By which number the quality of gasoline’ sample is determined?

By which number the quality of gasoline’ sample is
determined?
by

1 Answer

Answer :

By its octane number
by

Related questions

By which number the quality of gasoline’ sample is determined? -General Knowledge

Description : By which number the quality of gasoline’ sample is determined? -General Knowledge

Last Answer : The answer is 'By its octane number'

By which number the quality of gasoline’ sample is determined? -General Knowledge

Description : By which number the quality of gasoline’ sample is determined? -General Knowledge

Last Answer : answer:

By which number the quality of gasoline’ sample is determined? -General Knowledge

Description : By which number the quality of gasoline’ sample is determined? -General Knowledge

Last Answer : answer:

By which number the quality of gasoline’ sample is determined?

Description : By which number the quality of gasoline’ sample is determined?

Last Answer : By its octane number

By which number the quality of gasoline’ sample is determined?

Description : By which number the quality of gasoline’ sample is determined?

Last Answer : By its octane number

Laboratory monitoring of coagulation and anticoagulation includes testing of platelet function. Which of the following statements is/are true concerning tests of platelet function? a. A platelet count of 50,000/µL or more usually ensures hemostasis b. Bleeding time assays assessibility of platelets to perform hemostatic plugs and is determined from a sample of blood drawn in an EDTA coated test tube c. Aspirin therapy can be associated with a bleeding time in the range of 8–15 minutes d. Tests of platelet aggregation should be part of the standard preoperative evaluation of patients using aspirin

Description : Laboratory monitoring of coagulation and anticoagulation includes testing of platelet function. Which of the following statements is/are true concerning tests of platelet function? a. A ... platelet aggregation should be part of the standard preoperative evaluation of patients using aspirin

Last Answer : Answer: a, c Tests of platelet function include peripheral platelet counts, bleeding times, and platelet aggregation. Usually, a platelet count of 50,000/mL or more ensures adequate hemostasis ... is not available in most laboratories, probably because of the observer-dependent nature of the test

Where the complaint alleges a defect in the goods which cannot be determined without proper analysis or test of the goods, the sample of goods forwarded to appropriate laboratory for laboratory test. Such types of case finding report within ______days a) 30 b) 40 c) 45 d) 60

Description : Where the complaint alleges a defect in the goods which cannot be determined  without proper analysis or test of the goods, the sample of goods forwarded to  appropriate laboratory for laboratory test. Such types of case finding report within  ______days a) 30 b) 40 c) 45 d) 60

Last Answer : c) 45 

A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then which is correct statement about density of metal (A) Density of metal can't be determined (B) Metal is twice as dense as water (C) Metal will float in water (D) Metal is twice as dense as unknown fluid

Description : A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then  which is correct statement about density of metal  (A) Density of metal can't be determined  (B) ... as water  (C) Metal will float in water  (D) Metal is twice as dense as unknown fluid 

Last Answer : (A) Density of metal can't be determined 

Water content of a soil sample is the difference of the weight of the given sample at the given temperature and the weight determined after drying it for 24 hours at temperature ranging from (A) 80° to 90°C (B) 90° to 95°C (C) 103° to 105°C (D) 105° to 110°C

Description : Water content of a soil sample is the difference of the weight of the given sample at the given temperature and the weight determined after drying it for 24 hours at temperature ranging from (A) 80° to 90°C (B) 90° to 95°C (C) 103° to 105°C (D) 105° to 110°C

Last Answer : (D) 105° to 110°C

. Reforming (A) Uses naphtha as feedstock (B) Does not much affect the molecular weight of the feed (C) Improves the quality & yield of gasoline (D) All (A), (B) and (C)

Description : . Reforming (A) Uses naphtha as feedstock (B) Does not much affect the molecular weight of the feed (C) Improves the quality & yield of gasoline (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Diesel index (an alternative index for expressing the quality of diesel) is (A) Determined by using a test engine (B) Not related to aniline point (C) Equal to cetane number plus 3 (D) All (A), (B) & (C)

Description : Diesel index (an alternative index for expressing the quality of diesel) is (A) Determined by using a test engine (B) Not related to aniline point (C) Equal to cetane number plus 3 (D) All (A), (B) & (C)

Last Answer : (C) Equal to cetane number plus 3

(2) amount of oxygen used for biochemical oxidation Explanation: Biochemical oxygen demand or B.O.D. is the amount of dissolved oxygen needed by aerobic biological organisms in a body of water to break down organic material present in a given water sample at certain temperature over a specific time period. The term also refers to a chemical procedure for determining this amount. This is not a precise quantitative test, although it is widely used as an indication of the organic quality of water.

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Last Answer : The addition of gypsum to port-land cement helps in : (1) increasing the strength of cement (2) rapid setting of cement (3) preventing rapid setting of cement (4) reduction in the cost of cement

Digital transmission provides a higher level of signal quality than analog transmission because A. repeaters regenerate digital pulses and remove distorstion B. digital signals are easier to sample than analog signals C. digital signals are smaller than analog signals and cannot easily be distorted D. analog signals are continuous and not easily distorted.

Description : Digital transmission provides a higher level of signal quality than analog transmission because A. repeaters regenerate digital pulses and remove distorstion B. digital signals are easier to sample than ... and cannot easily be distorted D. analog signals are continuous and not easily distorted.

Last Answer : A. repeaters regenerate digital pulses and remove distorstion

At a work site, statistical quality control of concrete means (A) Measurement of risks to eliminate failures (B) Applying the theory' of probability to sample testing or inspection (C) Reduction in wastage of inspection costs (D) Reduction in costs for the removal of defects

Description : At a work site, statistical quality control of concrete means (A) Measurement of risks to eliminate failures (B) Applying the theory' of probability to sample testing or inspection (C) Reduction in wastage of inspection costs (D) Reduction in costs for the removal of defects

Last Answer : (B) Applying the theory' of probability to sample testing or inspection

A sample rate of ________is required for a good quality representation of telephone conversation. (A) 4500 times per second. (B) 700 integer sample points per minute. (C) 50 times per second per mile of distance travelled. (D) 8000 times per second.

Description : A sample rate of ________is required for a good quality representation of telephone conversation. (A) 4500 times per second. (B) 700 integer sample points per minute. (C) 50 times per second per mile of distance travelled. (D) 8000 times per second.

Last Answer : (C) 50 times per second per mile of distance travelled.

The University Book Shop selects 200 of its more than 8,000 customers to participate in a study on service quality in the shop. The Book Shop has established a ________ for use in its research: A)population B)field setting C)dependent grouping D)sample E)experiment

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Last Answer : D)sample

Which resources are surveyed and determined on the basis of their quantity and quality for utilisation ? -SST 10th

Description : Which resources are surveyed and determined on the basis of their quantity and quality for utilisation ? -SST 10th

Last Answer : Developed resources.

A scion is grafted to a stock. The quality of fruits produced wiIl be determined by the genotype of -

Description : A scion is grafted to a stock. The quality of fruits produced wiIl be determined by the genotype of -

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The quality of soap is determined by .?

Description : The quality of soap is determined by .?

Last Answer : TEM (Total Fatty Matter)

The project team has just determined that the deadline for completion will not be met. In order to deliver a high quality system on schedule, the team has requested that the features be prioritized and that a fixed deadline be imposed for the project. This technique is referred to as SDLC methodology.

Description :  The project team has just determined that the deadline for completion will not be met.  In order to deliver a high quality system on schedule, the team has requested that the  features be ... that a fixed deadline be imposed for the project. This technique  is referred to as SDLC methodology.

Last Answer : Ans: False

The form of the syllogism as determined by the position of the middle term is A) Figure B) Mood C) Quality D) Quantity.

Description : The form of the syllogism as determined by the position of the middle term is A) Figure B) Mood C) Quality D) Quantity. 

Last Answer : A) Figure 

The quantity of a proposition is determined by the __________ of the subject. A) Intension B) Extension C) Quality D) Predicate.

Description : The quantity of a proposition is determined by the __________ of the subject. A) Intension B) Extension C) Quality D) Predicate. 

Last Answer :  B) Extension 

What type of data is the number of liters of gasoline pumped by a falling station during a day?

Description : What type of data is the number of liters of gasoline pumped by a falling station during a day?

Last Answer : What is the answer ?

Octane number of gasoline is obtained by comparing the performance of the engine when running on a mixture of the following hydrocarbons A. ethane and methane B. normal heptane and iso-octane C. iso-heptane and octane D. iso-octane and TEL

Description : Octane number of gasoline is obtained by comparing the performance of the engine when running on a mixture of the following hydrocarbons A. ethane and methane B. normal heptane and iso-octane C. iso-heptane and octane D. iso-octane and TEL

Last Answer : ANSWER : B

Octane number of gasoline is a measure of its (A) Resistance to knock (B) Ignition delay (C) Ignition temperature (D) Smoke point

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

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

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

__________ determination is not a very significant and important test for gasoline. (A) Gum & sulphur content (B) Viscosity (C) Octane number (D) Reid vapor pressure

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

Paraffin base crude oil as compared to asphalt base crude gives (A) Higher yield of straight run gasoline (B) Higher octane number gasoline (C) Lower viscosity index lube oil (D) Poorer yield of lube oil

Description : Paraffin base crude oil as compared to asphalt base crude gives (A) Higher yield of straight run gasoline (B) Higher octane number gasoline (C) Lower viscosity index lube oil (D) Poorer yield of lube oil

Last Answer : (A) Higher yield of straight run gasoline

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

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

Though increased pressure has a retarding effect on cracking reaction, yet in actual process, a positive pressure of 10-15 kgf/cm2 is maintained during cracking mainly to (A) Increase the yield of light distillates (B) Suppress coke formation (C) Enhance the octane number of gasoline (D) Reduce gum content in gasoline

Description : Though increased pressure has a retarding effect on cracking reaction, yet in actual process, a positive pressure of 10-15 kgf/cm2 is maintained during cracking mainly to (A) Increase the yield of ... coke formation (C) Enhance the octane number of gasoline (D) Reduce gum content in gasoline

Last Answer : (B) Suppress coke formation

Octane number (unleaded) of reformed gasoline may be upto (A) 60 (B) 70 (C) 80 (D) 90

Description : Octane number (unleaded) of reformed gasoline may be upto (A) 60 (B) 70 (C) 80 (D) 90

Last Answer : (D) 90

The octane number of aviation gasoline may be (A) 79 (B) 87 (C) 97 (D) > 100

Description : The octane number of aviation gasoline may be (A) 79 (B) 87 (C) 97 (D) > 100

Last Answer : (D) > 100

Which of the following gasoline (unleaded) has the least octane number? (A) Catalytically cracked gasoline (B) Straight run gasoline (C) Catalytically reformed gasoline (D) Polymer gasoline

Description : Which of the following gasoline (unleaded) has the least octane number? (A) Catalytically cracked gasoline (B) Straight run gasoline (C) Catalytically reformed gasoline (D) Polymer gasoline

Last Answer : (B) Straight run gasoline

Pick out the wrong statement. (A) Alkylation produces a larger iso-paraffin (having higher octane number) from the reaction of an olefin with smaller iso-paraffin (B) Catalytic alkylation processes use HF, AlCl3 & H2SO4 as Catalysts (C) All the alkylation processes use very high temperature (> 1000°C) (D) Gasoline having an octane number of 90 can be produced by alkylation process

Description : Pick out the wrong statement. (A) Alkylation produces a larger iso-paraffin (having higher octane number) from the reaction of an olefin with smaller iso-paraffin (B) Catalytic alkylation processes use HF ... (> 1000°C) (D) Gasoline having an octane number of 90 can be produced by alkylation process

Last Answer : (C) All the alkylation processes use very high temperature (> 1000°C)

Straight run naphtha is converted into high octane number petrol (gasoline) by catalytic (A) Cracking (B) Polymerisation (C) Reforming (D) Isomerisation

Description : Straight run naphtha is converted into high octane number petrol (gasoline) by catalytic (A) Cracking (B) Polymerisation (C) Reforming (D) Isomerisation

Last Answer : (C) Reforming

Octane number (unleaded) of gasoline produced by isomerisation of butane may be about (A) 45 (B) 55 (C) 70 (D) 90

Description : Octane number (unleaded) of gasoline produced by isomerisation of butane may be about (A) 45 (B) 55 (C) 70 (D) 90

Last Answer : (C) 70

Higher pressure in the reforming reactor (A) Increases coke formation (B) Increases the rate of reaction(C) Produces high octane number gasoline(D) None of these

Description : Higher pressure in the reforming reactor (A) Increases coke formation (B) Increases the rate of reaction (C) Produces high octane number gasoline (D) None of these

Last Answer : (D) None of these

Choose the correct statement regarding thermal cracking. (A) Moderate changes in operating temperature does not change the depth of cracking (B) Increased residence time results in the decreased severity of cracking (C) At low pressure, the yield of lighter hydrocarbons are more (D) Greater depth of cracking gives lower octane number gasoline

Description : Choose the correct statement regarding thermal cracking. (A) Moderate changes in operating temperature does not change the depth of cracking (B) Increased residence time results in the decreased ... of lighter hydrocarbons are more (D) Greater depth of cracking gives lower octane number gasoline

Last Answer : (D) Greater depth of cracking gives lower octane number gasoline

The amount of tetraethyl lead added to improve the octane number of motor gasoline is around __________ c.c per gallon of petrol. (A) 3 (B) 300 (C) 3000 (D) 1000

Description : The amount of tetraethyl lead added to improve the octane number of motor gasoline is around __________ c.c per gallon of petrol. (A) 3 (B) 300 (C) 3000 (D) 1000

Last Answer : (A) 3

Octane number of gasoline produced by two stage fluidised catalytic cracking process is (A) 80 (B) 87 (C) 92 (D) 97

Description : Octane number of gasoline produced by two stage fluidised catalytic cracking process is (A) 80 (B) 87 (C) 92 (D) 97

Last Answer : (D) 97

Pick out the correct statement pertaining to catalytic cracking. (A) With increase in the reactor pressure, octane number of gasoline decreases (B) With increase in the reactor temperature, gasoline yield decreases for a given conversion (C) Percentage conversion increases with increase in the catalyst to oil ratio (D) All (A), (B) and (C)

Description : Pick out the correct statement pertaining to catalytic cracking. (A) With increase in the reactor pressure, octane number of gasoline decreases (B) With increase in the reactor temperature, gasoline yield decreases for a given ... with increase in the catalyst to oil ratio (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

In catalytic cracking, the (A) Gasoline obtained has a very low octane number (B) Pressure & temperature is very high (C) Gasoline obtained has very high aromatic content (D) Gasoline obtained has very high amount of gum forming compounds

Description : In catalytic cracking, the (A) Gasoline obtained has a very low octane number (B) Pressure & temperature is very high (C) Gasoline obtained has very high aromatic content (D) Gasoline obtained has very high amount of gum forming compounds

Last Answer : (C) Gasoline obtained has very high aromatic content

Power alcohol as compared to straight run gasoline has lower (A) Calorific value (B) Octane number (C) Specific gravity (D) Viscosity

Description : Power alcohol as compared to straight run gasoline has lower (A) Calorific value (B) Octane number (C) Specific gravity (D) Viscosity

Last Answer : (A) Calorific value

Gasoline with an octane number of 90 is equivalent in knocking characteristics to a mixture of heptane and isooctane of the following composition : (a) 20% heptane + 80% isooctane (b) 90% heptane + 10% isooctane (c) 80% heptane + 20% isooctane (d) 10% heptane + 90% isooctane

Description : Gasoline with an octane number of 90 is equivalent in knocking characteristics to a mixture of heptane and isooctane of the following composition : (a) 20% heptane + 80% isooctane (b) 90% heptane + 10% isooctane (c) 80% heptane + 20% isooctane (d) 10% heptane + 90% isooctane

Last Answer : 10% heptane + 90% isooctane

Octane number is related to (a) Gasoline (b) Kerosene oil (c) Diesel oil (d) Lubricating oi

Description : Octane number is related to (a) Gasoline (b) Kerosene oil (c) Diesel oil (d) Lubricating oi

Last Answer : Gasoline

Estimate the number of gallons of gasoline the typical gas station pumps in a given weekday.

Description : Estimate the number of gallons of gasoline the typical gas station pumps in a given weekday.

Last Answer : Start o with assumptions - how many cars are in the world and how often do they fill up at the stations on any given day (or what's the average) From there estimate the average number of gallons each car would need and then you can arrive at your answer