Chemical Engineering — Test 4

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Question 1

Out of the following, the alloy which has equal percentage of constituents, is__________________?

Question 2

The _________________ of a double acting reciprocating pump as compared to the single acting pump will be almost double ?

Question 3

Which of the following is an example of cathodic protection of metals against corrosion ?

Question 4

Propulsion of rocket follows from the_________________?

Question 5

With increase in ___________________ Knocking tendency in a spark ignition petrol engine decreases?

Question 6

A psychrometer does not measure the __________________ temperature of moist air?

Question 7

An atom bomb works on the principle of __________________?

Question 8

Neutrons are present in all atoms except that of ___________________?

Question 9

Principal alloying element in Elinvar (used for making hair springs for watches) is__________________?

Question 10

Between 230 and 370°C, blue brittleness is caused in mild steel because of the_________________?