Sail E0 Webinar

MCQs

Total Questions : 3218 | Page 40 of 322 pages
Question 391. The dimension of surface tension is
  1.    ML⁻²
  2.    MT⁻²
  3.    MLT⁻²
  4.    ML⁻²T
 Discuss Question
Answer: Option B. -> MT⁻²
Question 392. In a fluidised bed reactor
  1.    Temperature gradients are very high
  2.    Temperature is more or less uniform
  3.    Hot spots are formed
  4.    Segregation of the solids occurs
 Discuss Question
Answer: Option B. -> Temperature is more or less uniform
Question 393. With a constant diameter impeller of a centrifugal pump
  1.    Its capacity varies directly as the square of speed
  2.    Head varies as the square of speed
  3.    Horsepower input varies as the square of speed
  4.    Head varies as the speed
 Discuss Question
Answer: Option B. -> Head varies as the square of speed
Question 394. The friction factor for turbulent flow in a hydraulically smooth pipe
  1.    Depends only on Reynolds number
  2.    Does not depend on Reynolds number
  3.    Depends on the roughness
  4.    None of these
 Discuss Question
Answer: Option A. -> Depends only on Reynolds number
Question 395. In a free vortex, the
  1.    Velocity changes linearly with radial distance
  2.    Flow is necessarily rotational
  3.    Radial component of velocity is same everywhere
  4.    Stream lines are not circular
 Discuss Question
Answer: Option A. -> Velocity changes linearly with radial distance
Question 396. Water hammer in a pipeline results from the
  1.    Bursting of pipelines due to closure by a valve
  2.    Rapid pressure change due to a rapid change in the rate of flow
  3.    Pressure increase due to closure of a valve resulting in decrease in rate of flow
  4.    None of these
 Discuss Question
Answer: Option B. -> Rapid pressure change due to a rapid change in the rate of flow
Question 397. Air vessel provided in a reciprocating pump is for
  1.    Increasing the acceleration head
  2.    Making the friction in pipe uniform
  3.    Decreasing the acceleration head
  4.    None of these
 Discuss Question
Answer: Option B. -> Making the friction in pipe uniform
Question 398. Speed of sound in an ideal gas depends on its
  1.    Temperature
  2.    Pressure
  3.    Specific volume
  4.    None of these
 Discuss Question
Answer: Option A. -> Temperature
Question 399. In continuous fluidisation
  1.    Solids are completely entrained
  2.    The pressure drop is less than that for batch fluidisation
  3.    There is no entrainment of solids
  4.    Velocity of the fluid is very small
 Discuss Question
Answer: Option A. -> Solids are completely entrained
Question 400. Which of the following options will facilitate the achievement of a very high head (say 30 metres) in case of a centrifugal pump?
  1.    Increasing the impeller speed and the volute area
  2.    Increasing the number of vanes in the impeller
  3.    Mounting of two or more impellers in series on a single shaft
  4.    Either of A, B or C
 Discuss Question
Answer: Option C. -> Mounting of two or more impellers in series on a single shaft

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