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Platinum and palladium catalyst promotes the removal of ____________ of the gaseous HC in the exhaust.
The owner of PC Jewellers has a brick of 38 pt. platinum and 19 pt. platinum. He wanted to obtain a brick of 30 pt. platinum, weighing 190 grams by melting these 2 bricks. Find how much of each must be melted to obtain the required bar? (Given: pure platinum is 95 pt.)
In this question, three statements are given followed by four conclusions. Choose the Conclusion(s) which best fit(s) logically. Statements : 1) All gold are platinum. 2) Some platinum are silver. 3) All silver are diamonds. Conclusions : I. Some diamonds are platinum. II. Some diamonds are gold. III. Some silver are gold. IV. Some platinum are diamonds.
In a newly developed innovative idea brought up by CSIR in India, gas turbine exhaust gas are being utilized to convert feedwater into steam. Certain data of the experiment are as follows: mass flow rate of exhaust gas = 40 kg/hr, enthalpy of exhaust gas at the time of their exit from gas turbine is 600 kJ/kg, steam turbine output as measured by brake dynamometer = 60 hp-sec, thermal efficiency of steam power plant is 0.25, efficiency of exhaust gas in converting feedwater into steam is taken as 50%. Find the enthalpy of exhaust gas remaining after they generate steam from feedwater?
A cinema house has 600 people. \(26\frac{2}{3}{\rm{\% }}\) People buy premium tickets and \(33\frac{1}{3}{\rm{\% }}\) People buy gold tickets and 40% of people buy platinum tickets. Only 5% of people buy both platinum and gold tickets and 10% of people buy both premium and platinum tickets and \(6\frac{2}{3}{\rm{\% }}\) of people buy both premium and gold tickets and 30 people buy all three types of tickets. Find the number of people who buy only one type of ticket.
What happens when noble metals like platinum and palladium are used as a catalyst in catalytic converters?
The catalyst materials most commonly used are platinum, palladium and rhodium.
Platinum and palladium are two main catalyst materials used for converters on CI engines.
Severe corrosion of metals occurred when coupled with platinum is due to the higher current density for hydrogen evolution but not due to the reversible potential of the platinum-platinum ion electrode.
The ratio platinum to silver in a bracelet is 5 : 7. If the price of platinum is 1/10th the price of silver, find the cost of the bracelet if the cost of platinum in the bracelet is 24000 rupees.