Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of Portland cement. The component of Portland cement which first hardens is
- Maximum hardenability of steel depends upon its
- Friction factor for fluid flow in pipe does not depend upon the
- Steam condenser tubes are made of admiralty brass, in which percentage of zinc & copper are __________…
- The concentration of (H+) ions is 4 x 10-5 in a solution. Then pH of the solution will be (Given log…
- Iron content in Indian iron ore is about __________ percent.
- __________ is the hardest material out of the following.
- Which of the following is an ore dressing operation?
- Dielectric
- Which of the following materials has the poorest electrical conductivity?
- __________ property of steel increases by addition of large amount of silicon in it.
- Pick out the wrong conversion of absolute & kinematic viscosities.
- Super conduction in metals is observed at a temperature of __________ °K.
- Maximum permissible air velocity in pipelines is about __________ metre/second.
- Young's modulus of a material is the measure of its
- The property of material, by which a given amount of energy is absorbed by it, without plastic deformation,…
- Annealing of white cast iron produces __________ iron.
- The majority charge carriers in p-type silicon are
- Corona discharge is related to the operation of a/an
- High endurance limit of carburised machine parts is because of the fact that carburisation
- The amount of water evaporated in kg per kg of fuel burnt in a boiler is called the __________ of a…
- The most economical channel section for the fluid flow is the one for which the discharge is maximum…
- The ratio of thermal & electrical conductivity is same for all the metals at the same temperature; and…
- The laminar boundary layer thickness in zero pressure gradient flow over a flat plate along the x-direction…
- Gage pressure within a spherical droplet of a fluid is 'p'. What will be gage pressure within a bubble…
- An atom bomb works on the principle of
- Fibrous fracture is normally encountered in the __________ materials.
- The specific gravity of coal depends mainly on its __________ content.
- Though tin occurs lower than iron in the electrochemical series, yet it is coated on steel for corrosion…
- Moist air is cooled along the line of constant __________ , when it is passed over a cold & dry cooling…
- For dynamic strain measurement, the Wheatstone bridge used is of __________ type.