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define heat capacity ratioto find cpcv of a gas one occasionally uses the following method a certain amount of gas with preliminary temperature t0
explain about the heat extractiona a body of mass m has a temperature-independent precise heat c if the body is heated reversibly from a temperature
define the cylinders and heat bathregard as a cylinder 1 m long with a thin massless piston clamped in such a manner that it divides the cylinder
define about the ventinga thermally insulated chamber is pumped down to an extremely low pressure at a few point the chamber is vented thus that it
define isochoric cooling and isobaric expansionan ideal gas of total mass and molecular weight mu is isochorically at constant volume cooled to a
define about the puncturea dense ideal gas flows out of a small hole in a tire which has a pressure po insidea calculate the velocity of gas outside
define adiabatic atmospheres boston marylandthe lower 10-15 km of the troposphere the atmosphere is often in a convective stable state with constant
define surface contaminations wisconsin-madisona surface scientist wishes to remain an exposed surface clean le 005 adsorbed monolayer for an
define hydrogen rocket the reaction chamber of a rocket engine is supplied with a mass flow rate m of sufficient oxygen and hydrogen to allow
define the process - liquid-solid-liquida small quantity of water of mass m 50g in a container at temperature t 273 k is placed inside a vacuum
define about the heat lossan immersion heater of power j500 w can be used to heat water in a bowl after 2 minutes the temperature enhance from t185oc
define the tea in thermosone liter of tea at 90deg c is poured keen on a vacuum-insulated container thermos the surface area of the thermos walls
define space station pressure mita space station consists of a huge cylinder of radius ro filled with air the cylinder revolve about its symmetry
what are intrinsic and extrinsic semiconductorsa semiconductor is a material that has an electrical conductivity among that of a conductor and an
advantages of induction motors1 simple design2 low cost compared to other motors of the similar capacity3 high overload capacity4 very rugged
applications of cement mortar1 it is used to carry out pointing and plaster works on exposed surface of masonry2 it is used to bind the building
properties of cement mortar1 it should make good adhesion with building units like bricks stones etc2 it should be capable of resisting penetration
explain cement concretecement concrete is a mixture of cement sand pebbles or crushed rock and water which where placed in the skeleton of forms and
write about the properties of cementproperties1 it has huge compressive strength2 it is free from corrosion and there are no appreciable effect
define in detail about the test and characteristics of good brickstests for bricks1 absorption a brick is taken and it is weighed dry it is then
explain magnetic bearingthe horizontal angle among the line and magnetic meridian passing through one of the extremities of the line is known as
explain header and stretcherheadera brick laid with its length perpendicular to the direction of wall is known as a header a course of bricks in
define laterite stonelaterite is called sedimentary rock it has porous and spongy structure and can be simply quarried in blocks it have high
state perpendicular axis theorema explain impulse-momentum principleb verify the equation of motion for
define angle of reposeconsider a body resting on a plane oa assume this plane oa is slowly raised from the horizontal position to incline it with the