Q. Sand used to stop the green sand from sticking to the pattern is termed as the __________ sand.

View solution

Q. Brazing filler metal used for joining steel plates

View solution

Q. Fine grain size in metallic material will

View solution

Q. Pick out the correct statement

View solution

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