The efficiency of an impulse turbine is maximum when (where Vb = Blade speed, V

Question

The efficiency of an impulse turbine is maximum when (where Vb = Blade speed, V = Absolute velocity of steam entering the blade, and α = Nozzle angle)

Options:

A . Vb = 0.5 V cosα

B . Vb = V cosα

C . Vb = 0.5 V² cosα

D . Vb = V² cosα

Answer: Option A

Submit Your Solution Below and Earn Points !

Next Question

Submit Solution

More Questions on This Topic :

Question 1. The maximum efficiency of a De-Laval turbine is (where α = Nozzle angle)....

Question 2. The boiler efficiency is given by (where m =....

Question 3. Which of the following is correct ? (where pa = Actual mean ef....

Question 4. The draught (in mm of water), for maximum discharge of flue ga....

Question 5. Willian's law states that the steam ....

Question 6. When the total heat of steam is h kJ/kg and the sensible heat ....

Question 7. The efficiency of an impulse turbine is maximum when (where Vb....

Question 8. For a Parson's reaction turbine, if `alpha_1` ....

Question 9. In a Parson's turbine stage, blade velocity is 320 m/s at th....

Question 10. The maximum efficiency of a De-Laval turbine is (where `alpha`....

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

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

Submit Solution

More Questions on This Topic :

Latest Videos

Latest Test Papers