Commercial production of calcium carbide requires limestone and ________ as raw materials?
Correct answer
B. Sand
Explanation
The correct answer is Sand.
Correct answer
B. Sand
Explanation
The correct answer is Sand.
Which of the following is a boiler accessory i.e., not a boiler mounting?
The calorific value of ‘LPG’ (50% propane + 50% butane) is about ________ kcal/Nm3?
With a constant diameter impeller of a centrifugal pump ________?
What is the order of a chemical reaction whose rate is deter-mined by the variation of one concentration term only?
Heat of neutralisation of HCl and NaOH is – 57.46 kJ/Kg mole. The heat of ionisation of water will be ________ kJ/Kg mole?
The centre to centre distance between two consecutive baffles in a shell and tube heat exchanger is called the baffle pitch or baffle spacing, which is more than 1/5th the I.D. of the shell. Which of the following is not a function of the baffles?