Chain Drives Bank PO MCQ Questions With Answers Quiz Questions

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

A 1 B 3 C 1/3 D Not defined

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

A Oil bath lubrication B Oil stream lubrication C Manual lubrication D None of these

3. Which chain is most suitable for noiseless running

A Block Chain B Bush roller chain C Silent chain D None of these

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

A a pitch of 0.5 inches and three strands B a pitch of 4 inches and three strands C a pitch of 0.5 inches and is of the heavy duty type D a pitch of 4 inches and is of the heavy duty type

5. Chain drives can be used for

A Short drives B Long drives C Both short and long drives D None of the above

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

A chain breaker B chain puller C chain link D no tool is available

7. Compared to chain drives, belt drives

A require lubrication B are quieter C can transmit higher torques levels D 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

A roller B connecting link C chain extension D chain locker

9. Chain drives required frequent lubrication

A Yes B No

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

A Belt drives B Chain drives

11. Chain drives required precise alignment compared to belt drives

A True B False

12. In a chain drive, chains are passed over

A Circular disc B Pulley C Sprockets D 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

A 0.67 times faster than the driving sprocket B 1.5 times as fast as the driving sprocket C slower than the driving sprocket D 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

A 3/2 B 2/3 C 1 D None of these

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

A exactly 60 degrees B less than 90 degrees C approximately 120 degrees D any amount of chain wrap is acceptable

16. Which type of chain has greater strength

A Square link chain B Stud link chain C Oval link chain D 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.

A The driven sprocket has 17 teeth and the chain length is 51.3 inches B The driven sprocket has 54 teeth and the chain length is 57.7 inches C The driven sprocket has 17 teeth and the chain length is 57.7 inches D 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.

A roller chain B silent chain C rollerless chain D heavy duty chain

19. Chain drives should receive maintenance

A once a year B every 500 hours of operation C only when a problem occurs D every 1000 hours of operation

20. The sag on a chain is measured with

A a photo reflective tachometer B a dial caliper C a tape rule D a rule