Q. No cutting fluid is normally used, while machining

View solution

Q. An orthotropic material is a special class of anisotropic material, which is described by their properties in three perpendicular directions. An example of orthotropic material is

View solution

Q. pH value of rain water in India ranges from

View solution

Q. The capital & running costs of similar machines having unequal service life can be compared by the __________ method.

View solution

Q. Pick the odd man out.

View solution

Q. The speed of sound will be maximum in

View solution

Q. In case of water (Prandtl number ≈ 6) flowing over a flat plate heated over the entire length, the thermal boundary layer thickness as compared to hydrodynamic boundary layer thickness is

View solution

Q. __________ number is sometimes used in place of Grashoff number in free convection heat transfer.

View solution

Q. Wrought iron does not have the

View solution

Q. Hoope's cell is predominantly used for the electrolytic refining of

View solution

Q. Lead percentage in pure galena is about

View solution

Q. Pick out the wrong statement.

View solution

Q. The life of a ball bearing is inversely proportional to

View solution

Q. Pick out the wrong statement.

View solution

Q. Nitriding of steel is a process for

View solution

Q. The maximum percentage of chromium that can be added to steel is about

View solution

Q. Holes in a plate for rivetted joints is preferably made by

View solution

Q. The temperature at which a gas, when subjected to Joule-Thomson expansion, neither cools or heats up, is termed as the __________ temperature. Above this temperature the gas heats up on throttling and below this the gas cools down.

View solution

Q. Source of heat supply in a cupola is

View solution

Q. The term 'Value' in value engineering technique refers to the __________ cost of the product.

View solution