Design MCQ

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

• The Fanning friction factor ________ on adding Fins.
  ক

  Increases

  খ

  Decreases

  গ

  Remains the same

  ঘ

  Very large change beyond measure
• The wetted perimeter ______ on adding fins hence the flow area _____
  ক

  Increases, Decreases

  খ

  Decreases, Increases

  গ

  Increases, Increases

  ঘ

  Decreases, Decreases
• The equivalent diameter on the shell side _____ on adding fins.
  ক

  Increases

  খ

  Decreases

  গ

  Remains the same

  ঘ

  Very large change beyond measure
• On which of the following parts fins are usually not attached?
  ক

  Baffles

  খ

  Outer Tube

  গ

  Shell

  ঘ

  Inner surface of tube
• Fins are not usually attached to the main body of the heat exchanger by ______
  ক

  Welding

  খ

  Glue

  গ

  Brazing

  ঘ

  Groove fitting
• Fins can be added only to one side of a heat exchanger.
  ক

  True

  খ

  False
• Compound flow Fins extended surface heat exchangers are classification based on______
  ক

  Construction

  খ

  Flow pattern

  গ

  Phase pattern

  ঘ

  Heat transfer mechanism
• Plate type Extended Fins HE is a classification based on the _____ of the heat exchanger.
  ক

  Construction

  খ

  Flow pattern

  গ

  Phase pattern

  ঘ

  Heat transfer mechanism
• In case of Classification based on construction, extended surface heat exchangers can be classified into _________
  ক

  Plate Fin and Tube Fin

  খ

  Cross Parallel and Plate Fin

  গ

  Tube Fin and Cross Parallel

  ঘ

  Compound flow and Tube Fin
• Compound flow Extended surface heat exchangers are superior to Counter flow operation.
  ক

  True

  খ

  False
• Extended Surface heat exchangers are a subset of the broader category of _____ flow type Heat Exchangers.
  ক

  Multi Pass

  খ

  Single Pass

  গ

  Compound

  ঘ

  Split
• What are the three parts of Extended Surface heat exchangers when it is classified based on flow pattern?
  ক

  Compound flow, Plate Fin and Cross Counter Flow

  খ

  Compound flow, Tube Fin and Cross Counter Flow

  গ

  Compound flow, Tube Fin and Plate Fin

  ঘ

  Compound flow, Cross Parallel and Cross Counter Flow
• At a given elevation, the thickness of the arch ring is proportional to the radius of the arch.
  ক

  True

  খ

  False
• The best design of an arch dam is when __________________
  ক

  all horizontal water loads are transferred horizontally to the abutments

  খ

  the dam is safe against sliding at various levels

  গ

  the load is divided between the arches and cantilevers and the deflections at the conjugal points being equal

  ঘ

  the deflections of the cantilevers are equal at different points
• According to thin cylinder theory, the volume of concrete required for an arch dam would be minimum if the central angle is ____________
  ক

  130° 34’

  খ

  133° 34’

  গ

  143° 34’

  ঘ

  153° 34’
• Which of the following is not the basis for the design of an arch dam?
  ক

  Thin cylinder theory

  খ

  Trial load theory

  গ

  Unit column theory

  ঘ

  Elastic theory
• The stresses due to rib-shortening become quite important in the case of _____________
  ক

  long thin arch dams

  খ

  thick arch dams of small angle

  গ

  both thin and thick arch dams

  ঘ

  all types of arch dams
• The temperature stresses producing worst effects in the design of arch dams are caused by ______________
  ক

  rise in temperature

  খ

  fall in temperature

  গ

  both rise and fall

  ঘ

  no effect in the design
• The thin cylinder theory for designing arch dams is based only on ___________________
  ক

  temperature stresses

  খ

  ice pressures

  গ

  yield stresses

  ঘ

  hydrostatic water pressure
• Which among the following is not an assumption of the ‘Trial Load Analysis’ method of design of arch dams?
  ক

  Plane sections normal to the axis remain plane after flexure

  খ

  Any horizontal arch ring is independent of the arch rings below and above

  গ

  Modulus of elasticity of concrete and rock foundation is equal for compression and tension

  ঘ

  Stresses are proportional to strains
• Which of the following theory is the most accurate method to design arch?
  ক

  The thin cylinder theory

  খ

  The theory of elastic arches

  গ

  The trial load method

  ঘ

  Creep theory
• Which of the following forces is the least important in the design of arch dams?
  ক

  Reservoir water force

  খ

  Uplift pressure

  গ

  Temperature stresses

  ঘ

  Ice load
• The breaking valves are actuated and turned on and off through ___________
  ক

  pumps

  খ

  valves

  গ

  sensors

  ঘ

  modulator
• What is the function of Pump in an automatic brake system?
  ক

  For fault detection

  খ

  To sense the speed of the vehicle

  গ

  To restore pressure

  ঘ

  To find the acceleration and deceleration
• Which device is used to pass the pressure from hydraulic cylinder towards brake?
  ক

  Valves

  খ

  Pumps

  গ

  Sensors

  ঘ

  ECU
• Which part of the antilock brake system is used to find the acceleration and deceleration of the wheel?
  ক

  Valves

  খ

  ECU

  গ

  Speed sensors

  ঘ

  Pumps
• The Electronic control unit is used to detect the speed of wheels.
  ক

  True

  খ

  False
• What detects the fault in the anti-lock brake system?
  ক

  ECU

  খ

  Pump

  গ

  Valves

  ঘ

  Sensors
• What is the function of the Electronic control unit in Anti-lock braking system?
  ক

  Monitoring the speed of the wheel

  খ

  Decreases the stopping distance

  গ

  Provides electronic stability control

  ঘ

  Maintaining the tractive force
• The Anti-lock brake system supports electronic stability.
  ক

  True

  খ

  False