Sail E0 Webinar

MCQs

Total Questions : 1709 | Page 2 of 171 pages
Question 11. Hydrometer is used to determine
  1.    specific gravity of liquids
  2.    specific gravity of solids
  3.    specific gravity of gases
  4.    relative humidity
 Discuss Question
Answer: Option A. -> specific gravity of liquids
Question 12. The units of dynamic or absolute viscosity are
  1.    metres² per sec
  2.    kg sec/meter
  3.    newton-sec per meter
  4.    newton-sec² per meter
 Discuss Question
Answer: Option C. -> newton-sec per meter
Question 13. A pressure of 25 m of head of water is equal to
  1.    25 kN/m2
  2.    245 kN/m2
  3.    2500 kN/m2
  4.    2.5 kN/m2
 Discuss Question
Answer: Option B. -> 245 kN/m2
Question 14. Newton’s law of viscosity relates
  1.    intensity of pressure and rate of angular deformation
  2.    shear stress and rate of angular deformation
  3.    shear stress, viscosity and temperature
  4.    viscosity and rate of angular deformation
 Discuss Question
Answer: Option B. -> shear stress and rate of angular deformation
Question 15. The pressure at a point in a fluid will not be same in all the directions when the fluid is
  1.    moving
  2.    viscous
  3.    inviscous and moving
  4.    viscous and moving.
 Discuss Question
Answer: Option D. -> viscous and moving.
Question 16. Choose the wrong statement
  1.    any weight, floating or immersed in a liquid, is acted upon by a buoyant force
  2.    Buoyant force is equal to the weight of the liquid displaced
  3.    The point through which buoyant force acts, is called the center of buoyancy
  4.    Center of buoyancy is located above the center of gravity of the displaced liquid v
 Discuss Question
Answer: Option D. -> Center of buoyancy is located above the center of gravity of the displaced liquid v
Question 17. When an ideal fluid flows past a sphere
  1.    highest intensity of pressure occurs around the circumference at right angles to flow
  2.    lowest pressure intensity occurs at front stagnation point
  3.    lowest pressure intensity occurs at rear stagnation point
  4.    total drag is zero
 Discuss Question
Answer: Option D. -> total drag is zero
Question 18. The value of friction factor ‘f’ for smooth pipes for Reynolds number 106 is approximately equal to
  1.    0.1
  2.    0.01
  3.    0.001
  4.    0.0001
 Discuss Question
Answer: Option B. -> 0.01
Question 19. Coefficient of velocity of venturimeter
  1.    is independent of Reynolds number
  2.    decreases with higher Reynolds number
  3.    is equal to the coefficient of discharge of venturimeter
  4.    none of the above
 Discuss Question
Answer: Option C. -> is equal to the coefficient of discharge of venturimeter
Question 20. A model of a reservior is drained in 4 mts by opening the sluice gate. The model scale is 1: 225. How long should it take to empty the prototype ?
  1.    4 minutes
  2.    4 x (225)3/2 minutes
  3.    4 (225)1/3 minutes
  4.    4 x V225 minutes
 Discuss Question
Answer: Option D. -> 4 x V225 minutes

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