Q. Carbon supply in pack carburising process is in the form of

View solution

Q. Water hammer is caused in steam carrying pipelines, because of

View solution

Q. Powder metallurgy is used to produce

View solution

Q. Catalyst used in the catalytic converter employed in automobiles to convert CO into CO and for complete oxidation of un-burnt hydrocarbons is

View solution

Q. For a thermodynamic system undergoing a process, which of the following pairs best expresses the relationship similar to that expressed by the pressure volume plot ?

View solution

Q. The normal stress is the same in all directions at a point in a fluid, only when the fluid

View solution

Q. A 2 kg object weighs 1.8 kgf on a spring balance. The value of 'g' at that location in m/sec² is

View solution

Q. In chemical dehumidification of air

View solution

Q. What is the pH of distilled water ?

View solution

Q. Pick out the correct statement.

View solution

Q. Non-ferrous alloys used for making cutting tools need not have high

View solution

Q. Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts same. Shafts made by __________ have residual stresses.

View solution

Q. Capacity & power requirement for an air compressor working at high altitude compared to sea-level will be

View solution

Q. Glycerene is used as a coolant in cooling of some engines instead of water, because

View solution

Q. Cold working of a material results in increase in hardness, which is termed as the __________ hardening.

View solution

Q. With increase in temperature, the electrical conductivity of a __________ decreases.

View solution

Q. All the atoms of the world comprise of electrons, proton & neutron except that of __________ atom in which neutron is absent.

View solution

Q. Which of the following gases cause global warming ?

View solution

Q. Multistage compression of air as compared to single stage compression offers the advantage of

View solution

Q. Fine grained steels have

View solution