Sail E0 Webinar

MCQs

Total Questions : 2096 | Page 3 of 210 pages
Question 21. In a P-V diagram (for an ideal gas), an isothermal curve will coincide withan adiabatic curve (through a point), when
  1.    Cp < Cv
  2.    Cp = Cv
  3.    Cp > Cv
  4.    Cp ≥ Cv
 Discuss Question
Answer: Option B. -> Cp = Cv
Question 22. The shape of T-S diagram for Carnot Cycle is a
  1.    Rectangle
  2.    Rhombus
  3.    Trapezoid
  4.    Circle
 Discuss Question
Answer: Option A. -> Rectangle
Question 23. With increase in compression ratio, the efficiency of the otto engine
  1.    Increases
  2.    Decreases
  3.    Remains constant
  4.    Increases linearly
 Discuss Question
Answer: Option A. -> Increases
Question 24. What is the degree of freedom for a system comprising liquid water equilibrium with its vapour?
  1.    0
  2.    1
  3.    2
  4.    3
 Discuss Question
Answer: Option B. -> 1
Question 25. __________ functions are exemplified by heat and work.
  1.    Path
  2.    Point
  3.    State
  4.    None of these
 Discuss Question
Answer: Option A. -> Path
Question 26. A two stage compressor is used to compress an ideal gas. The gas is cooled to the initial temperature after each stage. The intermediate pressure for the minimum total work requirement should be equal to the __________ mean of P₁ and P₂.(where, P₁ and P₂ are initial and final pressures respectively)
  1.    Logarithmic
  2.    Arithmetic
  3.    Geometric
  4.    Harmonic
 Discuss Question
Answer: Option C. -> Geometric
Question 27. Helmholtz free energy (A) is defined as
  1.    A = H - TS
  2.    A = E - TS
  3.    A = H + TS
  4.    None of these
 Discuss Question
Answer: Option B. -> A = E - TS
Question 28. Gibbs free energy (F) is defined as
  1.    F = E - TS
  2.    F = H - TS
  3.    F = H + TS
  4.    F = E + TS
 Discuss Question
Answer: Option B. -> F = H - TS
Question 29. In the reaction, C + O₂ → CO₂ ; ΔH = - 94 kcal. What is the heat content (enthalpy)of O₂?
  1.    -94 kcal
  2.    > -94 kcal
  3.    < - 94 kcal
  4.    Zero
 Discuss Question
Answer: Option D. -> Zero
Question 30. A system is said to be at equilibrium, if the entropy of the system has reached __________ value.
  1.    Minimum
  2.    Zero
  3.    Maximum
  4.    None of these
 Discuss Question
Answer: Option C. -> Maximum

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