Q.1
Compared to chain drives, belt drives
  • require lubrication
  • are quieter
  • can transmit higher torques levels
  • can be dismounted without dismantling other machine parts
Q.2
The sag on a chain is measured with
  • a photo reflective tachometer
  • a dial caliper
  • a tape rule
  • a rule
Q.3
Chain drives should receive maintenance
  • once a year
  • every 500 hours of operation
  • only when a problem occurs
  • every 1000 hours of operation
Q.4
Which of the mechanical drive has higher power transmission efficiency
  • Belt drives
  • Chain drives
Q.5
A chain should be replaced when its length becomes _______ longer than the original
  • 20 mm
  • 40 mm
  • 3%
  • 10%
Q.6
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
Q.7
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
Q.8
Which of the devices below is used for measuring the speed of rotation of a shaft?
  • Dial indicator
  • Shims
  • Spirit level
  • Tachometer
Q.9
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
Q.10
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
Q.11
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
Q.12
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
Q.13
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
Q.14
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
Q.15
What is the component used to protect the bedplate from damage when mounting a motor?
  • Flat washer
  • Lock washer
  • Bolt head
  • Shim
Q.16
What kind of energy transformation happens inside an electric motor?
  • Electrical to mechanical
  • Mechanical to electrical
  • Electrical to chemical
  • Mechanical to chemical
Q.17
If the driving sprocket of a chain drive hasteeth and the driven sprocket hasteeth, 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
Q.18
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
Q.19
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
Q.20
The tool used to break a chain is called a
  • chain breaker
  • chain puller
  • chain link
  • no tool is available
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