QUIZ ON FITTER TRADE 2ND YEAR

" CYNIDING AND NITRIDING ARE TWO METHODS OF________

• HARDENING

• CASE HARDENING

• TEMPERING

• NORMALISING

THE EXTERNAL SURFACE OF THE PART MADE OF MILD STEEL CAN BE HARDENED BY_______

• TEMPERING

• NORMALISING

• CASE HARDENING

• HARDENING

THE PROCESS OF HEATING STEEL ABOUT 4O DEGREE CELSIUS ABOVE THE UPPER CRITICAL TEMPERATURE AND COOLING IT IN STILL AIR TO ROOM TEMPERATURE IS KNOWN AS____________

• HARDENING

• ANNEALING

• NORMALISING

• TEMPERING

IN A HEAT TREATMENT , QUENCHING IS A PROCESS OF________

• SLOWLY COOLING THE METAL IN THE FURNACE

• RAPIDLY COOLING THE METAL IN WATER OR IN OIL

• HEATING THE METAL TO A HIGH TEMPERATURE

• ALLOWING THE METAL TO COOL IN STILL AIR

CLEARANCE BETWEEN MATING PARTS IS MEASURED BY___________

• DIAL GAUGE

• " GO "GAUGE

• FEELER GAUGE

• CALIPER GAUGE

THE LEAST COUNT OF A VERNIER MICROMETER IS_______

THE INSTRUMENT/ DEVICE IS USE FOR CHECKING THE EXTERNAL DIAMETER OF ANY JOB/ WORKPIECE BY QUICK MEANS IS CALLED_____

WHICH TYPE OF A FIXTUREIS USED TO HOLD A WORKPIECE IN ALTHE DURING TURNING OPERATIONS?

UP TO WHICH ANGLE SINEBARS CAN MEASURE THE ANGLES?

HOW MANY GRADES OF TOLERANCES ARE THERE IS B.I.S SYSTEM IN LIMIT, FITS , TOLERANCES