Quiz  /  Chain Drives Class 12 MCQ Questions With Answers

  • 1. 
    The tool used to break a chain is called a

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

  • 2. 
    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

  • 3. 
    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

  • 4. 
    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

  • 5. 
    Which of the following is NOT a standard way for mounting a driving motor to a bedplate?

  • Foot mount
  • Back plate mount
  • C-face mount
  • Adjustable mount

  • 6. 
    Which type of key is used for repair and rescue of key seats that have become larger due to wear?

  • Square
  • Rectangular
  • Gib-head key
  • Offset key

  • 7. 
    Which of the following is NOT a type of shaft-to-adjacent-shaft power transmission?

  • Belt drive
  • Chain drive
  • Clutch
  • Gears

  • 8. 
    What is the quantity being measured in the setup shown in the figure below?

  • Angular misalignment
  • End float
  • Run-out
  • Soft foot

  • 9. 
    What kind of energy transformation happens inside an electric motor?

  • Electrical to mechanical
  • Mechanical to electrical
  • Electrical to chemical
  • Mechanical to chemical

  • 10. 
    The following figure represents a ___________________

  • Roller chain
  • Rollerless chain
  • Silent chain
  • Leaf chain

  • 11. 
    Which gear represents the DRIVE gear?

  • Small Gear
  • Large Gear

  • 12. 
    Calculate the driven shaft speed & torque of the chain drive system shown Driven Shaft Speed: ______________________________________ (RPM)

  • 300 RPM
  • 600 RPM
  • 1200 RPM
  • 1800 RPM

  • 13. 
    It is a way of transmitting mechanical power from one place to another which is common in motorcycles and bicycles.

  • Gear
  • Cam Follower
  • Belt
  • Chain Drive

  • 14. 
    Which of the following is NOT a material commonly used for making keys?

  • Cold rolled steel
  • Zinc-plated cold rolled steel
  • Copper
  • High carbon steel

  • 15. 
    What is the type of key tolerance if you were able to push the key into its key seat with your thumb?

  • Free
  • Normal
  • Close
  • Interference

  • 16. 
    What is the chain ratio if the drive chain has 12 teeth and the driven chain has 60?

  • 1:5
  • 7:1
  • 1:7
  • 5:1

  • 17. 
    The drive system shown in the figure is

  • belt drive
  • chain drive
  • sprocket drive
  • Gear Drive

  • 18. 
    The three basic components of a chain drive are?

  • Chain, roller, and pin
  • Chain, driver sprocket, and driven sprocket
  • Chain, master link, and roller
  • Pins, rollers, and bushings

  • 19. 
    Which of the following materials is most commonly used for making shafts suitable for the food processing industry equipment?

  • Cold steel
  • Chrome plated steel
  • Hardened steel
  • Stainless steel

  • 20. 
    The sprocket ratio of the chain drive shown below is

  • 0.5
  • 1
  • 1.5
  • 2

  • 21. 
    Which of the tools below is used to measure the level of a surface and parallelism of a surface with the ground?

  • Bed plate
  • Dial indicator
  • Shims
  • Spirit level

  • 22. 
    What is the component used to protect the bedplate from damage when mounting a motor?

  • Flat washer
  • Lock washer
  • Bolt head
  • Shim

  • 23. 
    What is the purpose of the lockout / tag out system?

  • To allow others to operate the system at any time
  • To avoid powering up the equipment while working on it
  • To make it easy to recognize who is in charge of the machine
  • To give the operator enough time to read the operating instructions

  • 24. 
    Chain drive gears turn in the __________ direction.

  • Opposite
  • Same
  • Oscilating
  • Linear
Report Question
warning
access_time
  Time