Sardar Vallabhbhai National Institute of Technology 2011 B.E Thermodynamics Lab QUIZ -B division - Question Paper
B
Sardar Vallabhbhai National Institute of Technology, Surat
Subject: Thermodvnamics-I (Practical Quiz) Max. Marks: 20
Roll No: Batch: Date: 21/04/2011
Instructions:
Attempt only 20 Questions (Time Limit: 1 Hour)
Any mischief behavior will lead to negative marking, strictly.
1. _viscosity index signifies relatively small changes of viscosity with temperature.
(High, Low)
2. Relation between kinematic and dynamic viscosity:
3. Unit of viscosity measured by Redwood viscometer:
4. _is the lowest temperature at which there will be enough
flammable vapour to ignite when an ignition source is applied.
5. Flash point of given sample for closed cup tester is_than that of open
cup tester (higher, lower, equal)
6. What was the measured flash point and fire point of given sample of Oil during open cup laboratory testing? Ans: Flash Point_C& Fire Point_C
7. _is a unit equal to one gram per centimeter per second and
_is one square centimeter per second.
8. Measured flash point of given sample of diesel during open cup test was _C and during closed cup_C
9. During test condition_,it is required to correct the measured
flash point and fire point of a given sample. (at atmospheric, less than atmospheric, higher than atmospheric)
10. Flash point measured by_conditions gives true value(closed, open)
11. Grease Penetrometer is used to determine _as a measure of the
consistency of grease.
12. Higher C.V = Lower C.V +_
13. Calorific value of liquid/solids and gas is measure by apparatus called _and_respectively.
Sardar Vallabhbhai National Institute of Technology, Surat
Subject: Thermodynamics-I (Practical Quiz) Max. Marks: 20
Roll No: Batch: Date: 21/04/2011
14. Formula for determining kinematic viscosity by Redwood viscometer_
15. Viscosity of liquid_and for gas_as temperature
decreases (decreases, increases, remain unaffected)
16. Viscosity measured by Redwood viscometer is _viscosity (kinematic,
dynamic)
17. Viscosity of fluid up to 2000 Redwood seconds can be measured by Redwood viscometer no._
18. Material of cup used in open cup/closed cup test is_
19. Thermocouple works on principle of_
20. Thermocouple measures temperature in terms of_
21. Name of open cup tester and closed cup tester for measuring flash point and fire point are _and_respectively.
22. _is a number indicating the effect of change of temperature
on the viscosity of oil.
23. Redwood viscometer no.2 measures viscosity in Redwood seconds range beyond_
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Attachment: |
| Earning: Approval pending. |
