Q. Strain hardening effect in a metal subjected to cold working is due to the __________ mechanism.

View solution

Q. A common disinfectant used in village wells for disinfection of water is

View solution

Q. Which of the following is an unconventional source of energy ?

View solution

Q. The product (s) of roasting of a sulphide ore is (are)

View solution

Q. Which of the following are considered applications of ultrasonic testing ?

View solution

Q. Suitability of steel for its use in cable is judged by its strength in

View solution

Q. Hydrogen in liquid steels is dissolved

View solution

Q. Moist air is cooled along the line of constant __________ , when it is passed over a cold & dry cooling coil, such that no condensation occurs?

View solution

Q. Which of the following metals can not be hot worked at room temperature ?

View solution

Q. Primary designation of steel is based on its

View solution

Q. Steel containing low percentage of nickel, chromium & tungsten are termed as the __________ steel.

View solution

Q. Superheating of steam is done at constant

View solution

Q. Dry saturated steam can be converted into superheated steam by

View solution

Q. Pick out the wrong statement.

View solution

Q. Increasing sulphur content in pig iron tends to make it

View solution

Q. Oxyacetylene reducing flame is used while carrying out welding on

View solution

Q. M₁₀ index of coke indicates its

View solution

Q. Baffles provided on the shell side of a shell and tube heat exchanger are meant for

View solution

Q. When an isolated thermodynamic system executes a process,

View solution

Q. Brittleness induced due to the presence of sulphur in steel can be reduced by adding

View solution