Q. Wavelength of radiation emitted by a body depends on the __________ of its surface.

View solution

Q. Difference at any instant between the value of the controlled variable and the set point is called the

View solution

Q. The expected efficiency of a single rivetted lap joint is of the order of 50%. If the thickness of the plate is increased four times, then the rivet diameter will have to be increased __________ times.

View solution

Q. Nickel and __________ are the alloying element added in steel to increase its toughness.

View solution

Q. Which of the following equipments is used for liquid dispersion ?

View solution

Q. Eutectoid composition of carbon steel at room temperature is

View solution

Q. Out of the following, which will fracture most readity, when hit with a hard hammer ?

View solution

Q. A pycnometer is used for the measurement of

View solution

Q. For infinite parallel planes having emis-sivities ε₁ & ε₂, the interchange factor for radiation from surface 1 to surface 2 is given by

View solution

Q. Working of linear variable differential transducer (LVDT) is based on the principle of variable

View solution

Q. A highly elastic material is deformed least on loading and retains its original form on removal of the load. Which of the following is the most elastic material?

View solution

Q. Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses iron ore in the form of

View solution

Q. Corrosion is

View solution

Q. Which of the following is not an ore of copper?

View solution

Q. Maximum permissible sulphur content in steel is __________ percent.

View solution

Q. The dimensional formula of bulk modulus of elasticity is same as that of the

View solution

Q. Ferromagnetic material owe their properties to __________ inner sub-shells.

View solution

Q. Which of the following metals is the most prone to work hardening?

View solution

Q. 'Amortization' in respect of financial obligation of a company means the

View solution