Q. __________ method of depreciation calculation ensures that the interest is charged on the cost of machine asset every year on the book value, but the rate of depreciation remains constant every year.

View solution

Q. Main alloying element in Elinvar used in precision instruments, hair springs for watches etc. is

View solution

Q. Color of brass changes from yellow to __________ after its dezincification which exemplifies selective leaching.

View solution

Q. Heat dissipation in cooling towers is mainly by

View solution

Q. In BOF, desiliconisation is a first order reaction. So the silicon content of the metal decreases

View solution

Q. Maraging steels derive their strength from the following mechanism:

View solution

Q. Ceramic compounds as compared to metallic compounds

View solution

Q. Pressure exerted by a liquid depends upon its

View solution

Q. The most detrimental impurity in high pressure boiler feed water is

View solution

Q. Pick out the wrong statement.

View solution

Q. Metal cutting by oxy-acetylene flame is accomplished by the __________ of the metal.

View solution

Q. The material used for coating the welding electrode is termed as the

View solution

Q. In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just like in liquid. Which of the following is an amorphous material ?

View solution

Q. Even though heat transfer co-efficients in boiling liquids is large, use of fins is advantageous, when the entire surface is exposed to __________ boiling.

View solution

Q. In Newton's law of viscosity, which states that the shear stress is proportional to the __________ Co-efficient of viscosity is called dynamic or absolute viscosity(where, V = velocity, Vg = velocity gradient ).

View solution

Q. An atom bomb works on the principle of

View solution

Q. Eutectic reaction for iron-carbon system occurs at a temperature of __________ °C.

View solution

Q. Which of the following is an example of stress corrosion ?

View solution

Q. FeO (s) + CO (g) = Fe (s) + CO₂ (g), k = 0. 435 at 1173E; At equilibrium, what will be the number of moles of CO gas required to reduce one mole of FeO at 1173 K?

View solution

Q. Fibre reinforced plastic (FRP) are

View solution