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