Table of Contents
The correct answer is Honey. Viscosity: S I unit: Pascal seconds (Pa·s) or kg·m−1·s−1.
Which has the highest viscosity?
The correct answer is Honey. Viscosity: S I unit: Pascal seconds (Pa·s) or kg·m−1·s−1. It is the property of a liquid representing the internal resistance of its different layers to motion.
Which of the following liquid has highest viscosity?
Among glycol, ethanol and water, the liquid with maximum viscosity is glycol because glycol exhibits stronger hydrogen bonding than ethanol and water due to the presence of two $ – OH$ groups.
What is an example of high viscosity?
Fluids with low viscosity have a low resistance and shear easily and the molecules flow quickly; high viscosity fluids move sluggishly and resist deformation. Some liquids, like pitch, glass and peanut butter, have such high viscosity they behave like solids. For example, water at 20°C has a viscosity of 1.002 cPs.
Which of the following has lower viscosity?
Water has the lowest viscosity.
What is a high viscosity oil?
High viscosity oils flow more slowly and come with a higher SAE number. It’s logical to assume that a low viscosity oil is thinner than a high viscosity oil. Sometimes, viscosity is also referred to as an oil’s “weight,” with a heavier oil featuring a higher viscosity grade.
Which of these fluids has the highest viscosity Mcq?
Syrup has the highest viscosity.
What is high viscosity substance?
High-Viscosity Substance means a noxious liquid substance in Category X or Y with a viscosity equal to or greater than 50 mPa.s at the unloading temperature. 2Low-Viscosity Substance means a noxious liquid substance, which is not a High‐Viscosity Substance.Regulation 2 — Application1.
Which of the following is the lowest viscosity liquid?
The least viscous at any temperature must be superfluid liquid helium.
Which of the following adjusts the viscosity?
Temperature has a major effect on viscosity; the viscosity decreasing significantly with increase in temperature. As the temperature increases the molecules in the liquid move about more, and therefore spend less time in contact with each other, thus the internal friction of the liquid decreases.
What is the viscosity of honey?
Viscosity Scale Water @ 70°F / 21°C 1 centipoise (cps) Glycerin or Motor Oil (SAE 60) 1,000 – 2,000 centipoise (cps) Pourable Urethane Rubbers 1,000 – 3,000 centipoise (cps) Honey or Corn Syrup 2,000 – 3,000 centipoise (cps) Molasses 5,000 – 10,000 centipoise (cps).
What is the highest viscosity engine oil?
All motor oils have viscosity ratings given by the the Society for Automotive Engineers, with the most common viscosity grade being 5W-30.
Does oil have a high viscosity?
Thin oils have lower viscosity and pour more easily at low temperatures than thicker oils that have a higher viscosity. Thin oils reduce friction in engines and help engines start quickly during cold weather. Thick oils are better at maintaining film strength and oil pressure at high temperatures and loads.
What is viscosity of crude oil?
Crude oils – viscosity and °API Crude Oil Kin. Viscosity [mm²/s] at Temp. API Gravity °API Arabian Light 10.7 at 20 °C 34.2 Bonny Light 2.90 at 50 °C 35.4 35.8 Boscan 11233 at 100 °F 10.1 Brent 2.86 at 50 °C 37.9 38.2.
What is high viscosity cargo?
17.1 High-viscosity substance means a noxious liquid substance in category X or Y with a viscosity equal to or greater than 50 mPa·s at the unloading temperature.
Why glycerol is highly viscous?
Glycerol has three hydrogen bonds which results in an extensive hydrogen bonding. That is why glycerol is highly viscous.
What is fluid viscosity?
viscosity, resistance of a fluid (liquid or gas) to a change in shape, or movement of neighbouring portions relative to one another. Viscosity denotes opposition to flow. The reciprocal of the viscosity is called the fluidity, a measure of the ease of flow. Molasses, for example, has a greater viscosity than water.
Which oil has the highest viscosity when the engine is warm?
10W and 15W are more for hot climates. The other number that comes after the hyphen indicates the viscosity at higher temperatures. So the higher the number, the better the oil flows even at very high temperatures because it has a higher viscosity and it doesn’t get too thin.
What is low viscosity oil?
Viscosity is the measure of a fluid’s resistance to flow. Motor oil viscosity is the measure of its resistance to flow. Low-viscosity oil (e.g. 0W-20) flows faster than high-viscosity oil (e.g. 20W-50).
Does water have low viscosity?
Viscosity describes a fluid’s internal resistance to flow and may be thought of as a measure of fluid friction. Thus, water is “thin”, having a low viscosity, while vegetable oil is “thick” having a high viscosity.
What is viscosity of liquid fuels?
The kinematic viscosity of typical engine fuels is in the order of Centi Stokes or cSt. The kinematic viscosity of some selected petroleum and alternative fuels such as gasoline, diesel, biodiesel, methanol, ethanol are 0.88cSt, 2-5 cSt, 5-7 cSt, 0.65cSt, 0.85cSt etc. respectively at 40⁰ C.
What is the viscosity of coconut oil?
Approximate Viscosities of Some Common Liquids Liquid Specific Gravity @ 16°C Absolute Viscosity cP Cocoa Butter 0.92 50 Cocoa Butter 0.87 0.5 Coconut Oil 0.93 55 Coconut Oil 30.
What is viscosity of condensate?
The viscosities of the gas condensate at 253, 273, and 303 K were 1.55, 1.11, and 0.76 mm2/s, respectively. The heavy oil contained 4.7 wt % of asphaltene.
What is high Vapour pressure cargo?
As a high vapour pressure petroleum cargo enters an empty tank there is a rapid evolution of gas, as a result it may be necessary to reduce the loading rates. During the loading of high vapour pressure cargoes a very high concentration of hydrocarbon gas, approaching 100% by volume, may be vented to atmosphere.
What is required for high viscosity or solidifying substances under Category Y?
Category Y, high Viscosity and solidifying cargoes may require prewash, if not heated. Category Y Cargoes with a melting point above 15°C. Discharge temperature must be at least 10°C. above melting point of the cargo.
What is heated cargo?
The specially shaped heating elements secure easy cargo circulation and have a low surface temperature against cargo. The high capacity and low pressure drop through the cargo heater gives a low power consumption during circulation and secure a good mixing and heat distribution inside the cargo tank.
