Q. During sensible heating of humid air

View solution

Q. Photographic plates are coated with

View solution

Q. Hardening of steel is not possible, unless it is heated __________ critical point.

View solution

Q. Isotropic materials have the same __________ in all directions.

View solution

Q. The most important requirement for aluminium industry is the availability of cheap

View solution

Q. Spheriodising of a material is a/an __________ process.

View solution

Q. Iron content in Indian iron ore is about __________ percent.

View solution

Q. The heat treatment to which the steel wire containing > 0.25% carbon is subjected to is

View solution

Q. __________ of hard alloy and tool steel is done to make it easily machinable.

View solution

Q. Which of the following mainly decides the current to be employed is arc welding ?

View solution

Q. Temperature attained in soldering of metals is about __________ °C.

View solution

Q. Dielectric

View solution

Q. Normalising of an object does not

View solution

Q. Plasma is

View solution

Q. The machanism involved in the removal of metal in drilling operation is by

View solution

Q. Thermal conductivity of a material does not depend upon its

View solution

Q. Potable water means the water used for

View solution

Q. One ton of refrigeration is not equivalent to the heat removal rate of

View solution

Q. Starting friction is low in case of the __________ lubrication.

View solution

Q. Ultimate strength in tension as compared to that in shear for steel is

View solution