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Chemical Engineering — Test 19

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Question 1
The following thermocouple may be used for measuring temperature upto 1873°K__________________?
Question 2
Projection welding & stud welding is categorised as the _______________ welding?
Question 3
Isotropic materials have the same _______________________ in all directions?
Question 4
Main constituent of bone ash is____________________?
Question 5
Which of the following mainly decides the current to be employed is arc welding ?
Question 6
Half life of a radioactive isotope corresponds to the time required for half of the _______________ to decay ?
Question 7
Nusselt number is related to the Reynolds number (Re) in turbulent & laminar flow respectively as______________________?
Question 8
What is the pH of distilled water ?
Question 9
Diameter of the rivet to be provided on a 20 mm. thick boiler plate will be ______________ mm?
Question 10
Hot extrusion of aluminium is done in the temperature range of ________________ °C ?