Shaft/rotor speed is most accurately measured by a_________________?
Factor of safety is the ratio of the ___________________ stress to the working stress?
The escape velocity of a body on earth which is independent of its mass is about ______________________ km/second?
Magnetic permeability of iron is increased by its_____________________?
The main reducing agent in iron blast furnace is____________________?
Broaching tools are usually made of____________________?
Temper brittleness of a material can be fairly detected by the ________________ test ?
There are one octahedral void and ______________ tetrahedral void in the closest packing of atoms ?
Which of the following is the most suitable material of construction for the condenser tubes, where the cooling medium is brine (salty water) ?
Addition of small amount of ________________ to grey cast iron is done to produce nodular grey cast iron ?
