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 (C.O.P.) of a Carnot heat pump operating between T1 and T2 is given by________?

In case of Venturimeter, friction losses are about ________ percent of maximum velocity head?

Which is not a fissile nuclear material?

Monel alloy is________?

Silicon crystal can be converted to p-type semi-conductor by doping with________?

Gibbs-Duhem equation relates composition in liquid phase and the ________ at constant temperature & pressure?