Materials and Construction Silicon percentage in iron castings to have maximum hardness should be about 0.8 0.3 0.5 2.5 0.8 0.3 0.5 2.5 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Rubber lined vessels are corroded by the action of Aqua regia Sulphuric acid (95%) All of these Chloroform Aqua regia Sulphuric acid (95%) All of these Chloroform ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A steel alloy containing 36% nickel is called __________ , which has a zero co- efficient of expansion. Austenitic stainless steel Invar High speed steel Heat resisting steel Austenitic stainless steel Invar High speed steel Heat resisting steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Thermometer bulb & capillary in case of mercury filled pressure spring expansion thermometer is normally made of __________ as mercury does not amalgamate with it. Monel Stainless steel Copper alloys Copper Monel Stainless steel Copper alloys Copper ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Plastics are Non-biodegradable Used in very high temperature applications All of these Not suitable for drainage pipe manufacture Non-biodegradable Used in very high temperature applications All of these Not suitable for drainage pipe manufacture ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Steel balls for ball bearings are generally made of __________ steel. Cast Free carbon Stainless Carbon chrome Cast Free carbon Stainless Carbon chrome ANSWER DOWNLOAD EXAMIANS APP