Q. Which of the following has the least carbon percentage ?

View solution

Q. __________ is never shipped in glass carboys.

View solution

Q. Lead is

View solution

Q. Nitriding of steel is done (in electric furnace) at __________ °C.

View solution

Q. Addition of 2% nickel in steel makes it suitable for making

View solution

Q. The softest material just next to talc in the Mhos scale is

View solution

Q. Babbit metals used for making bearings are

View solution

Q. Pipes for bi-cycle frames are made of __________ steel.

View solution

Q. Which of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C ?

View solution

Q. Interchain forces are the weakest in case of

View solution

Q. __________ possesses viscoelastic properties.

View solution

Q. Copper is dissolved from its ore by H₂SO₄ in a percolation tank made of

View solution

Q. Bearings subjected to light load are made of

View solution

Q. Straight silicon steel (containing Si from 0.5 to 5%) because of their low hysterisis loss and high magnetic permeability are used for electrical appliances. Which of the following electrical appliances made of silicon steel contains maximum percentage of silicon (about 4%) ?

View solution

Q. __________ does not contain tin as an alloying material.

View solution

Q. A metallic alloy in general as compared to their pure metal components is

View solution

Q. Pick out the wrong statement.

View solution

Q. Ball bearings are normally made of __________ steel.

View solution

Q. The electrical conductivity of a __________ decreases with rise in temperature.

View solution

Q. Which one occupies the lowermost position in the electromotive series of metals ?

View solution