such as the fundamentals of chemical engineering, chemical processes, chemical reactions, process control, and instrumentation, along with other key concepts in the field.

Which of the following equations is obtained on combining 1st and 2nd law of thermodynamics, for a system of constant mass ?

A dE = Tds – PdV

B dQ = CvdT + PdV

C dQ = CpdT + Vdp

D Tds = dE – PdV

Review Detailed Answer

Correct Answer: dE = Tds – PdV

The internal energy of a gas obeying P (V – b) RT (where, b is a positive constant and has a constant Cv), depends upon its________________?

A Pressure

B Volume

C Temperature

D All A, B. & C

Review Detailed Answer

Correct Answer: Temperature

pH value of H2SO4 (5% concentration) is__________________?

A 5

B 7

C > 7

D < 7

Review Detailed Answer

Correct Answer: 7

Raoult’s law is not applicable to the___________________?

A Solutes which dissociate or associate in the particular solution

B Concentrated solutions

C Both B. & C.

D Solutions containing non-volatile solute

Review Detailed Answer

Correct Answer: Both B. & C.

Heat of neutralisation of a strong acid and strong base is always a constant value, i.e., 57 KJ/Kg mole. This is because_________________?

A The strong base and strong acid reacts completely

B The salt formed does not hydrolyse

C Only OH- and H+ ions react in every case

D The strong base and strong acid reacts in aqueous solution

Review Detailed Answer

Correct Answer: Only OH- and H+ ions react in every case

Heat of neutralisation of HCl and NaOH is – 57.46 kJ/Kg mole. The heat of ionisation of water will be _____________ kJ/Kg mole?

A 57.46

B -57.46

C 114.92

D -28.73

Review Detailed Answer

Correct Answer: 57.46

Which of the following is followed by an ideal solution ?

A Boyle’s law

B Amagat’s law

C Raoult’s law

D Trouton’s rule

Review Detailed Answer

Correct Answer: Raoult’s law

The combustion equations of carbon and carbon monoxide are as follows: C + O2 = CO2, ΔH = – 394 kJ/kg .mole CO + ½ O2 = CO2, ΔH = – 284.5 kJ/kg. mole. The heat of formation of CO is _____________ kJ/kg. mole?

A -109.5

B +109.5

C +180

D +100

Review Detailed Answer

Correct Answer: -109.5

Which of the following is not correct for a reversible adiabatic process ?

A TVγ-1 = constant

B p1-γ.TY = constant

C PVγ = constant

D None of these

Review Detailed Answer

Correct Answer: None of these

Equation which relates pressure, volume and temperature of a gas is called the__________________?

A Equation of state

B Gibbs Duhem equation

C Ideal gas equation

D None of these

Review Detailed Answer

Correct Answer: Equation of state

Showing 1641 to 1650 of 1825 results

Contact Info

Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Which of the following equations is obtained on combining 1st and 2nd law of thermodynamics, for a system of constant mass ?

The internal energy of a gas obeying P (V – b) RT (where, b is a positive constant and has a constant Cv), depends upon its________________?

pH value of H2SO4 (5% concentration) is__________________?

Raoult’s law is not applicable to the___________________?

Heat of neutralisation of a strong acid and strong base is always a constant value, i.e., 57 KJ/Kg mole. This is because_________________?

Heat of neutralisation of HCl and NaOH is – 57.46 kJ/Kg mole. The heat of ionisation of water will be _____________ kJ/Kg mole?

Which of the following is followed by an ideal solution ?

The combustion equations of carbon and carbon monoxide are as follows: C + O2 = CO2, ΔH = – 394 kJ/kg .mole CO + ½ O2 = CO2, ΔH = – 284.5 kJ/kg. mole. The heat of formation of CO is _____________ kJ/kg. mole?

Which of the following is not correct for a reversible adiabatic process ?

Equation which relates pressure, volume and temperature of a gas is called the__________________?