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how are appliances we use in the domestic circuit interlinked what are the benefits of this
a jeweler has bars of 18-carat gold and 12-carat gold how much of every melted together to obtain a bar of 16-carat gold weighing 120 gm it is given
the students of a class are made to stand in complete rows if one student is more in each row there would be 2 rows less and if one student is less
5 years however a mans age will be 3times his sons age and 5 years ago he was 7 times as old as his son find their present
a two-digit number is seven times the sum of its digits the number formed by reversing the digits is 18 less than the original number find
a motor boat takes six hours to cover 100 km downstream and 30 km upstream if the motor boat goes 75 km downstream and returns back to its
a man travels 600km partly by train and partly by truck if he covers 120km by train and the rest by truck it takes him eight hours but if he
six men and eight boys can finish a piece of work in 14 days while eight men and twelve boys can do it in 10 days find the time taken by 1man
a 90 acid solution is mixed with a 97 acid solution to obtain 21 litres of a 95 solution findout the quantity of every solutions to get the resultant
the area of a rectangle gets decreased by 8 m2 if its length is decreased by 5 m and breadth increased by 3 m if we enhance the length by 3 m
if three times the larger of the two numbers is divided by the smaller then the quotient is 4 and remainder is 5 if 6 times the smaller is divided by
you recently started the paperwork to purchase your new home and you were just notified that you can move into the house in two weeks you decide to
suppose you are in the market for a new home and are interested in a new housing community under construction in a another citya the sales
a mixture of air and methanol vapour is fed to a converter in which the following reactions take placech oh o hcho h o 3 2 2 2 1 reg 3 2 ch oh reg
a calculate the energy required to heat 1kg of co2 from 400oc to 600oc at a constant pressure of 1atm using-i the mean heat capacity data given
blending is an important unit operation in the chemical and process industries it is employed in a wide variety of industries including the
you just need to use numerical methods to find temperature distribution in two or three dimensional plate cylinder sphere or you can
a passenger jet took 3 hours to fly 1800 km in the direction of the jetstream the return trip against the jetstream took four hours what was the jets
an adiabatic air compressor is to be powered by a direct-coupled adiabatic steam turbine that is also driving a generator steam enters the turbine at
a carnot heat engine gets heat at 800 k and rejects the waste heat to the environment at 300 k the whole work output of the heat engine is used to
a 05 m3 rigid tank is filled with saturated liquid water at 200oc a valve at the bottom of the tank is opened and liquid is withdrawn from the tank
a piston device haves 08 kg of an ideal gas initially at 200 kpa and 30oc the gas is then compressed slowly in a polytropic process during which pv13
describe why shielding is more effective by electrons in a shell of lower principle quantum number than by electrons having the similar principle
why is the total energy of a many-electron atom not equivalent to the sum of the orbital energies for every