Sail E0 Webinar

MCQs

Total Questions : 115 | Page 1 of 12 pages
Question 1. The ratio of a mass concentration of species A to the total mass density of the mixture is known as
  1.    Mass density
  2.    Concentration
  3.    Mole fraction
  4.    Mass fraction
 Discuss Question
Answer: Option D. -> Mass fraction
Answer: (d).Mass fraction
Question 2. A binary mixture of oxygen and nitrogen with partial pressures in the ratio 0.21 and 0.79 is contained in a vessel at 300 K. If the total pressure of the mixture is 1 * 10⁵ N/m², find molar concentration of oxygen.
  1.    8.42 * 10⁻¹ kg mol/m³
  2.    8.42 * 10⁻² kg mol/m³
  3.    8.42 * 10⁻³ kg mol/m³
  4.    8.42 * 10⁻⁴ kg mol/m³
 Discuss Question
Answer: Option C. -> 8.42 * 10⁻³ kg mol/m³
Answer: (c).8.42 * 10⁻³ kg mol/m³
Question 3. For a binary mixture of species A and B, the molar average velocity is defined as
  1.    n ₐ V ₐ + n ᵦ V ᵦ
  2.    n ₐ V ₐ + nᵦ Vᵦ/n
  3.    n ₐ V ₐ + n ᵦ V ᵦ/2 n
  4.    n ₐ V ₐ + 2 n ᵦ V ᵦ/n
 Discuss Question
Answer: Option B. -> n ₐ V ₐ + nᵦ Vᵦ/n
Answer: (b).n ₐ V ₐ + nᵦ Vᵦ/n
Question 4. The ratio of number of moles of species A to the total number of moles of the mixture is known as
  1.    Mole fraction
  2.    Mass fraction
  3.    Partial pressure
  4.    Mass density
 Discuss Question
Answer: Option A. -> Mole fraction
Answer: (a).Mole fraction
Question 5. For a binary mixture of species A and B, the mass average velocity is defined as
  1.    2 pₐ Vₐ + pᵦ Vᵦ/ p
  2.    pₐ Vₐ + pᵦ Vᵦ/ p
  3.    pₐ Vₐ + 2 pᵦ Vᵦ/ p
  4.    pₐ Vₐ + pᵦ Vᵦ/ 2 p
 Discuss Question
Answer: Option B. -> pₐ Vₐ + pᵦ Vᵦ/ p
Answer: (b).pₐ Vₐ + pᵦ Vᵦ/ p
Question 6. Which number forms the connecting link between the velocity and temperature profiles?
  1.    Fourier number
  2.    Prandtl number
  3.    Stanton number
  4.    Biot number
 Discuss Question
Answer: Option B. -> Prandtl number
Answer: (b).Prandtl number
Question 7. Which number forms the connecting link between the velocity and concentration profiles?
  1.    Schmidt number
  2.    Reynolds number
  3.    Stanton number
  4.    Fourier number
 Discuss Question
Answer: Option A. -> Schmidt number
Answer: (a).Schmidt number
Question 8. Which number forms the connecting link between the temperature and concentration profiles?
  1.    Prandtl number
  2.    Schmidt number
  3.    Fourier number
  4.    Lewis number
 Discuss Question
Answer: Option D. -> Lewis number
Answer: (d).Lewis number
Question 9. What is the value of emissivity for polished aluminum?
  1.    0.01
  2.    0.02
  3.    0.03
  4.    0.04
 Discuss Question
Answer: Option C. -> 0.03
Answer: (c).0.03
Question 10. Which one is having highest emissivity?
  1.    Tarnished copper
  2.    Polished aluminum
  3.    Aluminum foil
  4.    Polished copper
 Discuss Question
Answer: Option A. -> Tarnished copper
Answer: (a).Tarnished copper

Latest Videos
Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)
Direction Sense Test Part 1 Reasoning (Hindi)
Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE
Cube & Cuboid Part 1 Reasoning (Hindi)
Data Interpretation (DI) Basic Concept Reasoning (Hindi)
Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)
Sail E0 free webinar Webinars
Real Numbers Part 7 Class 10 Maths
Real Numbers Part 1 Class 10 Maths
Polynomials Part 1 Class 10 Maths

Latest Test Papers

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI
Tabulation - Test Paper 2 Data Interpretation Reasoning & DI
Test Paper 1 Direction Sense Test Reasoning & DI
ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0
GFM Combined 1 Free Revision Test SAIL JO E-0