Mesh indicates the number of holes per________?

Nickel and molybdenum are the basic constituents of________?

Which of the following is the most controlling factor for the rate of bubble detachment from the hot solid surface?

°API gravity of water at N.T.P. is about________?

Heat transfer efficiency leading of energy conservation in a heat exchanger can be achieved by________?

The ‘bomb’ in the bomb calorimeter is made of________?