_______________ has a negative co-efficient of linear expansion?

Related Mcqs:

Age hardening is connected with________________?

A. Babbitt metal B. Gun metal C. Stainless steel D. Duralumin...

Function of fusible plug in a boiler is to ______________________?

A. Drain out water and sludge from the boiler during repair B. Put off fire in the furnace when water level in the boiler falls to unsafe limit C. Guard the boiler in case of abnormal rise in steam pressure D. All A, B. & C...

The efficiency of a Carnot heat engine operating between absolute temperatures T1 and T2 (when, T1 > T2) is given by (T1 – T2)/T1. The co-efficient of performance (CO.P.) of a Carnot heat pump operating between T1 and T2 is given by_________________?

A. T1/(T1-T2) B. T2/(T1-T2) C. T1/T2 D. T2/T1...

Removal of non-condensable from steam or other vapour is termed as the ________________ process?

A. Condensation B. Deaeration C. Scavenging D. Exhaust...

Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air (h = 20W/m2 .k), when the insulation thickness is ________________ mm?

A. 15 B. 25 C. 10 D. 30...