When the gun is fired, unburned powder comes out with enough force to break a balloon.

When marijuana is smoked, the THC behind the hot spot is vaporized as the hot air from the burn is drawn through the joint or pipe bowl to the unburned material.

When in contact with one of the electrodes in a fuel cell, this platinum increases the rate of oxygen reduction to water, either to hydroxide or hydrogen peroxide.

When considering fuel economy in automobiles two measures are commonly used – miles per gallon ( mpg ), and litres per 100 km.

A Power stroke: When the piston reaches a point just before top dead center, the spark plug ignites the fuel mixture.

When the piston moves further down and the cylinder doesn't have anymore gases, fuel mixture starts to flow to the combustion chamber and the second process of fuel compression starts.

Operation: When the piston moves from bottom dead center ( BDC ) to top dead center ( TDC ) the fresh air and fuel mixture enters the crank chamber through the intake port.

When using lower grade fuel, or worn engine the oil change interval has to shorten accordingly.

When Macduff learns of the murders of his wife and child, Malcolm consoles him unsympathetically with encouragement to take the news in “ manly ” fashion and use it to fuel his hatred of Macbeth.

When the bottle smashes on impact, the ensuing cloud of petrol droplets and vapour ignites, causing an immediate fireball followed by a raging fire as the remainder of the fuel is consumed.

When increasing concern within the company over the pricing and availability of fuel during the oil crisis of the 1970s became an issue of contention, smaller engines were considered in the interest of fuel economy.

When burned with oxygen, hydrogen gives the highest specific impulse of any commonly used fuel: around 450 seconds, compared with up to 350 seconds for kerosene.

When the energy gradient created by unleashing this fraction of the stored fuel was exhausted, the beings would enter a state of zero-energy-consumption until the universe cooled.

When they run out of thruster fuel, the satellites are at the end of their service life as they are no longer able to keep in their allocated orbital position.

When the weight of the payload and fuel are considered together, it is known as the " useful load fraction ".

When the bomb detonated, the casing would contain the explosion long enough for mechanical shock to heat and compress the fusion fuel, and for fission neutrons to ignite nuclear fusion.

When driving on a highway, convoys are also useful to conserve fuel by drafting.

When the liquid fuel reaches the flame, it vaporizes and combusts.

When carburetors are used in aircraft with piston engines, special designs and features are needed to prevent fuel starvation during inverted flight.

When the step-up rod is lowered into the main jet, it restricts the fuel flow.

When the step-up rod is raised out of the jet, more fuel can flow through it.

When the throttle is rapidly opened, airflow through the carburetor increases immediately, faster than the fuel flow rate can increase.

When the engine is cold, fuel vaporizes less readily and tends to condense on the walls of the intake manifold, starving the cylinders of fuel and making the engine difficult to start ; thus, a richer mixture ( more fuel to air ) is required to start and run the engine until it warms up.

When non-native speakers speak Hindi-Urdu, they might pronounce / व / in ' व ् रत ' as, i. e. as wrat instead of the correct vrat.

When the boot loader detected a CP / M floppy, the Aster would reconfigure its internal memory architecture on the fly to optimally support CP / M with 60 KB free RAM for programs ( TPA ) and an 80 x 25 display.

When Marinchip Software Partners ( later known as Autodesk ) formed, the founders decided to re-code Interact in C and PL / 1.

When Alaska Natives enrolled in their regional corporations under the terms of the Alaska Native Claims Settlement Act of 1971 ( ANCSA ), the Aleut Corporation attracted only about 2, 000 enrolees who could prove a blood quantum of 1 / 4 or more Alaska Native ( including Aleut ).

When the country was still part of the former Yugoslavia, joint ventures and cooperation played a large role here ( motor industry, metal processing, textile industry / contract processing work, steel and chemicals ).

When analyzing a pitcher's statistics, some useful categories to consider include K / 9IP ( strikeouts per nine innings ), K / BB ( strikeouts per walk ), HR / 9, WHIP ( walks plus hits per inning pitched ) and OOPS ( opponent on-base plus slugging ).

When a backplane is used with a plug-in single board computer ( SBC ) or system host board ( SHB ), the combination provides the same functionality as a motherboard, providing processing power, memory, I / O and slots for plug-in cards.

When used as a unit of power, Btu per hour ( Btu / h ) is the correct unit, though this is often abbreviated to just " Btu ".

The NOVA / Horizon episode The Case of the Bermuda Triangle, aired on June 27, 1976, was highly critical, stating that " When we've gone back to the original sources or the people involved, the mystery evaporates.

When light is sent through the sample, it is backscattered by the particles / droplets.

Mencius says: " When being a child, yearn for and love your parents ; when growing mature, yearn for and love your lassie ; when having wife and child ( ren ), yearn for and love your wife and child ( ren ); when being an official ( or a staffer ), yearn for and love your sovereign ( and / or boss ).

" Venerable / Heroic in Virtue " When enough information has been gathered, the congregation will recommend to the pope that he make a proclamation of the Servant of God's heroic virtue ( that is, that the servant exhibited the theological virtues of faith, hope and charity, and the cardinal virtues of prudence, justice, fortitude and temperance, to a heroic degree ).

When the sample is treated in the course of an analysis, the phase or the phases containing the analytes of interest is / are referred to as the sample whereas everything out of interest separated from the sample before or in the course of the analysis is referred to as waste.

When playing teams, teammates usually sit at opposite corners of the star, with each team member controlling his / her own set of pieces.

When instead the wild type trait is expressed, the positions are said to belong to distinct cistrons / genes.

For example, series of humorous tips in MikroBitti 5 / 1989 said " When programming late, coffee and kebab keep nicely warm on top of the 1541.

When U and V are two independent normally distributed random variables with expected value 0 and variance 1, then the ratio U / V has the standard Cauchy distribution.

When Counter-Strike was published by Sierra Entertainment / Vivendi Universal Games, it was bundled with Team Fortress Classic, Opposing Force multiplayer, and the Wanted, Half-Life: Absolute Redemption and Firearms mods.

When used in the extemporaneous preparation of topical medications, it is supplied in the form of Coal Tar Topical Solution USP, which consists of a 20 % w / v solution of coal tar in alcohol, with an additional 5 % w / v of polysorbate 80 ; this must then be diluted in an ointment base such as petrolatum.

When hammerless designs started to become common, the O / U design was introduced, and most modern sporting doubles are O / U designs.