Q. The dew point of moist air becomes __________ with decrease in its relative humidity.

View solution

Q. Heating of ferromagnetic materials to a temperature above Curie temperature makes it

View solution

Q. Lap joints are preferred over butt joints in soldering/brazing, because these joints are

View solution

Q. Colour comparator is used to measure the

View solution

Q. Pick out the wrong statement.

View solution

Q. The refractory lining of the bottom in a basic electric arc furnace is made of

View solution

Q. Alcohols are not suitable as diesel engine fuel because the cetane number of alcohols is

View solution

Q. Matte smelting is used in the extraction of

View solution

Q. Percentage of differential pressure lost in a venturimeter with a tapering of 15° may be about

View solution

Q. Compressed dry air is used as the cutting fluid, while machining

View solution

Q. Which of the following materials has the least scrap value ?

View solution

Q. Force between the molecules of the same substance is called __________ force.

View solution

Q. Stresses encountered in the metal forming processes are less than the __________ of the material.

View solution

Q. Which of the following is not a ferromagnetic material ?

View solution

Q. Rain drops falling through atmospheric air attain limited terminal velocity, because of

View solution

Q. Pick out the wrong statement.

View solution

Q. Shampoos are commercially not available in the form of

View solution

Q. A gas which is collected over water becomes moistened due to water vapor, exerts its own partial pressure at the gas temperature, which is termed as its

View solution

Q. Carbon is present in the form of __________ in grey cast iron.

View solution

Q. In "Imperial Smelting Process" for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following :

View solution