Correct answer
D. 90
Explanation
The correct answer is 90.
The most unsuitable reactor for carrying out reactions in which high reactant concentration favours high yields is________?
While starting a centrifugal pump, its delivery valve should be kept________?
Because of its very high refractoriness of the order of ________ °C, silicon carbide refractories are used in zinc smelting furnace, muffle furnace and for supporting the wares in tunnel kilns?
Which of the following paper does not require a filler during manufacture?
Permanent pressure loss in a well designed Venturimeter is about ________ percent of the venturi differential?
Holes of a sieve tray are arranged in triangular pitch of ________ times the hole diameter?