Description : . For gasoline, the flash point (
Last Answer : (D) None of these
Description : Flash point of an oil is determined by the (A) Pensky Martens apparatus (B) Ramsbottom apparatus (C) Saybolt viscometer (D) Conradson apparatus
Last Answer : (A) Pensky Martens apparatus
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 : Pick out the wrong statement. (A) Pensky-Marten apparatus is used for determining flash points above 50°C (B) Characterisation factor of paraffinic crude oil is more than 12 (C) Abel ... An oil having high susceptibility to change in viscosity with temperature changes, has a high viscosity index
Last Answer : (D) An oil having high susceptibility to change in viscosity with temperature changes, has a high viscosity index
Description : Which one is used to determine the colour of petroleum products? (A) Colour comparator (B) Saybolt chromometer (C) Cleveland apparatus (D) None of these
Last Answer : (A) Colour comparator
Description : Abel apparatus is used for those oils, whose flash points are _______°F. (A) < 120 (B) > 120 (C) > 280 (D) 300-600
Last Answer : (A) < 120
Description : Pensky-Marten apparatus is used for those oils, whose flash points are __________ °F. (A) < 120 (B) > 120 (C) < 90 (D) 90-110
Last Answer : (B) > 120
Description : Which of the following has the lowest flash point of all? (A) Diesel (B) Kerosene (C) Petrol
Last Answer : (C) Petrol
Description : Which of the following has the highest flash point of all? (A) Diesel (B) Kerosene (C) Petrol (D) Furnace oi
Last Answer : (D) Furnace oil
Description : Petroleum liquid fuels having flash point greater than 66°C is considered as safe during storage and handling. Which of the following has flash point > 66°C? (A) Naphtha (B) Petrol (C) Kerosene (D) Heavy fuel oil
Last Answer : (D) Heavy fuel oil
Description : The average boiling point of aviation turbine fuel is closest to that of (A) Lubricating oils (B) LPG (C) Diesel (D) Kerosene
Last Answer : (D) Kerosene
Description : Presence of aromatics in (A) Diesel increases its cetane number (B) Kerosene increases its smoke point (C) Petrol increases its octane number (D) All (A), (B) and (C)
Last Answer : (C) Petrol increases its octane number
Description : Which one of the following petroleum refinery products has the lowest boiling point? (1) Kerosene (2) Gasoline (3) Diesel (4) Lubricating oil
Last Answer : (4) Lubricating oil Explanation: Lubricating oil is the most commonly used lubricant because of its wide range of possible applications. The two basic categories of lube oil are mineral and synthetic.
Description : Visbreaking process is used mainly for making (A) High cetane diesel (B) High octane gasoline (C) Fuel oil (D) Smoke free kerosene
Last Answer : (C) Fuel oil
Description : Which of the following has the lowest viscosity (at a given temperature) of all? (A) Naphtha (B) Kerosene (C) Diesel (D) Lube oil
Last Answer : (A) Naphtha
Description : Which of the following has the maximum °API gravity of all? (A) Diesel (B) Kerosene (C) Petrol (D) Furnace oil
Description : Which of the following contains maximum sulphur? (A) Diesel (B) Petrol (C) Kerosene (D) Fuel oil
Last Answer : (D) Fuel oil
Description : Pyrolysis of kerosene or natural gasoline is done to produce mainly the (A) Olefins and aromatics (B) Lighter paraffins (C) Stabilised gasoline (D) Diesel
Last Answer : (A) Olefins and aromatic
Description : Which of the following is desirable in diesel and kerosene but is undesirable in gasoline? (A) Aromatics (B) Mercaptans (C) Paraffins (D) Naphthenic acid
Last Answer : (A) Aromatics
Description : Aromatics are desired constituents of (A) Lubricating oil (B) Diesel (C) Kerosene (D) Petrol
Last Answer : (D) Petrol
Description : Which of the following has the minimum °API gravity of all? (A) Diesel (B) Kerosene (C) Petrol (D) Furnace oil
Description : __________ is used as jet engine fuel. (A) Petrol (B) Diesel (C) Kerosene (D) LPG
Last Answer : (C) Kerosene
Description : Laboratory gas is obtained by the cracking of (A) Gasoline (B) Diesel (C) Fuel oil (D) Kerosene
Description : What is the difference between centromere and chromometer ?
Last Answer : Centromere 1. Undigested space is special in the colored chromosome. 2. Seen on all chromosomes. 3. Here the RNA is slightly coiled. 4. Each chromosome usually contains one. 5. Centromeres usually do ... more coiled. 4. Each chromosome contains a lot. 5. Each chromosome contains one or more genes.
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
Description : Nitrogen present in the flue gas is determined in the Orsat apparatus by absorbing it in (A) KOH (B) Ammoniacal cuprous chloride (C) Pyrogallol solution (D) None of these
Description : What is the difference between petrol , diesel and kerosene ?
Last Answer : Petrol , diesel and kerosene are both hydrocarbons. However , they differ depending on the number of carbons . degree c they are diesel. Their carbon number is up to 17-20 . And the part whose boiling point is 121-170 degree c they are kerosene. Their carbon number is up to 11-16 .
Description : Which of the following is the lightest and most volatile liquid fuel A. diesel B. kerosene C. fuel oil D. gasoline
Last Answer : ANSWER : D
Description : Which of the following is the lightest and most volatile liquid fuel? a. diesel b. kerosene c. gasoline d. fuel oil
Last Answer : ANSWER c. gasoline
Description : Which of the following fuels causes minimum environmental pollution? (1) Kerosene (2) Diesel (3) Coal (4) Hydrogen
Last Answer : (4) Hydrogen Explanation: Most of environmental (air) pollution results from the burning of fossil fuels, such as coal, oil, natural gas, and gasoline to produce electricity and power. All these ... produces nothing but water vapor. It is therefore the cleanest possible as it doesn't produce CO2.
Description : Which of the following fuels causes minimum environmental pollution? (1) Diesel (2) Kerosene (3) Hydrogen (4) Coal
Last Answer : (3) Hydrogen
Last Answer : (3) Hydrogen Explanation: Coal, diesel and kerosene are examples of fossil fuels that contribute to pollution. In contrast, hydrogen burns in air, it produces nothing but water vapor and energy. It is considered as totally clean and nonpolluting source of energy.
Description : Octane number is related to (a) Gasoline (b) Kerosene oil (c) Diesel oil (d) Lubricating oi
Last Answer : Gasoline
Description : For rapid curing cutbacks, the oil used is (A) Gasoline (B) Kerosene oil (C) Light diesel (D) Heavy diesel
Last Answer : Answer: Option A
Description : Self-propelled combine harvester is provide with a) Powering engine b) Petrol engine c) Diesel engine d) Kerosene engine
Last Answer : Diesel engine
Description : Minimum air pollution is caused by burning of a) coal b)kerosene c)LPG d)Diesel
Last Answer : c)LPG
Description : Which among them is cleaner fuel –coal , LPG, Diesel , kerosene ? a) coal b)LPG c)diesel d)kerosene
Last Answer : b)LPG
Last Answer : Hydrogen
Description : Which of the following statements is a requirement of Coast Guard Regulations (46 CFR) concerning emergency diesel generator engines? A. The fuel must have a flash point not less than 75°F. B. ... to each side of the vertical. D. The starting battery must produce 12 consecutive cranking cycles.
Last Answer : Answer: C
Description : Who among the following became the first woman to win the Abel prize 2019?
Last Answer : Karen Uhlenbeck
Description : How do I stop my Dr Martens from cracking?
Last Answer : I’ve heard about trying vasoline, but this is second-hand information.
Description : Do Doc Martens run small, narrow, etc.?
Last Answer : In my experience, there is nothing like actually trying them on. I’d suggest a visit to the mall to avoid having to return a present if they don’t fit like you thought they would.
Description : How to get rid of martens in the soil?
Last Answer : I would personally leave her there if I could. Otherwise, it is given to expel human hair, dog fur, shit from some predator. She doesn't like it if she plays radio there all the time.
Description : The boiling point of ammonia is (a) -100°C (b) -50°C (c) - 33.3°C (d) 33.3°C.
Last Answer : Ans: c
Description : Temperature and gage pressure maintained during the manufacture of hot SBR (styrene butadiene rubber) are (A) 50°C and 3 - 4 kg/cm2 (B) 50°C and 1 kgf/cm2 (C) 250°C and 10 kgf/cm2 (D) 250°C and 1 kgf/cm
Last Answer : (A) 50°C and 3 - 4 kg/cm
Description : The outlet temperature of cooling water in a heat exchanger is generally not allowed to exceed above 50°C in industrial practice mainly to avoid (A) Its evaporation loss (B) Excessive corrosion (C) Uneconomic LMTD (D) Decrease in heat exchanger efficiency
Last Answer : (B) Excessive corrosion
Description : Hot water (0.01 m3 /min) enters the tube side of a counter current shell and tube heat exchanger at 80°C and leaves at 50°C. Cold oil (0.05 m3 /min) of density 800 kg/m3 and specific heat of ... mean temperature difference in °C is approximately (A) 32 (B) 37 (C) 45 (D) 50
Last Answer : (A) 32
Description : Process conditions in fermentator used for production of penicillin is (A) 25°C, 2 atm (B) 50°C, l0 atm (C) 30°C, 200 mm Hg (absolute) (D) 90°C, 45 atm
Last Answer : (A) 25°C, 2 atm
Description : A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system (A) its internal energy (U) decreases and its entropy (S) increases (B) U and S both decreases (C) U decreases but S is constant (D) U is constant but S decreases
Last Answer : (B) U and S both decreases