Sail E0 Webinar

MCQs

Total Questions : 1935 | Page 94 of 194 pages
Question 931.

.In order to reduce the rotor speed of an impulse turbine, the method employed is


  1.    velocity compounding
  2.    pressure compounding
  3.    pressure-velocity compounding
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these


Question 932.


The Rankine efficiency depends upon total useful heat drop and total isentropic heat drop.


  1.    Correct
  2.    Incorrect
 Discuss Question
Answer: Option B. -> Incorrect


Question 933.

The ratio of the workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam is called


  1.    blading efficiency
  2.    nozzle efficiency
  3.    stage efficiency
  4.    mechanical efficiency
 Discuss Question
Answer: Option C. -> stage efficiency


Question 934.

The diagram efficiency is the ratio of


  1.    workdone on the blades to the energy supplied to the blades
  2.    workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam
  3.    energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam
  4.    none of the above
 Discuss Question
Answer: Option A. -> workdone on the blades to the energy supplied to the blades


Question 935.
 
The density of supersaturated steam is about __________ that of the ordinary saturated vapour at the corresponding pressure.
  1.    same as
  2.    2 times
  3.    4 times
  4.    8 times
 Discuss Question
Answer: Option D. -> 8 times


Question 936.
.Which of the following statement is correct for steam turbines as compared to reciprocating steam engines?
  1.    A steam turbine develops higher speeds
  2.    The efficiency of steam turbine is higher
  3.    The steam consumption is less
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these


Question 937.
 
Reheating of steam in a turbine
  1.    increases the workdone through the turbine
  2.    increases the efficiency of the turbine
  3.    reduces wear on the blades
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these


Question 938.
 
The process of maintaining the speed of the turbine constant for various load conditions, is known as
  1.    bleeding
  2.    reheating
  3.    governing
  4.    none of these
 Discuss Question
Answer: Option C. -> governing


Question 939.
 
The ratio of the cumulative heat drop to the isentropic heat drop is called reheat factor.
  1.    Yes
  2.    No
 Discuss Question
Answer: Option A. -> Yes


Question 940.


The pressure of steam __________ while flowing through a nozzle.


  1.    increases
  2.    decreases
  3.    remains constant
 Discuss Question
Answer: Option B. -> decreases


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

DSP Combined 1 Free Revision Test SAIL JO E-0
GPOE / GPA Combined 1 Free Revision Test SAIL JO E-0
BSP Plant Specific Review Test SAIL JO E-0
BSL Combined 1 Free Revision Test SAIL JO E-0
GFM Combined 1 Free Revision Test SAIL JO E-0