Viscosity Interview Questions - 1 | Snaprecruit.com

Viscosity Interview Questions - 1 | Snaprecruit.com

Viscosity interview questions part 1

Viscosity interview questions part 1

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Total Questions: 20

1. According to Newton’s law of viscosity, the maximum velocity of flow is at

Correct Answer is : Middle of the tube

2. The factor on which viscosity depends is

Correct Answer is : All of the mentioned

3. The viscosity of a fluid is inversely proportional to the

Correct Answer is : Distance between two adjacent layers

4. The Newton’s law of viscosity is not applicable to

Correct Answer is : Turbulent flow

5. The absolute kinematic viscosity is the ratio of

Correct Answer is : Absolute viscosity to density

6. Viscosity means the flow of the liquid is resisted by ________

Correct Answer is : Itself

7. The viscosity of an oil decrease when temperature ________

Correct Answer is : Increases

8. The rate of change of the viscosity with raise in temperature is measured by an arbitrary scale called as _________

Correct Answer is : Viscosity index

9. Mathematically, viscosity index can be given by __________

Correct Answer is : { (L -U)/(L-H)}*100

10. The viscosity of the oil changes rapidly with the change in temperature has_______

Correct Answer is : Zero V.I

11. Addition of linear polymers to the increases the V.I and oils with V.I higher than_______are prepared.

Correct Answer is : 100

12. If the viscosity must not be ________ to a liquid oil film between two moving liquid.

Correct Answer is : Low

13. Excessive friction takes place, when the viscosity is ________

Correct Answer is : Too high

14. The viscosity of the lubricating oil must be sufficient to keep it in position.

Correct Answer is : TRUE

15. ________is used in machines operating at high pressure and slow speeds.

Correct Answer is : Heavy oil

16. For machines operating at the high speed and low pressure _______ are used.

Correct Answer is : Light oils

17. Redwood viscometer no1 is used to find the viscosity of the _________ liquids.

Correct Answer is : Low viscous

18. What is the efflux of the redwood viscometer no2?

Correct Answer is : 200

19. Test thermometer is one of the parts of the redwood viscometer.

Correct Answer is : TRUE

20. The oil cup is made up of _________

Correct Answer is : Brass

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