Energy Engineering MCQ

Test your knowledge with important Energy Engineering MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Energy Engineering MCQs at Bissoy

• Which gasifier equipment has inability to operate on a number of unprocessed fuels?
  ক

  Counter current gasifier

  খ

  Cross draught gasifier

  গ

  Co-current gasifier

  ঘ

  Fluidized bed gasifier
• Which gasifier has a minimum tar converting capability?
  ক

  Counter current gasifier

  খ

  Cross draught gasifier

  গ

  Co-current gasifier

  ঘ

  Fluidized bed gasifier
• Which gasifier has better tar converting capacity?
  ক

  Counter current gasifier

  খ

  Cross draught gasifier

  গ

  Co-current gasifier

  ঘ

  Fluidized bed gasifier
• Which is the gasifier that can be operated in small scale/amounts?
  ক

  Counter current gasifier

  খ

  Cross draught gasifier

  গ

  Co-current gasifier

  ঘ

  Fluidized bed gasifier
• Which is the oldest and simplest type of gasifier?
  ক

  Counter current gasifier

  খ

  Cross draught gasifier

  গ

  Co-current gasifier

  ঘ

  Fluidized bed gasifier
• How many types of gasifiers are there?
  ক

  2

  খ

  3

  গ

  4

  ঘ

  5
• A device for converting substances (chemically or physically) into gas is called ______
  ক

  Gasifies

  খ

  Biogas plants

  গ

  Draughts

  ঘ

  Gas chambers
• What is the full form of VRA?
  ক

  Vibration resistant appliance

  খ

  Vehicle Refueling Appliances

  গ

  Volatile removal assembly

  ঘ

  Validated requirement authority
• What does CNG stands?
  ক

  Converted natural gas

  খ

  Compressed natural gas

  গ

  Compressed Non-soluble gas

  ঘ

  Compressed natural gasoline
• Which of the SI engine can be run on biogas?
  ক

  Diesel engine

  খ

  Petrol engine

  গ

  IC engine

  ঘ

  External combustion engine
• Which engine can run on dual fuel with little engine modification?
  ক

  Diesel engine

  খ

  Petrol engine

  গ

  IC engine

  ঘ

  External combustion engine
• What is the percentage at which rated power from biogas in petrol engine can be developed?
  ক

  45%

  খ

  65%

  গ

  75%

  ঘ

  85%
• The anaerobic digestion can be inhibited.
  ক

  True

  খ

  False
• Which is the initial issue of the biogas plant?
  ক

  Feedstock

  খ

  Contaminants

  গ

  Moisture contents

  ঘ

  Nutrients
• Agitation is performed ___________
  ক

  Mechanically

  খ

  Manually

  গ

  By help of cattle

  ঘ

  Feedstock
• Which of the following salt group is stimulatory or toxic in action?
  ক

  Sodium, potassium, calcium and magnesium

  খ

  Copper, zinc, sodium and magnesium

  গ

  Copper, calcium, magnesium and potassium

  ঘ

  Sodium, magnesium, zinc, and potassium
• How is potential toxicity, due to ammonia is corrected?
  ক

  By dilution

  খ

  By adding urea

  গ

  By adjusting the temperature

  ঘ

  By adding extra carbon rich content
• What does excess availability of nitrogen lead?
  ক

  NO3

  খ

  NO2

  গ

  NH3

  ঘ

  NH4
• Which of the following two are most important nutrients?
  ক

  Carbon and nitrogen

  খ

  Methane and carbon

  গ

  Methane and oxygen

  ঘ

  Methane and nitrogen
• With a mesophilic flora digestion precedes best at what temperature?
  ক

  30 – 40oC

  খ

  65 – 75oC

  গ

  10 – 30oC

  ঘ

  10 -15oC
• What is anaerobic digestion PH range?
  ক

  6.0 – 8.0

  খ

  1.3 – 4.2

  গ

  2.5 – 6.5

  ঘ

  7.2 – 10.0
• ______________ is a major factor in determining the methane yield and methane production rates from the digestion of biomass.
  ক

  Seeding

  খ

  Contamination

  গ

  Substrate composition

  ঘ

  Moisture content
• What is the full form of TVS?
  ক

  Tempered volatile solid

  খ

  Total variant solid

  গ

  Total volatile solid

  ঘ

  Termed variant solid
• Higher loading rates have been used when the ambient temperature is ____________
  ক

  High

  খ

  Low

  গ

  At 0o

  ঘ

  At medium temperature
• What should be the ratio of raw material to water?
  ক

  1:1

  খ

  4:1

  গ

  5:2

  ঘ

  3:6
• For minimum of how many days within starting of fermentation, initiates anaerobic bacterial action?
  ক

  2

  খ

  10

  গ

  14

  ঘ

  20
• The outer chamber upper is called as ___________
  ক

  outlet displacement chamber

  খ

  outlet discharge chamber

  গ

  outlet density chamber

  ঘ

  outlet dwell chamber
• The upper portion of the ______________ is in the shape of bell mouth and constructed using bricks and cements mortar in fixed dome plant.
  ক

  gas storage chamber

  খ

  inlet chamber

  গ

  outlet chamber

  ঘ

  digester
• Which plant has fixed hemi-spherical roof?
  ক

  Fixed dome plant

  খ

  Floating drum plant

  গ

  Chinese plant

  ঘ

  Flexible bag biogas plant
• The Gas storage chamber of the digester of janata model is designed to store what percentage og daily gas?
  ক

  5%

  খ

  19%

  গ

  33%

  ঘ

  58%