Q. Out of the following __________ iron has the best capability to bear sudden & excessive shocks.

View solution

Q. A fluid is termed as the Newtonion fluid, when the shear stress is __________ the velocity gradient.

View solution

Q. Transition from laminar flow to turbulent flow in fluid flow through a pipe does not depend upon the

View solution

Q. When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature & dryness fraction respectively

View solution

Q. Limestone addition in the blast furnace is done to flux __________ present in the raw materials.

View solution

Q. The 'transition temperature' for ductile to brittle behaviour of steel increases with increase in the __________ content in steel.

View solution

Q. The burnout heat flux in the nucleate boiling regime is not a function of the

View solution

Q. The approximate height of a blast furnace having a useful volume of 2000 m³ is about __________ metres

View solution

Q. The cathode in an electrochemical cell always carries

View solution

Q. An oxidation process is accompanied with decrease in the

View solution

Q. Hot dipping process is used for coating a low melting point metal (e.g. Pb, Sn, Zn) on iron, steel & copper having relatively higher melting points. Which of the following is not a hot dipping process ?

View solution

Q. Nusselt number/Biot number varies

View solution

Q. Out of the following, maximum temperature drop for a given heat flow & for the same thickness will be in the case of

View solution

Q. Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type

View solution

Q. Rockwell number represents the

View solution

Q. Which of the following fastening devices has its both ends threaded ?

View solution

Q. Duralumin is an alloy of aluminium and copper. Percentage of copper in duralumin is

View solution

Q. Copper is not present as an alloying constituent in

View solution

Q. Lead is added to 60:40 brass primarily to improve

View solution

Q. Air intake for an air compressor should be preferably taken from

View solution