1. A metal block 2.5 ft square and 1.5 ft deep remains submerged on a body of liquid which consists of a 12-in layer of water above a 10-in layer of mercury. The block of metal weighs 120 lb/ft3. What is the distance (measured from the bottom) of the block within the mercury (s=13.6)?

The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite

Ahouse has the following electrical appliance usage (1) single 40w lamp used for 4 hours per day (2) single 60w fan used for 12 hours per day (3) single 200w refrigerator that runs 24 hours per day with compressor run 12 hours and off 12 hours find the solar power inverter size in watt with correction factor of 1.25.

The mass flow rate of the fluid remains constant in all steady flow process. a)- true b)- false