2607Chemical EngineeringMedium
High speed cutting tool steels contain about ________ percent of tungsten?
A30-35
B6-8
C18-20
D50-55
Correct answer
C. 18-20
Explanation
The correct answer is 18-20.
Correct answer
C. 18-20
Explanation
The correct answer is 18-20.
The pyrogallol solution used in Orsat apparatus can absorb________?
Aerobic biological oxidation ponds used for the purification of polluted water________?
Given, 3H2 + CO = CH4 + H2O, KP = 101.84 and, 4H2 + CO2 = CH4 + 2H2O, KP = 101.17 the KP for the reaction CO + H2O = CO2 + H2 is ________?
Cold chisel‟s hammers are made of________?
Which of the following is generally not used as eord for synthetic rubber tyre casing?
A hydraulic press has a ram of 10 cms in diameter and a plunger of 1 cm in diameter. The force required on the plunger to raise a weight of 10 tons on the ram is ________ kg?