Quiz  /  Chain Drives Bank PO MCQ Questions With Answers

  • 1. 
    If the driven sprocket rotates by 3 rotation upon giving one rotation to the driving sprocket, sprocket ratio will be

  • 1
  • 3
  • 1/3
  • Not defined

  • 2. 
    Application of oil with a brush to lubricate the chain is

  • Oil bath lubrication
  • Oil stream lubrication
  • Manual lubrication
  • None of these

  • 3. 
    Which chain is most suitable for noiseless running

  • Block Chain
  • Bush roller chain
  • Silent chain
  • None of these

  • 4. 
    A number 40-3 chain has the following characteristics:

  • a pitch of 0.5 inches and three strands
  • a pitch of 4 inches and three strands
  • a pitch of 0.5 inches and is of the heavy duty type
  • a pitch of 4 inches and is of the heavy duty type

  • 5. 
    Chain drives can be used for

  • Short drives
  • Long drives
  • Both short and long drives
  • None of the above

  • 6. 
    The tool used to break a chain is called a

  • chain breaker
  • chain puller
  • chain link
  • no tool is available

  • 7. 
    Compared to chain drives, belt drives

  • require lubrication
  • are quieter
  • can transmit higher torques levels
  • can be dismounted without dismantling other machine parts

  • 8. 
    This component is used to connect the two ends of a chain with an even number of links

  • roller
  • connecting link
  • chain extension
  • chain locker

  • 9. 
    Chain drives required frequent lubrication

  • Yes
  • No

  • 10. 
    Which of the mechanical drive has higher power transmission efficiency

  • Belt drives
  • Chain drives

  • 11. 
    Chain drives required precise alignment compared to belt drives

  • True
  • False

  • 12. 
    In a chain drive, chains are passed over

  • Circular disc
  • Pulley
  • Sprockets
  • All of above

  • 13. 
    If the driving sprocket of a chain drive has 30 teeth and the driven sprocket has 20 teeth, the driven sprocket rotates

  • 0.67 times faster than the driving sprocket
  • 1.5 times as fast as the driving sprocket
  • slower than the driving sprocket
  • at the same speed as the driving sprocket

  • 14. 
    A bicycle contains 60 tooth in the driving sprocket and 40 tooth in the driven, the sprocket ratio will be

  • 3/2
  • 2/3
  • 1
  • None of these

  • 15. 
    It is desirable that the chain wrap around the smaller sprockets be

  • exactly 60 degrees
  • less than 90 degrees
  • approximately 120 degrees
  • any amount of chain wrap is acceptable

  • 16. 
    Which type of chain has greater strength

  • Square link chain
  • Stud link chain
  • Oval link chain
  • All of above

  • 17. 
    Power is transferred between an electric motor and a pump with a chain drive. Calculate the required number of driven sprocket teeth and chain length if the motor and pump are 20 inches apart, and the driven shaft must rotate at 1800 r/min. The driving sprocket is installed directly on the motor shaft and has 30 teeth. The plate on the motor indicates a nominal speed of 1000 r/min. The chain has a pitch of 0.5 inches.

  • The driven sprocket has 17 teeth and the chain length is 51.3 inches
  • The driven sprocket has 54 teeth and the chain length is 57.7 inches
  • The driven sprocket has 17 teeth and the chain length is 57.7 inches
  • The driven sprocket has 54 teeth and the chain length is 51.3 inches

  • 18. 
    This type of chain is suited for light weight, low speed applications.

  • roller chain
  • silent chain
  • rollerless chain
  • heavy duty chain

  • 19. 
    Chain drives should receive maintenance

  • once a year
  • every 500 hours of operation
  • only when a problem occurs
  • every 1000 hours of operation

  • 20. 
    The sag on a chain is measured with

  • a photo reflective tachometer
  • a dial caliper
  • a tape rule
  • a rule
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