• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Presence of moisture in fuel oil would

Aid in proper combustion
Clean the nozzles
Because sputtering, possibly extinguishing flame
Keep the burner tips cool

ANSWER DOWNLOAD EXAMIANS APP

Steam Boilers, Engines, Nozzles and Turbines
In a reaction turbine, when steam flows through the fixed blades,

Pressure and velocity both decreases
Pressure and velocity both increases
Pressure decreases while velocity increases
Pressure increases while velocity decreases

ANSWER DOWNLOAD EXAMIANS APP

Steam Boilers, Engines, Nozzles and Turbines
The diameter of fire tube of Cornish boiler compared to its shell is

One fourth
One fifth
One half
One third

ANSWER DOWNLOAD EXAMIANS APP

Steam Boilers, Engines, Nozzles and Turbines
The critical pressure ratio is given by (where p₁ = Initial pressure of steam, and p₂ = Pressure of steam at throat or critical pressure)

p₁/p₂
p₁ + p₂
p₂/p₁
p₁. p₂

ANSWER DOWNLOAD EXAMIANS APP

Steam Boilers, Engines, Nozzles and Turbines
The ratio of the work-done on the blades per kg of steam to the total energy supplied per stage per kg of steam is called

Mechanical efficiency
Stage efficiency
Blading efficiency
Nozzle efficiency

ANSWER DOWNLOAD EXAMIANS APP

Steam Boilers, Engines, Nozzles and Turbines
Expanding steam to a very low pressure (high vacuum) in steam engines is

Economical
Uneconomical
Essential
Desirable

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

DOWNLOAD APP

  • APPLE
    from app store
  • ANDROID
    from play store

SEARCH

LOGIN HERE


  • GOOGLE

FIND US

  • 1.70K
    FOLLOW US
  • EXAMIANSSTUDY FOR YOUR DREAMS.
  • SUPPORT :SUPPORT EMAIL ACCOUNT : examians@yahoo.com

OTHER WEBSITES

  • GUJARATI MCQ
  • ACCOUNTIANS

QUICK LINKS

  • HOME
  • QUIZ
  • PRIVACY POLICY
  • DISCLAIMER
  • TERMS & CONDITIONS
  • CONTACT US
↑