Description : Boiling range of motor gasoline is an indication of the (A) Case of starting (B) Rate of acceleration (C) Vapour locking tendency (D) All (A), (B) and (C)
Last Answer : (B) Rate of acceleration
Description : Higher viscosity of lubricating oil usually signifies (A) Lower Reid vapour pressure (B) Higher acid number (C) Higher flash point and fire point (D) Lower flash point and fire point
Last Answer : (C) Higher flash point and fire point
Description : __________ determination is not a very significant and important test for gasoline. (A) Gum & sulphur content (B) Viscosity (C) Octane number (D) Reid vapor pressure
Last Answer : (B) Viscosity
Description : True vapour pressure of a petroleum fraction __________ Reid vapour pressure. (A) Is less than (B) Is more than (C) Is same as (D) May be either more or less than
Last Answer : (D) May be either more or less than
Description : Phenols are added in gasoline to (A) Improve the octane number (B) Act as an antioxidant (C) Reduce its viscosity (D) Increase its pour point
Last Answer : (B) Act as an antioxidant
Description : Tetra-ethyl lead is added in gasoline to (A) Increase its smoke point (B) Reduce gum formation (C) Reduce the pour point (D) Increase its octane numbe
Last Answer : (D) Increase its octane numbe
Description : Higher vapour pressure of gasoline indicates (A) Low flash point (B) High breathing loss (C) Both (A) and (B) (D) Neither (A) nor (B
Last Answer : (D) Neither (A) nor (B
Description : Vapour lock is a. complete or partial stoppage of fuel supply due to vaporization of the fuel b. locking of carburetor due to high vapor pressure c. excess fuel supply to the engine d. supply of liquid fuel to the engine
Last Answer : ANSWER a. complete or partial stoppage of fuel supply due to vaporization of the fuel
Description : Higher boiling fractions like atmospheric residue is distilled under vacuum at low temperature because at high temperature, there is a tendency of the predominance of (A) Thermal cracking (B) Gum formation (C) Coking (D) Discoloration
Last Answer : (C) Coking
Description : The vent valve provided in a liquid handling centrifugal pump is (A) Generally a needle valve (B) Used to release any gases that might be vapour locking the pump (C) Helpful in easy removal of samples (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : Which of the following performance characteristics of a S.I engine is not affected by the front end volatility of the petrol used? (A) Vapour locking (B) Hot starting (C) Spark plug fouling (D) All 'a', 'b' & 'c'
Last Answer : (C) Spark plug fouling
Description : Which of the following fractions of petroleum contains maximum sulphur? (A) Diesel (B) Gasoline (C) Naphtha (D) Atmospheric residue
Last Answer : (D) Atmospheric residue
Description : Which of the following is the most important property for a jet fuel? (A) Cloud point (B) Pour point (C) Colour (D) Freezing point
Last Answer : (D) Freezing point
Description : Stabilisation of gasoline (petrol) means (A) Removal of dissolved gases from it (B) Increasing its oxidation stability (C) Improving its lead susceptibility (D) Increasing its vapour pressure
Last Answer : (A) Removal of dissolved gases from it
Description : The colour of gasoline is an indication of its (A) Octane number (B) Lead susceptibility (C) Gum forming tendency & thoroughness of refining (D) None of these
Last Answer : (C) Gum forming tendency & thoroughness of refining
Description : he temperature at which solid content of fuel freeze out is called.... (a) Fire point (b) Flash point (c) Pour point (d) Cloud point
Last Answer : (a) Fire point
Description : The temperature at which fuel flows to case is called.... (a) Fire point (b) Flash point (c) Pour point (d) Cloud point
Last Answer : c) Pour point
Description : The temperature at which flame persists for approximately five seconds is called..... (a) Fire point (b) Flash point (c) Pour point (d) cloud point
Description : Define following: i) Oiliness ii) Volatility iii) Cloud point iv)Pour point
Last Answer : i) Oiliness: -It is defined as the power of an oil to maintain a continuous film under pressure while used a lubricant. ii) Volatility: - Volatility of oil is its tendency to vaporize with the ... iv) Pour point: It is defined as the temperature at which oil ceases to flow or pour on cooling
Description : Absolute vapor pressure of petrofuels is found by Reid bomb which is heated in water bath to 100°F. In Reid apparatus, the ratio of the volume of air chamber to that of the liquid fuel chamber is (A) 4 (B) 3 (C) 2 (D) 1
Last Answer : (A) 4
Description : Octane number of gasoline is a measure of its (A) Resistance to knock (B) Ignition delay (C) Ignition temperature (D) Smoke point
Last Answer : (A) Resistance to knock
Description : Fuel oil is subjected to visbreaking to reduce its (A) Pour point (B) Viscosity (C) Pressure drop on pumping (D) All (A), (B) and (C
Last Answer : (D) All (A), (B) and (C
Description : Activity co-efficient is a measure of the (A) Departure from ideal solution behaviour (B) Departure of gas phase from ideal gas law (C) Vapour pressure of liquid (D) None of these
Last Answer : (A) Departure from ideal solution behaviour
Description : Water separometer index (modified) (WSIM) of a petrofuel is the measure of its (A) Emulsification tendency (B) Water separation characteristics (C) Water content (D) Water absorbing capacity from atmosphere
Last Answer : (B) Water separation characteristics
Description : The weathering index of a coal (A) Gives an idea of the fusion temperature of ash (B) Is related to its calorific value (C) Is a measure of its size stability, when stored & exposed to weather (D) Is a measure of its caking tendency
Last Answer : (C) Is a measure of its size stability, when stored & exposed to weather
Description : Fixed carbon in coal is defined as (A) That present in volatile matters (B) The total quantity of carbon present in the coal (C) Hundred minus the percentage of volatile matter, ash and moisture (D) The one which is present in the residue after combustion
Last Answer : (C) Hundred minus the percentage of volatile matter, ash and moisture
Description : Carbon content of pitch (residue of coal tar distillation) is around __________ percent. (A) 70 (B) 55 (C) 80 (D) 94
Last Answer : (D) 94
Description : Softening temperature of coal ash is a measure of the __________ of coal. (A) Caking tendency (B) Coking tendency (C) Clinkering tendency (D) Size stability
Last Answer : (C) Clinkering tendency
Description : Waxy crudes are treated with chemical additives mainly to (A) Depress its pour point (B) Dissolve wax (C) Precipitate wax (D) Remove wax
Last Answer : (A) Depress its pour point
Description : An aqueous solution of methanol is to be distilled in a tray column. High pressure steam is available as a source of heat. For a given reflux ratio and overhead composition, two options are ... (D) More number of trays are required and the residue composition is more dilute in methano
Last Answer : (A) Less number of trays are required
Description : Pour point and freezing point is equal for (A) Petrol (B) Diesel (C) Water (D) Crude petroleum
Last Answer : (C) Water
Description : A good lubricant should have high (A) Viscosity index (B) Volatility (C) Pour point (D) None of these
Last Answer : (A) Viscosity index
Description : Flash point of atmospheric distillation residue is determined by __________ apparatus. (A) Pensky-Martens (closed cup type) (B) Abel (C) Cleveland (open cup type) (D) None of these
Last Answer : (C) Cleveland (open cup type)
Description : Presence of predominantly large quantity of aromatics (polynuclear) is not desirable in aviation fuel, because it has (A) High pour point and low smoke point (B) Low viscosity index (C) High self-ignition temperature (D) All (A), (B) and (C)
Last Answer : (B) Low viscosity index
Description : Paraffins are desirable in lubricating oil, as it has got high (A) Viscosity (B) Viscosity index (C) Smoke point (D) Pour poin
Last Answer : (C) Smoke point
Description : Pour point of a petrofuel is (A) Multiple of 3°F (B) Multiple of 5°F (C) 5°C below the temperature at which oil ceases to flow (D) None of these
Last Answer : (C) 5°C below the temperature at which oil ceases to flow
Description : A distillation column with N plates is being operated under normal conditions. At some point of time, the operation is shifted to total reflux condition (i.e., no product and residue are ... and without total reflux (D) The top and bottom compositions correspond to the maximum enrichment available
Last Answer : (D) The top and bottom compositions correspond to the maximum enrichment available
Description : Which of the following hydrocarbons of same carbon atoms has minimum smoking tendency? (A) Paraffins (B) Naphthenes (C) Aromatics (D) Iso-paraffins
Last Answer : (A) Paraffins
Description : Have you heard of "Broken Arrows" or Reid Gershbein?
Last Answer : You can contact Reid through his website. link:“http://graphics.stanford.edu/~rsg/” or you can e-mail him at [email protected]
Description : How many times has don reid been married?
Last Answer : how many times has don reid been married
Description : Where does Reid live?
Last Answer : Los Angeles, California
Description : How much does Reid weigh?
Last Answer : i bet shes anorexic cos shes 38 kg
Description : Does Reid have a brother?
Last Answer : Yes! Reid Ewing has a half brother. His half brother is Hot Chelle Rae's bass player Ian Keaggy
Description : The first world cup hat trick was taken by __________ against New Zealand. A. Waqar Younis (Pakistan) B. Chetan Sharma (India) C. BA Reid (Australia) D. Kapil Dev (India)
Last Answer : ANSWER: B
Description : The first world cup hat trick was taken by __________ against New Zealand. A. Chetan Sharma (India) B. Waqar Younis (Pakistan) C. BA Reid (Australia) D. Kapil Dev (India)
Last Answer : ANSWER: A