Thermal Engineering MCQ

Below Thermal Engineering quiz are Multiple Choice Questions (MCQs) type Quiz. These Thermal Engineering MCQ Questions helps you to refresh your Thermal Engineering, you can see the correct option by clicking on it. .
  • 1. The velocity of steam leaving the nozzle (V) is given by (where K = Nozzle coefficient or nozzle efficiency, and hd = Enthalpy or heat drop during expansion of steam in a nozzle)

    • V = 44.72 hdkh_d\sqrt{k}hd​k​
    • V = 44.72 khdk\sqrt{h_d}khd​​
    • V = 44.72 khd\sqrt{kh_d}khd​​
    • V = 44.72 khdkh_dkhd​
  • 2. Objects with MORE MASS have______________

    • lower potential energy
    • lower number of atoms
    • higher thermal energy
    • higher temperature
  • 3. Bottoming cycle cogeneration is characterized by

    • Heat first power later
    • Only Heat
    • Power First and Heat Later
    • Only Power
  • 4. Which of the following statements is not correct

    • A topping cycle plant generates electricity or mechanical power first
    • A bottoming cycle plant generates heat first
    • Both a and b
    • A bottoming cycle plant generates electricity or mechanical power first
  • 5. A waste heat recovery steam generator is used with

    • steam turbines
    • back pressure turbines
    • gas turbines
    • condensing turbines
  • 6. What is a typical efficiency of a cogeneration system?

    • 58%
    • 85%
    • 68%
    • 95%
  • 7. The heat recovery device in which high conductivity bricks are used for storing heat is

    • heat pipe
    • heat pump
    • thermo compressor
    • regenerator
  • 8. Odometer is an instrument used for measurement of

    • power
    • Fuel consumption
    • Engine speed
    • distance
  • 9. What is the pH value of water permissible for boiler?

    • 0
    • 5.5
    • 6
    • 8.5
  • 10. What is the function of air preheater?

    • To increase air temperature by flue gases
    • To increase water temperature by air
    • To increase steam temperature by air
    • To increase air temperature by steam
  • 11. What is full form of SI

    • Simple Ignition
    • Standard idling
    • Spark ignition
    • Solo identification