Q. Ammonia gas can be dried by

View solution

Q. Consumable electrodes are used in the __________ welding.

View solution

Q. Magnesium is present in

View solution

Q. The passage between the nozzle and the __________ is called 'sprue' in case of injection moulding.

View solution

Q. Chalcopyrite is an ore of

View solution

Q. The following is employed as sacrificial anode to provide cathodic protection to ships, pipelines and storage tanks.

View solution

Q. Heat transfer by __________ is almost absent in case of fluidised bed drying operation.

View solution

Q. Increasing the carbon content of steel

View solution

Q. Pick out the wrong statement.

View solution

Q. More than 95% of __________ is present in corrundum.

View solution

Q. Blow off cock is provided in steam boiler to

View solution

Q. Work hardening of a material

View solution

Q. Blasting of tri-nitro-toluene (TNT) is done by mixing it with ammonium

View solution

Q. Tin plated iron and galvanised iron are generally produced by

View solution

Q. In a drilling process, the metal is removed by both shearing & extrusion. General purpose drills are made of

View solution

Q. Dezincification is a form of corrosion espe-cially applicable to

View solution

Q. Which of the following materials is not suitable as a die material for wire drawing?

View solution

Q. By X-ray diffraction, it is not possible to determine the

View solution

Q. In continuous casting process, graphite moulds are used with a view to providing

View solution

Q. Energy required to compress a hot gas as compared to cold gas will be

View solution