Author name: Admin

A. Suppress martensite transformation

B. Enhance its working performance in sub zero atmosphere

C. Reduce the retained austenite in hardened steel

D. Induce temper brittleness after its hardening

A. Increases

B. Decreases

C. Remain constant

D. Either A or B, depends on the type of semi-conductor

A. Arc welding

B. Gas welding

C. Thermit welding

D. Resistance welding

A. Throttle down the steam pressure

B. Enhance feed water temperature

C. Remove dissolved gases from feed-water

D. Remove non-condensable gases from condenser

A. Ductile material

B. Hard materials

C. Brittle materials

D. Finishing cuts

A. Asbestos cement

B. Stainiess steel

C. Stoneware

D. Cast iron

A. Copper

B. Aluminium

C. Rubber

D. Nickel

A. More

B. Less

C. Equal

D. Much more

A. Compact & rugged construction with an accuracy of 0.1 to 1%

B. No moving parts and incurs negligible deflection under load

C. Provision of thermal compensation and is hermetically sealed

D. All of the above

A. Immobility of dislocation

B. Strain-ageing

C. Increase in Young’s modulus

D. Strain hardening