If A = {4n -3n -1: n ? N} and B = {9(n-1): n ? N}, then we have
A). B A
B). A B
C). A? B = ?
D). none of these
2. __________ pumps are a group of vacuum pumps.
4. Fluid flow in a/an __________ is an example of pressure flow.
5. The discharge through a semi-circular weir varies as (where, H = Head of liquid.)
6. A supercritical boiler is one that operates above the pressure and temperature of following values
7. Thermal equilibrium means that the flow of steam is
8. Steam in water tube boiler as compared to fire tube boiler