Q. The pressure drop per unit length for laminar flow of fluid through a long pipe is proportional to (where, A = cross-sectional area of the pipe & D = Diameter of the pipe)

View solution

Q. First empirical temperature scale conceived is the __________ temperature scale.

View solution

Q. In continuous casting of liquid steel, the mould is made of

View solution

Q. Diamond does not conduct electricity, because

View solution

Q. __________ can not be forged.

View solution

Q. Material having maximum density is

View solution

Q. __________ cycle is the most efficient thermodynamic cycle.

View solution

Q. Dew point of air indicates its

View solution

Q. Out of the following, __________ waves have the largest wavelength.

View solution

Q. Pick the odd man out of the following.

View solution

Q. A furnace is made of a refractory brick wall of thickness 0.5 metre and thermal conductivity 0.7 W/m.°K For the same temperature drop and heat loss, this refractory wall can be replaced by a layer of diatomaceous earth of thermal conductivity 0.14 W/m.K and thickness __________ metre.

View solution

Q. Hot working of lead is carried out at

View solution

Q. An engineer's hammer is made of high __________ steel.

View solution

Q. Impeller & casing of centrifugal pump handling corrosive liquid and frequently running under cavitation condition is most prone to __________ corrosion.

View solution

Q. Isotropic materials have the same __________ in all the directions.

View solution

Q. The gases used in the treatment of asthma is a mixture of __________ and oxygen.

View solution

Q. Number of electrons in the outermost orbit of a semi-conductor is

View solution

Q. The condition of diffraction from a crystal is given by

View solution

Q. Galena is an ore of

View solution

Q. A reduction process is accompanied with increase in the

View solution